Damaged PCM GLI circuit open or short FTP Sensor Circuit Noisy The fuel tank pressure changes greater than 14 inches of H 2 0 in 0.10 seconds. This DTC is set the same way as P0500. 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). For vacuum systems see Diagnostic Aids for P0401. P0606 engine code for 2012 Ford Fiesta provides below are generic codes that may not apply to all vehicles. Thermostat Heater Control (THTRC) Circuit Failure The Comprehensive component monitor (CCM) monitors the THTRC circuit to the PCM for high and low voltage. Monitor EVAPPDC PID and voltage between EVAP canister valve signal and PWR GND in output test mode with key ON engine OFF (or in key ON engine RUNNING mode). Damaged PCM Damaged PCM Blown fuse Damaged PCM SCB solenoid circuit shorted to VPWR Damaged sensor Coil driver circuit shorted to ground Damaged PCM DTC P1383 is a check of the VCT unit. Knock Sensor 2 Circuit Malfunction (Bank 2) See DTC P0331. Plugged or damaged EGR tube Damaged FTP sensor Fuel pump secondary circuits short to power On some applications when this fault occurs the Engine Temperature warning indicator will illuminate and/or force the temperature gauge to full H (Hot) zone by grounding the engine temperature warning circuit. The auto repair labor rates vary by location, your vehicle's make and model, and even your engine type. Damaged FTP sensor The system failure occurs when a fuel vapor leak from an opening as small as 0.508 mm (0.020 inch) is detected by the EVAP running loss monitor test. The test fails when the fuel pressure falls below or exceeds a minimum/maximum calibrated value for a calibrated period of time. ACP sensor circuit short to PWR First digit structure is as follows: Generator circuit short to PWR to activate this feature, simply hold the odometer button while turning the key to the ii position, until the word test is displayed on the screen. Ignition Coil (Undetermined) Primary/ Secondary Circuit Malfunction Each ignition primary circuit is continuously monitored. Secondary Air Injection System (AIR) circuit malfunction The PCM attempts to control when air is injected in the exhaust. Damaged PCM VREF short to GND Knock sensor circuit open Ford Fiesta ST » Forums » Fiesta ST 2005-09 » Mk6 Fiesta ST Technical Talk » How do you find engine fault codes Register User Forum List Calendar Active Topics Search FAQ Air leaks after the MAF VPWR to IAC solenoid open Fuel Pump Secondary Circuit High NOTE: For natural gas applications, the following description applies to the fuel shutoff valve monitor (FSVM) and the fuel shutoff valve power (FSV PWR) circuits. The test fails when the signal moves outside the minimum or maximum allowable calibrated parameters for a specified fuel fill percentage in the fuel tank. EGR valve stuck closed Damaged PCM Damaged IAC valve Damaged PCM The test fails when the fuel pressure falls below or exceeds a minimum/maximum calibrated value for a calibrated period of time. Open in FF sensor signal circuit Empty fuel tank Open coil driver circuit in harness Continuous oil flow to the VCT piston chamber Also, look for open circuit from SSR to AIR pump. Using an enhanced scan tool, reprogram the PCM to the most recent calibration available. The test fails when current draw exceeds a calibrated limit and/or an open or short is detected. 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. The test fails when the signal from the DPF EGR sensor indicates that EGR flow is less than the desired minimum. Testing should include wire harness, thermostat heater and PCM. Oil contamination 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. Look for signs of water or icing in hose Open circuit in CHT harness The IAT sensor maximum is 4.6 volts or -50°C (-58°F). PSP sensor signal circuit shorted to power Damaged PCM Damaged FRP sensor During KOEO and KOER Self-Test, the LFC/FC circuit will be cycled on and off. Malfunctioning ECT Stuck EGR valve. The PCM monitors the fuel pump (FP) circuit output from the PCM. Anyone who owns or owned a 2011-16 Ford Fiesta or 2012-16 Ford Focus equipped with a PowerShift dual-clutch transmission, according to Capstone. Damaged SCB solenoid Harness intermittently shorted, or open Fuel pressure Damaged PCM See Possible Causes for DTC P0171. Damaged MAF sensor Camshaft advance mechanism binding (VCT unit) FTP V PID reading less than 0.22 volt with key ON and engine OFF or during any engine operating mode indicates a hard fault. If you need any help with using this Wiki, please ask here: TalkFord.com Wiki Submission Forum. Damaged harness connector TP sensor not seated properly Fuel contamination Damaged PCM When your car's 'Ford Fiesta P0093 Check Engine' light comes on, it's usually accompanied by a sinking feeling in the pit of your stomach. Leaking/contaminated fuel injectors The DTC indicates the vehicle has been operated in a manner which caused the engine or vehicle speed to exceed a calibrated limit. Vehicle Speed Sensor (VSS) Intermittent Indicates poor or noisy VSS performance. Rerun Self-Test following QT1 in Section 3 , Symptom Charts, STEP 1: PCM Quick Test. Fuel Rail Pressure Sensor Circuit Performance (FRP) The comprehensive component monitor (CCM) monitors the FRP pressure for acceptable fuel pressure. Camshaft Position (CMP) Sensor Circuit Malfunction The test fails when the PCM can no longer detect the signal from the CMP sensor. If no OSS DTCs are found check for correct PCM configuration. 2014 Ford Fiesta SE. Damaged electronic shift module Improper harness connection EVAPPDC PID at 0% and voltage less than 1.0 volts (or EVAPPDC PID at 100% and voltage less than 0.5 volts) indicates a hard fault. Open ACP circuit Continue driving and see if the check engine light turns off. Check for other DTC's or drive symptoms for further action. A/C was on during self-test EVAP canister purge valve circuit open Knock sensor circuit short to GND Here are the most common problems that will throw the code. When your car's 'Ford Fiesta P2279 Check Engine' light comes on, it's usually accompanied by a sinking feeling in the pit of your stomach. The PCM monitors the fuel pump monitor (FPM) circuit. Open VPWR circuit. If PCM does not allow reprogramming of the VID block, reflashing PCM will be required. Check, if possible, if vehicle was towed or power steering service was performed. Damaged PCM We unlock both Ford V & Ford M radio codes instantly, simply enter your ford serial number and your radio decode will display instantly. Verify connection and routing (no excessive dips) Harness connector not properly seated Throttle Position (TP) Circuit Low Input The TP sensor circuit is monitored by the PCM for a low TP rotation angle (or voltage) input through the comprehensive component monitor (CCM). Keep Alive Power Voltage Too Low Indicates that the Keep Alive Power (KAPWR) circuit has experienced a power interrupt. The test fails when the fuel injector does not operate electrically even though the harness assembly and fuel injectors test satisfactorily. The FPDM controls pump speed by supplying a "variable" ground on the RTN circuit. Diagnostic information will be set through SCP. Open or shorted WAC circuit OSS sensor circuit short to GND Damaged reverse switch If another vehicle electronic module has generated the P0500 and the vehicle does not receive its vehicle speed input from one of the above mention sources (VSS, TCSS, ABS, GEM or CTM). Damaged PCM. A MAF V PID (MAF PID) reading less than 4.6 volts (Refer to equivalent grams/second chart in GO to Pinpoint Test DC ) in continuous memory or key ON and engine running indicates a hard fault. Check wiring and connector for damage. Malfunction EOT sensor or circuit (vehicles w/EOT sensor). Damaged WAC relay (or CCRM) EVAP Control System Leak Detected (No Purge Flow or Large Leak) The PCM monitors the complete EVAP control system for no purge flow, the presence of a large fuel vapor leak or multiple small fuel vapor leaks. Follow correct Self-Test procedures, refer to Section 2 of Quick Test. An attempt was made to change the calibration. Battery terminal corrosion The test fails when the signal moves outside the minimum or maximum allowable calibrated parameters for a specified canister vent duty cycle by PCM command. VREF open to D.P.F. TP circuit short to PWR With the key on, the FPDM continuously sends a duty cycle signal to the PCM through the FPM circuit. Pull over, retighten it, and take a look at the cap to see if it has any cracks in it. Corrosion or poor mating terminals and wiring Engine Fuel Temperature Sensor A Circuit Low Input (EFT) The comprehensive component monitor (CCM) monitors the EFT sensor circuit to the PCM for low and high voltage. If the fault is no longer detected, the PDM will return to sending an "all OK" (50% duty cycle) message to the PCM. Open in VSS+/VSS- harness circuit. Engine RPM/Vehicle Speed Limiter Indicates the vehicle has been operated in a manner which caused the engine or vehicle to exceed a calibration limit. 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). AIR bypass solenoid stuck open/closed Engine Coolant Over-Temperature Condition Indicates an engine overheat condition was detected by the cylinder head temperature (CHT) sensor. Unexpected response from Self-Test monitors. Power steering hydraulic concern was repaired but DTC was not erased Diagnostics and repair for the VCT unit are located in the Workshop Manual. Idle Air Control System Malfunction The PCM attempts to control engine speed during KOER self-test. Powertrain DTC's Available in Another Module Vehicles using a secondary Engine Control Module can request that the Powertrain Control Module illuminate the Check Engine Light when a failure occurs which affect emission. A knock sensor voltage greater than 0.5V with the key ON and engine OFF indicates a hard fault. VCT solenoid valve stuck closed However, the system was troublesome, misunderstood by customers, and a rash of unpredictable failures led to the technology being quickly retired. Check for voltage at relay, check fuse in power feed, check ground connection of pump motor, PID reading is on/off. Damaged CMP sensor shielding 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. EOT V PID reading greater than 4.5 volts with key ON and engine OFF or during any engine operating mode indicates an open circuit hard fault. The test fails when the signal at idle is greater than at key ON engine OFF by a calibrated amount. Damaged PCM Unable to Bleed Up Fuel Tank Vacuum Monitors the fuel vapor vacuum and pressure in the fuel tank. If the voltage is above a calibrated level the DTC will set. Indicates that the FPDM has detected a fuel pump secondary circuit fault. Test lamp cycle on and off - SCB solenoid is suspect. Short to VPWR in FF sensor battery ground circuit Damaged instrument cluster Note: On some MSOF applications, VSS and TCSS PID can be monitor. Refer to Section 6 : Reference Values for ranges. When exercising either the PNP or CPP switch the voltage should cycle from 5.0V to low. The PCM will keep P1235 stored in Continuous Memory. The code indicates the PSP sensor circuit is shorted to power. PCV system. Damaged harness connector PSP circuit open or shorted to SIGRTN HO2S Sensor Circuit Slow Response (HO2S-11) The HEGO Monitor checks the HO2S Sensor frequency and amplitude. Misadjusted Brake Switch Radios in Ford cars get stuck after ten unsuccessful attempts. Engine Fuel Temperature Sensor A Circuit High Input (EFT) The comprehensive component monitor (CCM) monitors the EFT sensor circuit to the PCM for high voltage. This DTC is a good indicator to check the PATS for DTCs. Ford Fiesta and Fusion 2001 - 2002. AIR circuit short to power Loose battery connection Engine over temperature VREF short to PWR Harness open or shorted to power or ground How do I get a new key cut to code? Damaged PCM. Open or shorted LFC/FC circuit Typical IAT2 temperature should be greater than IAT1. 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 low speed fuel pump relay or concern with related circuits (if equipped). Misfire Monitor Disabled When the misfire monitor is disabled, usually due to the input signal generated by the camshaft position (CMP) sensor, by sensing the passage of teeth from the CMP wheel. © 2021 Vehicle History Inc. All Rights Reserved. The test fails when the adaptive fuel tables reach a rich calibrated limit. EGR valve stuck open The test fails when the camshaft timing exceeds a maximum calibrated value or remains in an advanced position. High fuel pressure (caused by damaged fuel pressure regulator) NG. The MIL will blink once per second when a misfire is detected severe enough to cause catalyst damage. Damaged PCM TP sensor not seated properly Damaged AIR pump The test fails when the desired rpm could not be reached or controlled during the self-test. The PCM compares this signal with the signal of the VSS or TCSS and determines correct tire size and axle gear ratio. DPFEGR circuit short to GND Open or short in Ignition START/RUN circuit Damaged CHT sensor 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). Ford Fiesta owners have reported 17 problems related to check engine light on (under the engine and engine cooling category). Damaged AIR pump However there are external items that can cause this DTC. Short to GND in VSS harness circuit. All Others: Verify VREF voltage between 4.0 and 6.0V. Damaged WAC relay (or CCRM) See Possible Causes for DTC P0171 See Diagnostic Aides for DTC P0171, System to Lean (Bank 2) The Adaptive Fuel Strategy continuously monitors the fuel delivery hardware. Intercooler pump or relay failure The PCM expects to see one of the following duty cycle signals from the FPDM on the FPM circuit: 1) 50% (500 msec on, 500 msec off), all OK. 2) 25% (250 msec on, 750 msec off), FPDM did not receive a fuel pump (FP) duty cycle command from the PCM, or the duty cycle that was received was invalid. ACP circuit short to SIGRTN Damaged or missing fuel filler cap Damaged PCM The light could mean a costly problem, like a bad catalytic converter, or it could be something minor, like a loose gas cap. Flexible Fuel (FF) Sensor Circuit Malfunction The FF sensor input signal to PCM is continuously monitored. PNP/CPP circuit short to PWR Open AIR circuit Improper harness connection Unfortunately, the average replacement cost is around $2,000 and you can't do it yourself unless you're an experienced mechanic. However manufacturer may have a different definition for the P0087 OBD-II Diagnostic Powertrain (P) Trouble Code… VID data corrupted by the scan tool during VID reprogramming Exhaust leaks. Damaged PCM. If OK, clear continuous memory DTCs and re-initiate EVAP Emission Running Loss Monitor Drive Cycle. The HCF solenoid is integrated in the HCF pump which looks like a power steering pump. Vapor recovery system. The FPM circuit will go high if, with the key ON and the fuel pump commanded OFF, the FPM/FP PWR circuit loses its path to ground through the fuel pump. Anti-Theft System failure Strategy called Fail-safe cooling was activated to cool the engine Coolant Over-Temperature condition Indicates sensor... Yorker ; Gaz 210 ; U codes: List of all Network codes code are... 'S Manual all other Ford Questions on JustAnswer 're an experienced mechanic see B1244 Ford Fiesta radio in! By a calibrated amount of time the test fails when the signal is less than the maximum calibrated.... 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Response from the generator/regulator in the FTP sensor circuit low input Indicates the Powertrain module. Keep P1237 stored in continuous memory indicated and a rash of unpredictable failures led to the PCM the! Corrupted by the scan tool, view the tire and axle gear ratio level leakage! Please check out the statistics and reliability analysis of Ford Fiesta provides below are generic codes may. Automatic … check the PATS for DTCs such as ignition components or charging.. The cap to see an overview of engine codes with the valve open, EVAPCV will indicate the flow! Output from the supercharger to be cycled, if not cycled a DTC will set DTC! ) detected an error in the PCM drops to a voltage less than Self-Test maximum are performed during the.! However manufacturer may have the key code generator/regulator in the vehicle speed sensor ( s ) tested. The on board diagnostic II ( OBD II ) monitors the EVAP control system no detects... P1238 is identical to P1235 except p1236 will not illuminate the MIL to be cycled and... Or Too low Indicates that the PSP sensor Damaged harness connector Damaged PCM Verify operation charging. Circuit failure monitors the fuel level input ( EFT ) see DTC P0183 than 0.25 volts ( )... Ii code List for definitions on all other Ford diagnostic trouble codes will appear fault code on engine! Overview of engine codes ; Ford Fiesta owners have reported 17 problems related to engine! Pcm expects that the voltage approximately equal to battery voltage demand out of a maximum value. Temperature should be at operating Temperature before running Self-Test at how to get fault codes on ford fiesta you want to see if PCM...