Engine Cooling System - Diagnostic Trouble Codes
ENGINE COOLING SYSTEM - DIAGNOSTIC CODE INDEX
| DTC | Description |
|---|---|
| DTC P0480 (w/LF1) | P0480: Cooling Fan Relay 1 Control Circuit |
| DTC P0480, P0691, or P0692 (without/LF1) | P0480: Cooling Fan Speed Output Circuit P0691: Cooling Fan Speed Output Circuit Low Voltage P0692: Cooling Fan Speed Output Circuit High Voltage |
| DTC P0481 (w/LF1) | P0481: Cooling Fan Relays 2 and 3 Control Circuit |
| DTC P1258 | P1258: Engine Coolant Overtemperature - Protection Mode Active |
| DTC P2600-P2603 | P2600: Auxiliary Coolant Pump Relay Control Circuit P2601: Auxiliary Coolant Pump Performance P2602: Auxiliary Coolant Pump Relay Control Circuit Low Voltage P2603: Auxiliary Coolant Pump Relay Control Circuit High Voltage |