Contents Wiring diagrams Section: Removal & Installation All sections

Electronic Engine Controls: Diagnosis Ford Fiesta Mk6

PCM DTC Chart

DTCDescriptionAction to Take
P0125:00Insufficient Coolant Temp For Closed Loop Fuel Control: No Sub Type InformationREFER to ENGINE COOLING .
P0128:00Coolant Thermostat (Coolant Temp Below Thermostat Regulating Temperature): No Sub Type InformationREFER to ENGINE COOLING .
P0504:00Brake Switch A/B Correlation: No Sub Type InformationREFER to CRUISE CONTROL .
P0531:2FA/C Refrigerant Pressure Sensor A Circuit Range/Performance: Signal ErraticREFER to CLIMATE CONTROL SYSTEM - GENERAL INFORMATION AND DIAGNOSTICS .
P0532:16A/C Refrigerant Pressure Sensor A Circuit Low: Circuit Voltage Below ThresholdREFER to CLIMATE CONTROL SYSTEM - GENERAL INFORMATION AND DIAGNOSTICS .
P0533:17A/C Refrigerant Pressure Sensor A Circuit High: Circuit Voltage Above ThresholdREFER to CLIMATE CONTROL SYSTEM - GENERAL INFORMATION AND DIAGNOSTICS .
P0578:00Cruise Control Multi-Function Input A Circuit Stuck: No Sub Type InformationREFER to CRUISE CONTROL .
P0579:00Cruise Control Multi-Function Input A Circuit Range/Performance: No Sub Type InformationREFER to CRUISE CONTROL .
P0617:12Starter Relay Circuit High: Circuit Short To BatteryREFER to STARTING SYSTEM .
P0645:13A/C Clutch Relay Control Circuit: Circuit OpenREFER to CLIMATE CONTROL SYSTEM - GENERAL INFORMATION AND DIAGNOSTICS .
P0646:11A/C Clutch Relay Control Circuit Low: Circuit Short To GroundREFER to CLIMATE CONTROL SYSTEM - GENERAL INFORMATION AND DIAGNOSTICS .
P0647:12A/C Clutch Relay Control Circuit High: Circuit Short To BatteryREFER to CLIMATE CONTROL SYSTEM - GENERAL INFORMATION AND DIAGNOSTICS .
P065B:09Generator Control Circuit Range/Performance: Component FailureREFER to CHARGING SYSTEM .
P065C:09Generator Mechanical Performance: Component FailureREFER to CHARGING SYSTEM .
P0833:00Clutch Pedal Switch B Circuit: No Sub Type InformationREFER to CRUISE CONTROL .
P0850:00Park/Neutral Switch Input Circuit: No Sub Type InformationREFER to STARTING SYSTEM .
P0851:00Park/Neutral Switch Input Circuit Low: No Sub Type InformationREFER to STARTING SYSTEM .
P0A3B:19Generator Over Temperature: Component FailureREFER to CHARGING SYSTEM .
P162D:00Internal Control Module Cruise Control Performance: No Sub Type InformationREFER to CRUISE CONTROL .
P1794:16Battery Voltage Circuit: Circuit Voltage Below ThresholdREFER to CHARGING SYSTEM .
P1794:17Battery Voltage Circuit: Circuit Voltage Above ThresholdREFER to CHARGING SYSTEM .
U0120:88Lost Communication with Starter/Generator Control Module: Bus OffREFER to CHARGING SYSTEM .
U0167:00Lost Communication With Vehicle Immobilizer Control Module: No Sub Type InformationREFER to ANTI-THEFT - PASSIVE ANTI-THEFT SYSTEM (PATS) .
U0426:00Invalid Data Received From Vehicle Immobilizer Control Module: No Sub Type InformationREFER to ANTI-THEFT - PASSIVE ANTI-THEFT SYSTEM (PATS) .
U0469:09Invalid Data Received From Starter/Generator Control Module: Component FailureREFER to CHARGING SYSTEM .
U3003:16Battery Voltage: Circuit Voltage Below ThresholdREFER to CHARGING SYSTEM .
U3003:17Battery Voltage: Circuit Voltage Above ThresholdREFER to CHARGING SYSTEM .
All Other DTCsREFER to ENGINE EMISSION CONTROL .

PCM DTC CHART