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Home >> Lincoln >> 2018 >> MKZ Select, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 11 (Engine Cooling - 3.0L ECOBOOST (Except Hybrid)) >> Diagnosis And Testing >> Engine Cooling >> DTC Chart

DTC Chart

WARNING: This page is about a different variant/trim than selected.
WARNING: Before beginning any service procedure, refer to Safety Warnings in General Information. Failure to follow this instruction may result in serious personal injury.

REFER to: Engine Cooling System Health and Safety Precautions .

Diagnostics in this information assume a certain skill level and knowledge of Ford-specific diagnostic practices. REFER to: Diagnostic Methods .

Powertrain Control Module DTC Chart 

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 Powertrain Control/Emissions Diagnosis (PC/ED) manual.
P0481 Fan 2 Control Circuit Refer to Powertrain Control/Emissions Diagnosis (PC/ED) manual.
P1285 Cylinder Head Overtemperature Condition Refer to Powertrain Control/Emissions Diagnosis (PC/ED) manual.
P1299 Cylinder Head Overtemperature Protection Active GO to Pinpoint Test B 
P2681 Engine Coolant Bypass Valve "A" Control Circuit/Open 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 .