2011 Ford Expedition RWDFACTORY OEM SERVICE PROCEDURE

Electronic Engine Control System DTCS: Pcm

PCM DIAGNOSTIC TROUBLE CODE (DTC) LIST

DTC Description Action to Take
P0125 Insufficient Coolant Temp For Closed Loop Fuel Control Refer to ENGINE COOLING SYSTEM .
P0128 Coolant Thermostat (Coolant Temp Below Thermostat Regulating Temperature) Refer to ENGINE COOLING SYSTEM .
P0217 Engine Coolant Overtemperature Condition refer to ENGINE COOLING SYSTEM .
P0512 Starter Request Circuit Refer to STARTING SYSTEM .
P0532 A/C Refrigerant Pressure Sensor A Circuit Low Refer to CLIMATE CONTROL SYSTEM - GENERAL INFORMATION AND DIAGNOSTICS .
P0533 A/C Refrigerant Pressure Sensor A Circuit High Refer to CLIMATE CONTROL SYSTEM - GENERAL INFORMATION AND DIAGNOSTICS .
P0562 System Voltage Low Refer to CHARGING SYSTEM .
P0563 System Voltage High Refer to CHARGING SYSTEM .
P0579 Cruise Control Multi-Function Input A Circuit Range/Performance Refer to CRUISE CONTROL SYSTEM .
P0581 Cruise Control Multi-Function Input A Circuit High Refer to CRUISE CONTROL SYSTEM .
P0602 Powertrain Control Module Programming Error Refer to MODULE COMMUNICATIONS NETWORK - MODULE CONFIGURATION .
P0605 Internal Control Module Read Only Memory (ROM) Error Refer to MODULE COMMUNICATIONS NETWORK - MODULE CONFIGURATION .
P0620 Generator Control Circuit Refer to CHARGING SYSTEM .
P0625 Generator Field Terminal Circuit Low Refer to CHARGING SYSTEM .
P0626 Generator Field Terminal Circuit High Refer to CHARGING SYSTEM .
P0645 A/C Clutch Relay Control Circuit Refer to CLIMATE CONTROL SYSTEM - GENERAL INFORMATION AND DIAGNOSTICS .
P065B Generator Control Circuit Range/Performance Refer to CHARGING SYSTEM .
P1260 Theft Detected, Vehicle Immobilized Refer to ANTI-THEFT SYSTEM - PASSIVE ANTI-THEFT SYSTEM (PATS) .
P1285 Cylinder Head Overtemperature Condition Refer to ENGINE COOLING SYSTEM .
P1299 Cylinder Head Overtemperature Protection Active Refer to ENGINE COOLING SYSTEM .
P1464 A/C Demand Out Of Self Test Range Refer to CLIMATE CONTROL SYSTEM - GENERAL INFORMATION AND DIAGNOSTICS .
P1572 Brake Pedal Switch Circuit Refer to CRUISE CONTROL SYSTEM .
P1602 Immobilizer/ECM Communication Error a Refer to ANTI-THEFT SYSTEM - PASSIVE ANTI-THEFT SYSTEM (PATS) .
P1622 Immobilizer ID Does Not Match Refer to ANTI-THEFT SYSTEM - PASSIVE ANTI-THEFT SYSTEM (PATS) .
P1639 Vehicle ID Block Corrupted, Not Programmed Refer to MODULE COMMUNICATIONS NETWORK - MODULE CONFIGURATION .
P1703 Brake Switch Out Of Self Test Range Refer to CRUISE CONTROL SYSTEM .
U0300 Internal Control Module Software Incompatibility Refer to MODULE COMMUNICATIONS NETWORK - MODULE CONFIGURATION .
U2051 One or More Calibration Files Missing / Corrupt Refer to MODULE COMMUNICATIONS NETWORK - MODULE CONFIGURATION .
All Other DTCs - Refer to INTRODUCTION .
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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.

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