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Brake Pedal Switch Circuit Indicates that the brake input rationality test for brake pedal position (BPP) and brake pressure applied (BPA) switches has failed. Vacuum Leaks EVAP Control System Canister Vent Solenoid Circuit Malfunction During KOEO and KOER Self-Test, the LFC/FC circuit will be cycled on and off. CSE GND shorted to VPWR Failed EVAP system Exhaust leaks before or near the HO2Ss. The test fails when the average voltage to the PCM drops to a voltage less than the minimum calibrated value. Knock sensor circuit short to GND Damaged PCM Damaged IAC valve Damaged PCM Over-heating condition. Check wiring and connector for damage. The DTC is set when the rpm or speed fall out of calibrated range. TP circuit open to PCM Locked fuel pump rotor An intermittent open circuit, although possible, is unlikely Low or no fuel Short to VPWR in harness or HO2S. Knock sensor (KS) failure or knock detected HO2S Sensor Circuit Malfunction (HO2S-11) During testing the HO2S Heaters are checked for opens/shorts and excessive current draw. Damaged PCM VPWR open to EGRVR solenoid Damaged PCM ... Also having this problem on 2008 tdci ford fiesta van. Verify the TCS switch cycles ON/OFF, 4x4L Switch Out of Self-Test Range The 4x4L switch is an ON/OFF. The test fails when the signal average jumps above a minimum allowable calibrated parameter. Open circuit between PCM and relay Coil driver circuit shorted to PWR. how to reset the #powertrain waning light. Open B+ circuit to the fuel pump relay Tire/Axle Ratio Out Of Acceptable Range This Diagnostic Trouble Code (DTC) indicates the tire and axle information contained in Vehicle ID block (VID) does not match vehicle hardware. EGR sensor Short to PWR in TCSS harness circuit. Verify VREF voltage between 4.0 and 6.0V. EVAP canister purge valve circuit open Engine Coolant Temperature (ECT) Circuit Low Input Indicates the sensor signal is less than Self-Test minimum. For lean and rich DTCs: Contamination internal to FTP sensor connector Verify operation of charging system. A short to power can only be detected when the PCM is grounding the circuit The test fails when fuel control system no longer detects switching for a calibrated amount of time. Supercharger (Boost) Bypass Solenoid Circuit Malfunction The PCM monitors the supercharger (boost) bypass (SCB) solenoid circuit for an electrical failure. Note on some vehicles that are not equipped with an ECT sensor, CHT can be used and can set this DTC. Fuel pump electrically open Wiring insulation wear EVAP canister purge valve stuck open Pump motor open circuited Damaged EFT sensor. This noise distorts the input to the PCM. IMRC monitor circuit open Engine cooling system concerns However there are external items that can cause this DTC. Fuel Pump Secondary Circuit Malfunction See DTC P1237. VREF short to PWR Check routing of harness. CHT V PID reading greater than 4.6 volts with key ON and engine OFF or during any engine operating mode indicates a hard fault. Improper harness connection. Power Steering Pressure (PSP) Switch Signal Malfunction The PCM counts the number of times vehicle speed transitions from 0 to a calibratable speed. Problem added: Feb 3, 2015 (5 years ago) power train warning light flashing car has lost power. CHT V PID reading greater than 4.6 volts with key ON and engine OFF or during any engine operating mode indicates a hard fault. Damaged FRP sensor For 4.6L Mustang, open FP PWR circuit from low speed fuel pump relay, through resistor to FPM splice (engine will start) When depressing the CPP switch the voltage should cycle from 5.0V down. Fuel separation All modern vehicles including the Ford EcoSport have sensors placed all around the car. Damaged BPP switch VREF open in harness. After-market EVAP hardware (such as fuel filler cap) non-conforming to required specifications VCT solenoid valve stuck closed GLI circuit open or short Verify ignition and charging system are functioning correctly. Incorrect VID configuration parameters Damaged IMRC actuator Using the scan tool, view the tire and axle parameters within the VID. Reverse Switch (RS) input circuit malfunction The DTC indicates that the voltage is high when it should be low. Throttle Position (TP) Circuit High Input The TP sensor circuit is monitored by the PCM for a high TP rotation angle (or voltage) input through the comprehensive component monitor (CCM). Open coil driver circuit in harness Contaminated or damaged sensor. Sensor signal short to power Plugged fuel filter, Fuel Delivery System - High The PCM receives fuel tank pressure (FTP) information from the natural gas module (NG), which uses the information to infer fuel rail pressure (FRP). VREF voltage should be between 4.0 and 6.0 volts. Damaged voltage regulator/generator Damaged BPA switch EGRVR circuit shorted to ground If no OSS DTCs are found check for correct PCM configuration. The test fails if: When the PCM grounds the WAC circuit, excessive current draw is detected on the WAC circuit; or with the WAC circuit not grounded by the PCM, voltage is not detected on the WAC circuit (the PCM expects to detect VPWR voltage coming through the WAC relay coil to the WAC circuit). Ford Fiesta Owner's Manual 361 pages. Once beyond an acceptable limit the DTC is set. See Possible Causes for DTC P1130, Lack of HO2S-12 Switch, Sensor Indicates Lean The downstream HO2S sensors are forced rich and lean and monitored by the PCM. When your car starts throwing some worrying signs at you from the dashboard, perhaps it’s time to act. The malfunction light and powertrain light (spanner) may illuminate due to many reasons and may include engine, exhaust system, transmission, drive shaft, suspension, wheels, glow plugs (if diesel) and catalytic converter. Open circuit between relay and pump HCF circuit open However there are external items that can cause this DTC. This will temporarily prohibit high engine speed operation by disabling injectors, therefore reducing the risk of engine damage from high engine oil temperature. PCM damaged. Damaged IAC valve Damaged PCM Diagnostic information will be sent through SCP. If an intermittent condition is suspected the most effective methoid of wiring fault isolation is to use the wiggle test methoid while measuring for shorts and open circuits. Damaged PCM. If the sensor is thought to be switching from 0 volts to -1 volts during testing, the PCM will use this input and remain in fuel control. FLI shorted to VPWR Vacuum leaks Cylinder misfiring This page has been accessed 317,849 times. If lights illuminate whilst driving, or stay on after it has started, it indicates a malfunction in the engine. VID data corrupted by the scan tool during VID reprogramming PCV system Cylinder Head Temperature (CHT) Sensor Circuit Out of Self-Test Range Indicates the CHT sensor is out of Self-Test range. Open or short to PWR in harness. Damaged PCM Typical vehicle symptoms are: Start/Stall or Crank/No Start. Damaged, cross-threaded or loosely installed fuel filler cap VREF circuit open Stuck EGR valve. For voltage to air flow gm/sec conversion, GO to Pinpoint Test DC and refer to Voltage To Mass Air Flow Conversion Table. Damaged medium speed FC relay Fuel Pump Secondary Circuit Malfunction Note: For LS6/LS8, the FPDM functions are incorporated in the rear electronics module (REM). The warning light that comes on the display when your front fog lights … Knock Sensor 2 Circuit Range/performance (Bank 2) The knock sensor detects vibration upon increase and decrease in engine rpm. The IAT2 sensor minimum is 0.2 volts. A FRP PID value below 551 kpa (80 psi) indicates a failure Fuel injectors Engine Oil Temperature (EOT) Sensor Out of Self-Test Range Indicates EOT signal was out of Self-Test range. VREF circuit open or shorted Power Steering Pressure (PSP) Sensor Circuit Malfunction The PSP sensor input signal to the PCM is continuously monitored.The test fails when the signal is open or shorted to ground. Damaged CPP switch Poor continuity through the MAF sensor connectors EOT V PID reading less than 0.2 volts with key ON and engine OFF or during any engine operating mode indicates a hard fault short to ground. Refer to diagnostic aids for P0500. Intake Air Temperature 2 Circuit High Input Indicates the sensor signal is greater than Self-Test maximum. A Diagnostic check showed no fault codes, I used an Elm 327 type device to USB with Easy OBD software. Cold engine ford fiesta zetec tdci 57reg The powertrain light comes on and you loose power and the car will not restart for about 15mins then it is okay for while then it repeats again Submitted: 8 years ago. A FRP PID value during KOER of 138 kpa (20 psi) and 413 kpa (60 psi) for gasoline or 586 kpa (85 psi) and 725 kpa (105 psi) for natural gas vehicles (NG) is acceptable. Damaged sensor Lack of HO2S-11 Switch, Fuel Trim at Limit The HEGO Sensor is monitored for switching. If during key ON engine running the air flow (or voltage) changes below a minimum calibrated limit, the test fails. If the engine rpm is above the torque converter stall speed (automatic transmission) and engine load is high, it can be inferred that the vehicle must be moving. Water in harness connector If the fault is no longer detected, the PCM will return to sending an "all OK" (50% duty cycle) message to the PCM. ECT, MAF, and CKP sensors Faulty fuel injector driver within the PCM. The test fails and the DTC is output when the measured EGR flow falls above or below the required calibration . Open circuit in harness from PCM to EEGR CPP circuit short to PWR When the WACF PID reads YES, a fault is currently present The test fails when the fuel pressure falls below a calibrated value. Indicates that the FPDM has detected an invalid or missing FP circuit signal from the PCM. For vacuum systems see Diagnostic Aids for P0401. Evaporative emission system Fiesta is a global project, being manufactured and marketed in several places in the world. Damaged harness connector Engine not operating long enough prior to performing KOER self-test. Low Fan Control (LFC) Primary Circuit Failure Monitors the low fan control (LFC) (fan control [FC] for one speed fan application) primary circuit output from the PCM. Damaged OSS sensor, or not installed properly Engine will idle rough, hard starting and may stall. Retarded spark timing Misfire Detection Monitor The misfire detection monitor is designed to monitor engine misfire and identify the specific cylinder in which the misfire has occurred. Check obstructions in the EVAP canister purge valve diaphragm and ports. If during key ON engine running self-test the comparison of the TP sensor and MAF sensor readings are not consistent with calibrated load values, the test fails and a diagnostic trouble code is stored in continuous memory. Engine Coolant Temperature (ECT) Sensor Out of Self-Test Range Indicates the ECT sensor is out of Self-Test range. This DTC is set when the PCM detects a sudden loss of vehicle speed signal over a period of time. No signal from Output Shaft Speed sensor The output shaft speed sensor failed to provide a signal to the PCM upon initial movement of vehicle. Vehicle is safe to drive though diagnostic equipment is required from a technician … Rerun Self-Test following QT1 in Section 3 , Symptom Charts, STEP 1: PCM Quick Test. The HCF solenoid is integrated in the HCF pump which looks like a power steering pump. Damaged PCM The test fails when the fuel injector does not operate electrically even though the harness assembly and fuel injectors test satisfactorily. Intermittent open or short inside the MAF sensor. Damaged PCM Engine Coolant Over-Temperature Condition Indicates an engine overheat condition was detected by the cylinder head temperature (CHT) sensor. Open VPWR circuit to WAC relay Vehicle ID Block Not Programed Or Is Corrupt This diagnostic trouble code (DTC) indicates that the vehicle ID (VID) block is not programed or the information within is corrupt. They must match vehicle hardware. Fuel filler cap not installed on refueling (storing continuous memory DTC) and "check Fuel Cap" light may also be illuminated. Vehicle speed data is received from either the vehicle speed sensor (VSS), transfer case speed sensor (TCSS), anti-lock brake system (ABS) control module, generic electronic module (GEM), or central timer module (CTM). The PCM will keep P1237 stored in Continuous Memory. VREF open or shorted. Restricted EVAP canister Misadjusted Brake Switch The test fails when the average voltage to the PCM goes to a voltage greater than the maximum calibrated value. Low Speed Fuel Pump Primary Circuit Malfunction The PCM monitors the low speed fuel pump (LFP) primary circuit output from the PCM. The IAT2 sensor maximum is 4.6 volts. Open or short in harness. Currently, it is in its seventh generation. Downstream HO2S wires improperly connected Damaged electronic shift module Knock Sensor 2 Circuit Malfunction (Bank 2) See DTC P0331. Damaged exhaust system pipe Damaged coil Knock sensor circuit open Crossed HO2S wiring at the harness connectors (downstream). Low ambient temperature operation. Oil contamination Damaged PCM Misadjusted brake switch Andy September 2012: Need to mend your Ford Fiesta car? All of the following sensors input data to the PCM for proper operation of the EEGR system: ECT, CPS, IAT, MAF, TP, MAP. Damaged CHT sensor EGR sensor hoses reversed PSP sensor damaged Camshaft advance mechanism binding (VCT unit) If voltage were to exceed a calibrated limit and a calibrated amount of time during testing, the test will fail. Check the PCM for Output Shaft Speed Sensor (OSS) DTCs. rpm out of specification. Diagnostics and repair for the VCT unit are located in the Workshop Manual. HO2S Sensor Circuit Out of Range Low Voltage (HO2S-21) See DTC P0131, HO2S Sensor Circuit Slow Response (HO2S-21) See DTC P0133, HO2S Sensor Circuit Malfunction (HO2S-21) See DTC P0135, HO2S Sensor Circuit Malfunction (HO2S-22) See DTC P0136, HO2S Sensor Circuit Malfunction (HO2S-22) See DTC P0135. Damaged PCM Sounds to me as the alternator could be starting to fail, I'm afraid. The test fails when current draw exceeds a calibrated limit and/or an open or short is detected. The test fails when the adaptive fuel tables reach a rich calibrated limit. Damaged sensor Damaged EFT sensor. Damaged TCS switch If during key ON engine OFF the air flow voltage signal is greater than 0.27 volts the test fails. Air inlet is plugged The test fails if the PCM commands the fuel pump ON and B+ voltage is not detected on the FPM circuit. Improper harness connection VREF open in PCM. CMP misinstalled (Hall effect sensor) May cause Lack/Loss of Power or Surge customer concern. KOER Not Able To Complete, KOER Aborted This Non-MIL (Malfunction Indicator Lamp) code will be set when Key On Engine Running (KOER) Self-Test does not complete in the time intended. Engine cooling system concerns. Loose battery connection The test fails when the EGRVR circuit voltage is either too high or too low when compared to the expected voltage range. The PCM monitors the fuel pump monitor (FPM) circuit. Excessive resistance in circuit, Fuel Delivery System - Low The PCM receives fuel tank pressure (FTP) information from the natural gas module (NG), which uses the information to infer fuel rail pressure (FRP). Coolant System Concern Leaking fuel pressure regulator The complete quide to ford dashboard warning lights; The warning lamps in the instrument panel of all ford vehicles are indicated on the display. Damaged AIR pump Damaged PCM The test fails when the desired rpm could not be reached or controlled during the self-test. Damaged sensor Base engine concerns. TP circuit short to PWR Open GND circuit. Using an enhanced scan tool, reprogram the PCM to the most recent calibration available. (Rear Electronic Module [REM] Windstar and LS6/LS8 or Lighting Control Module (LCM) Continental and Town Car. Open or shorted FP PWR circuit Note: DTC P0118 may also be reported when this DTC is set, either of these DTC's will activate the MIL light. Excessive resistance in circuit Inertia fuel shutoff (IFS) switch needs to be reset Stuck EGR valve One or both inputs to the PCM did not change when it was expected to. Refer to possible causes for P0500 Refer to diagnostic aides for P0500. If you need parts to do the job head over to Euro Car Parts to find the parts you need. Very Small Or No Purge Flow Condition A fuel tank pressure change greater than a minus (-) 7 inches of H 2 O in 30 seconds has occurred with purge (fuel vapor) flow less than 0.02 pounds per minute. After market add-on The test fails when the adaptive fuel tables reach a lean calibrated limit. Damaged PCM Fuel pressure Test lamp always on - SCB signal short in harness or PCM. AIR bypass solenoid leak/blocked For vacuum activated systems see Possible Causes for DTC P0401.For electric motor system see Possible Causes DTC P0400. SIG RTN circuit open The MAF sensor circuit is monitored by the PCM for high air flow (or voltage) input through the comprehensive component monitor (CCM). The DTC indicates the PSP sensor circuit is open or shorted to ground. Engine Coolant Temperature (ECT) or Cylinder Head Temperature (CHT) sensor High Fan Control (HFC) Primary Circuit Failure Monitors the high fan control (HFC) primary circuit output from the PCM. A short to power can only be detected with the low speed fuel pump commanded on. Contaminated fuel vapor elbow on EVAP canister For Electric EGR, use the output state control function of the scan tool and monitor the MAP PID (MAP) and the EEGR PID (EGRMDSD) while commanding the EEGR on. Open or short in BPA circuit Damaged PCM Engine coolant temperature exceeds a calibrated value, typically 225F (107C). Engine Coolant Temperature (ECT) Circuit High Input Indicates the sensor signal is greater than Self-Test maximum. Damaged FPDM MAF sensor contamination ==P1381== DTC is a check of the VCT unit. All Others: Damaged PCM Damaged PCM Reprogram VID block (use as built data). PSP sensor damaged Cam timing improperly set Power Steering Pressure (PSP) Switch Malfunction In Key On, Engine Off Self-Test, this DTC indicates the PSP input to the PCM is high. PWR GND open to MAF sensor Damaged PCM Wiring damaged Intake Air Temperature (IAT) Circuit Low Input Indicates the sensor signal is less than Self-Test minimum. Low engine coolant CMP GND open (Hall effect sensor) Engine should be at operating temperature before running self-test. Open circuit in CHT harness Severely restricted fuel filter. Crossed HO2S harness connectors (downstream). Very small holes or cuts in fuel vapor hoses/tubes. EEGR Electric Motor Windings Or Circuits To The PCM Shorted Or Open The EEGR system is continously monitored to check the 4 EEGR motor coils, circuits, and the PCM for opens, shorts to power and ground. Damaged PCM Malfunctioning ECT IAC circuit short to PWR Damaged IMRC actuator The IAT sensor minimum is 0.2 volts or 121°C (250°F). This DTC is set the same way as P0500. The test fails when the camshaft timing exceeds a maximum calibrated value or remains in an advanced position. Monitor IAT on scan tool, look for sudden changes in reading when harness is wiggled or sensor is tapped. Idle Air Control (IAC) Underspeed Error This DTC is set when the PCM detects engine idle speed that is less than the desired rpm. See Possible Causes for DTC P1130, Lack of HO2S-11 Switch, Sensor Indicates Rich A HEGO sensor indicating rich at the end of a test is trying to correct for an over-lean condition. Correct range is 0.3 to 3.7 volts. Low fuel pressure. Improper harness connection The EGR system is commanded ON at a fixed engine speed. Look for signs of water or icing in hose Damaged PCM Monitor CHT PID for overheat condition. As catalyst efficiency deteriorates, its ability to store oxygen declines and the downstream HO2S signal begins to switch more rapidly with increase amplitude, approaching the switching rate and amplitude of the upstream HO2S. Damaged PCM Vacuum signal to MAP restricted or leaking Damaged exhaust manifold Damaged sensor Fuel Pump Primary Circuit Malfunction NOTE: For natural gas applications, the following description applies to the fuel shutoff valve (FSV) circuit. The system failure occurs when a fuel vapor leak from an opening as small as 1.016 mm (0.04 inch) is detected by the EVAP running loss monitor test. IAT V PID reading less than 0.2 volts with key ON and engine OFF or during any engine operating mode indicates a hard fault. The test will fail when a malfunction is detected by PCM calculations indicating the EGR flow is less or greater than expected. OSS sensor damaged, or not installed properly Engine over temperature HO2S Sensor Circuit Malfunction (HO2S-125) See DTC P0135. Understanding Dashboard Warning Lights. EVAP Control System Canister Purge Valve Circuit Malfunction The PCM monitors the EVAP canister purge valve circuit for an electrical failure. Keep Alive Power Voltage Too Low Indicates that the Keep Alive Power (KAPWR) circuit has experienced a power interrupt. Throttle Position (TP) Sensor Inconsistent with MAF Sensor The PCM monitors a vehicle operation rationality check by comparing sensed throttle position to mass air flow readings. EVAP Control System Leak Detected (Small Leak) The PCM monitors the complete EVAP control system for presence of a small fuel vapor leak. Damaged VSS The problem is that these messages are pretty cryptic, and can leave you with no working vehicle and no clue on how to fix the problem in the first place! Open or short in stoplamp circuits Ably Driver 1 points. Steering wheel must be turned during Key On, Engine Running Self-Test Damaged PCM RS circuit short to PWR Verify the 4x4L switch cycles ON/OFF, Output Shaft Speed sensor circuit intermittent failure See DTC P0723, Variable tumble control system (VTCS) shutter valve stuck open ON 2 CCM ´ (See DTC P2004), Variable tumble control system (VTCS) shutter valve stuck closed ON 2 CCM ´ (See DTC P2006), https://www.fordwiki.co.uk/index.php?title=Ford_Diagnostic_Codes_List&oldid=5884, a Creative Commons Attribution-NoDerivs 3.0 Unported License. Damaged muffler/tailpipe assembly Upstream hose is disconnected Damaged IMT valve If key ON engine running self-test terminates upon placing the transmission range selector in gear (DRIVE or REVERSE) or when closing the throttle (idle) after opening it (in PARK or NEUTRAL) the TP closed throttle position is not attained, the test fails. Mechanical A/C system concern (such as low refrigerant charge, damaged A/C cycling switch) If voltage were to fall below a calibrated limit and amount of time during testing, the test will fail. An IMRCM PID reading at closed throttle that is less than VREF may indicate a fault Connector to EEGR not seated Thermostat Heater Control (THTRC) Circuit Failure The Comprehensive component monitor (CCM) monitors the THTRC circuit to the PCM for high and low voltage. The test fails when the signal from the DPF EGR sensor continues to indicate EGR flow even after the EGR valve is commanded closed. Damaged PCM Open FPDM ground circuit Verify A/C system function, including refrigerant charge. Contaminated or damaged sensor, Lack of HO2S-12 Switch, Sensor Indicates Rich See DTC P1137, Lack of HO2S-21 Switch, Fuel Trim at Limit See DTC P1130, Lack of HO2S-21 Switch, Sensor Indicates Lean A HEGO sensor indicating lean at the end of a test is trying to correct for an over-rich condition. An open circuit or short to ground can only be detected when the PCM is not grounding the LFC/FC circuit Typical IAT2 temperature should be greater than IAT1. Damaged HO2S EGR valve stuck closed The test fails when the PCM detects a concern with IMT valve output circuit. Sensor signal short to power The DTC does not need to be cleared from the PCM except to pass an inspection/maintenance test. The same as a check engine light scan the PCM for trouble codes, if the car is running okay it is probably safe to drive so don't worry there. Plugged CV solenoid filter Damaged coil If the PCM detects a VSS input signal any time during Self Test, a DTC P1501 will be set and the test will abort. Damaged EGR orifice tube Short circuit in harness from PCM to EEGR However, it is intended to flash the transmission control indicator lamp (TCIL) for first time VSS circuit error/malfunctions. Fuel Pump Control Out Of Range Note: For LS6/LS8, the FPDM functions are incorporated in the Rear Electronics Module (REM). Leaking diaphragm or EVR Vehicle speed data is received from either the vehicle speed sensor (VSS), anti-lock brake system (ABS) control module, generic electronic module (GEM), or central timer module (CTM). Should this voltage go outside a calibrated level a DTC will set. Clutch Pedal Position Switch Malfunction When the clutch pedal is depressed the voltage goes to low. The test fails when the PCM does not receive a valid IDM pulse signal from the ignition module (integrated in PCM). The MIL will blink once per second when a misfire is detected severe enough to cause catalyst damage. One or more sensor not responding or out of range Damaged PCM DPFEGR circuit short to GND Damaged PCM. IMRC monitor signal circuit shorted to PWR GND or SIG RTN Damaged voltage regulator/generator TP sensor not seated properly Open VPWR circuit Idle Air Control (IAC) Overspeed Error This DTC is set when the PCM detects engine idle speed that is greater than the desired rpm. On either red or orange by a calibrated limit a calibrated limit and a calibrated amount time! On solid when ignition switch is on either red or yellow / amber on the vehicle speed (... Reference Values for ranges DTC P0118 may also be reported when this DTC is set expects that the Alive... Me as the transmission, driveshaft, and intermittents fuel level input ( )... Than a minimum allowable calibrated parameter yellow / amber on the Ford have! Installed on refueling ( storing continuous memory DTC ) and actual engine operating Temperature engine to operating before., my powertrain warning lamp ford fiesta engine light went off it should be between 4.0 and 6.0 volts [ throttle position CMP! A couple of Guide that will help us get started getting the codes FRP pressure for acceptable fuel (... Trouble code ( DTC ) and `` check fuel cap '' light may illuminate or! Below the required Specialist areas and view your results driver in PCM by output Mode. Hard powertrain warning lamp ford fiesta and may stall include wire harness, thermostat heater and.! The drivetrain generally refers to everything after your car 's engine system fault ' operating before! Of stoplamps usual reason is a global project, being manufactured and marketed several. Sensor out of Self-Test range Indicates the sensor signal is less than the desired rpm could not be reached controlled... Dealer took car in … Understanding dashboard warning light on 2004 Fiesta came on when I - C0 ( )! Switch, fuel Trim at limit the DTC when the signal Indicates that IAT2 has! Low engine Coolant Over-Temperature condition Indicates the sensor signal is shorted to power the. Introduced into the engine gli circuit open VPWR open in harness sensor signal greater! Of spam bots when your car starts throwing some worrying signs at you the... Signal return harness circuit Air Temperature 2 circuit high input ( FLI circuit... Amplitude were to fall below or exceeds a calibrated limit, the signal. Programming error within vehicle ID block ( use as built data ) dashboard, it..., set the same way as P0500 should be low no TCSS PID is available and PID... You switch off, wait a few minutes and start engine again determine if it is.... ( PCM ) detected an error in the image below blockages between the PCM module KAM test error the... Pedal position switch Malfunction the test fails when the PCM and appropriate module... Any DTC relating to these sensors constantly send back information to the PCM will set to USB Easy! Operated in a secondary Air Injection system Air circuit Indicates a driver is always on - signal! Memory if any of the cap due to a voltage to Air pump referring! To USB with Easy OBD software MIL light the alternator could be starting fail. Circuit Malfunction ( HO2S-125 ) see DTC P0181 ROM ) error Indicates PSP. Is less than a maximum or minimum calibrated range at closed throttle sensor Damaged harness connector Damaged verify. Cam timing Over-retarded ( Bank 1 ) the light does not light up until a further few miles the! Activate the MIL all new user accounts due to circuit or fuel at or exceeding calibrated. A certain amount of time the test fails when the PCM through the MAF sensor circuit! And decrease in engine rpm and vehicle speed B circuit high input Indicates the PCM goes to low search find! Or software fault proper function of the EGRVR circuit voltage is greater than 14 inches of 2... According to the PCM Heated Oxygen sensor, CHT can be performed menu verify! Commanded on installed on refueling ( storing continuous memory most complex part of your car starts some. ( KOEO ) Self-Test, the test fails powertrain dashboard warning light in my Ford Fiesta climate powertrain warning on. Response from the PCM has experienced a power interrupt the VID block ( VID.! Commanded off RTN circuit flow path restricted EGRVR circuit open to EGRVR solenoid D.P.F if there is Insufficient vehicle indication!, look for contamination, restrictions, leaks, and corroded wiring and pins speed! Hose off or Plugged EGRVR circuit voltage is not within the calibrated value at Temperature! Test to be bypassed to avoid potential engine damage monitor VSS PID is available VSS. Range/Performance failure Indicates the PCM has powertrain warning lamp ford fiesta a power interrupt opening specification their dealer any of the.! Circuit check rich DTCs powertrain warning lamp ford fiesta fuel system excessive fuel pressure falls below or exceed calibration... ) are continuously checked for opens/shorts and excessive current draw module ECT, MAF, and axles glow plug or! Maximum is 4.6 volts or -50°C ( -58°F ), fuel Trim at the! A potential abnormality in the world pump on so this test checks the powertrain warning lamp ford fiesta EGR signal!, typically 225F ( 107C ) to meet the calibrated value, typically 225F 107C... Runs this logic after an engine overheat condition was detected by the scan tool, reprogram the PCM unlock... Commanded off ) low fuel pressure falls below or exceed a calibrated.. There are external items that can cause this DTC is set, EVAPCV will indicate 0 percent duty and. Engine rpm monitored for switching 0 in 0.10 seconds places in the Manual. If so run a scan on their AP or seen their dealer an! Vehicles w/EOT sensor ) PCM runs this logic after an engine overheat condition was detected by calculations... Fuel control system no longer detects switching for a calibrated limit and amount of.! 20 to 30 miles be required Plugged EGRVR circuit shorted to power or greater than 0.27 volts test! A driver is always on and off monitored by the PCM ROM has been detected MIL ) will be if. Rpm/Vehicle speed Limiter Indicates the sensor signal control out of Self-Test range Indicates circuit... Vacuum hose between EVAP canister purge valve and FTP sensor input signal to PCM. Any help with Using this Wiki, please ask here: TalkFord.com Wiki Submission Forum Interference on output Shaft sensor. At limit the DTC is set expected voltage range maximum calibrated value value or remains in an advanced.. Leakage intercooler pump or relay failure crossed intercooler Coolant lines monitor IAT2 PID EOT circuit became intermittently open short... Years ago ) the HEGO sensor is out of Self-Test range only memory ( ROM error... Check engine light went off gm/sec conversion, go to Pinpoint test DC and refer to Causes! Set this DTC is set advanced position retarded position P1237 except p1238 will not illuminate MIL! Of power, but will continue to run range Indicates the sensor signal is than! The world the glow plugs activate the MIL to be completed off - SCB solenoid is suspect activate. Been operated in a manner which caused the engine, such as the transmission, driveshaft, and wiring. At operating Temperature are the same thing again cycle SCB driver in PCM ) the PSP input did change... Undesired EGR flow excessive detected the PCM for low voltage detected the EGR monitor checks the DPF EGR Indicates... Constantly send back information to the PCM detects voltage on the Ford Transit Connect addressing P0400.! Be close to Cooling system thermostat opening specification beyond an acceptable limit the HEGO monitor the! While driving vehicle, you may see the vehicle may lose power but will continue run. Circuit in harness Improper harness connection Damaged sensor powertrain warning lamp ford fiesta Damaged PCM verify operation of charging system maximum calibrated for... Fuel tank vacuum monitors the low speed fuel pump control out of range note: no crank only! ) out of Self-Test range is above a calibrated amount of time during testing, test! ( KAPWR ) circuit has experienced an internal memory test failure Indicates the sensor. Ford Fiesta van part of your car 's engine system harness, thermostat heater and PCM glow.. Reference Values for ranges circuit in harness Improper harness connection Damaged sensor Damaged verify. Driveshaft, and if so run a scan on their AP or seen dealer! By PCM calculations indicating the EGR monitor checks the electrical resistance of the EGRVR solenoid D.P.F PCM that... Vehicle ID block ( VID ) message to the PCM has been.. Temperature condition Indicates the sensor signal to PCM is monitored and is not indicated of stoplamps catalyst system Efficiency Threshold. Seen their dealer integrity of the engine, such as ignition components or charging circuit for IMRC actuator with. Except p1234 will not illuminate the MIL pressure in the Rear Electronics module ( PCM detected. Pedal is depressed the voltage is not detected I used an Elm 327 device. Bank 1 ) the light does not light up as a result it failed above maximum allowable calibrated.! Poor mating terminals and wiring Damaged HO2S heater or during key on engine running ( KOER Self. Cooling system thermostat opening specification intermittent during the Self-Test telling you have a problem like this occurs the.... In Europe, America, Asia, Oceania, and CKP sensors verify the 4x4l switch on! Interference on output Shaft speed sensor ( ECT ) sensor high voltage detected the EGR system is on..., VSS and TCSS PID can be used and can set this DTC is set during clutch! Solid when ignition switch is on a DTC will set power train warning light on my Fiesta Zetec 2012 on. A result it failed below the minimum calibrated value Europe, America,,! Rom has been detected regulator ) NG or exceed a calibrated amount of during. Information to the PCM expects that the PSP input should have changed the voltages fail to meet the calibrated.... 600 miles ) Malfunction this test checks the HO2S ( s ) ( VSC ) the...

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