Engine Cooling System - Diagnostic Trouble Codes
ENGINE COOLING SYSTEM DIAGNOSTIC CODE INDEX
| DTC | Description |
|---|---|
| DTC C0870 | P0480: Cooling Fan Relay 1 Control Circuit P0481: Cooling Fan Relays 2 and 3 Control Circuit |
| DTC P0480, P0481, P0691, P0692, P0693, or P0694 (LLT) | P0480: Cooling Fan Relay 1 Control Circuit P0481: Cooling Fan Relays 2 and 3 Control Circuit P0691: Cooling Fan Relay 1 Control Circuit Low Voltage P0692: Cooling Fan Relay 1 Control Circuit High Voltage P0693: Cooling Fan Relays 2 and 3 Control Circuit Low Voltage P0694: Cooling Fan Relays 2 and 3 Control Circuit High Voltage |
| DTC P1258 | P1258: Engine Coolant Overtemperature - Protection Mode Active |