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Home >> Ford >> 2023 >> Mustang Mach 1, Automatic Trans >> Repair and Diagnosis >> Engine Mechanical >> Cooling System (Mechanical) >> Engine Cooling - 5.0L 32V Ti-VCT (359KW/486PS) (WU)/5.0L Ti-VCT V8 (343KW/466PS) (MF) >> Diagnosis And Testing >> Engine Cooling >> Diagnostic Trouble Code (DTC) Chart

Diagnostic Trouble Code (DTC) Chart

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

Module DTC Description Action
PCM P0125:00 Insufficient Coolant Temp For Closed Loop Fuel Control: No Sub Type Information GO to Pinpoint Test C 
PCM P0128:00 Coolant Thermostat (Coolant Temp Below Thermostat Regulating Temperature): No Sub Type Information GO to Pinpoint Test C 
PCM P0217:00 Engine Coolant Overtemperature Condition: No Sub Type Information GO to Pinpoint Test B 
PCM P1299:00 Cylinder Head Overtemperature Protection Active: No Sub Type Information GO to Pinpoint Test B 
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