FixVault

Engine Cooling

DTC Description Action
P0125 Insufficient Coolant Temp For Closed Loop Fuel Control GO to Pinpoint Test C
P0128 Coolant Thermostat (Coolant Temp Below Thermostat Regulating Temperature) GO to Pinpoint Test C
P0217 Engine Coolant Overtemperature Condition GO to Pinpoint Test B
P0480 Fan 1 Control Circuit Refer to INTRODUCTION
P0481 Fan 2 Control Circuit Refer to INTRODUCTION
P1285 Cylinder Head Overtemperature Condition Refer to INTRODUCTION
P1299 Cylinder Head Overtemperature Protection Active GO to Pinpoint Test B
P2681 Engine Coolant Bypass Valve "A" Control Circuit/Open REFER to: Transmission Cooling
P2682 Engine Coolant Bypass Valve "A" Control Circuit Low REFER to: Transmission Cooling
P2683 Engine Coolant Bypass Valve "A" Control Circuit High REFER to: Transmission Cooling
All Other PCM DTCs -- REFER to: Electronic Engine Controls