Engine Cooling System - Diagnostic Trouble Codes
ENGINE COOLING SYSTEM - DIAGNOSTIC CODE INDEX
| DTC | Description |
|---|---|
| DTC P0480 or P0481 (V8 and V6-LF1, LGD - Dual Fan) | DTC P0480 Cooling Fan Relay 1 Control Circuit DTC P0481 Cooling Fan Relays 2 and 3 Control Circuit |
| DTC P0480 or P0481 (V6-LF1) | DTC P0480 Cooling Fan Relay 1 Control Circuit DTC P0481 Cooling Fan Relays 2 and 3 Control Circuit |
| DTC P0480, P0481, P0691, P0692, P0693, or P0694 (w/LLT) | DTC P0480 Cooling Fan Relay 1 Control Circuit DTC P0481 Cooling Fan Relays 2 and 3 Control Circuit DTC P0691 Cooling Fan Relay 1 Control Circuit Low Voltage DTC P0692 Cooling Fan Relay 1 Control Circuit High Voltage DTC P0693 Cooling Fan Relays 2 and 3 Control Circuit Low Voltage DTC P0694 Cooling Fan Relays 2 and 3 Control Circuit High Voltage |
| DTC P0480, P0481, P0691, P0692, P0693, or P0694 (w/LLT and Dual Fan) | DTC P0480 Cooling Fan Relay 1 Control Circuit DTC P0481 Cooling Fan Relays 2 and 3 Control Circuit DTC P0691 Cooling Fan Relay 1 Control Circuit Low Voltage DTC P0692 Cooling Fan Relay 1 Control Circuit High Voltage DTC P0693 Cooling Fan Relays 2 and 3 Control Circuit Low Voltage DTC P0694 Cooling Fan Relays 2 and 3 Control Circuit High Voltage |
| DTC P1258 | DTC P1258 Engine Coolant Overtemperature - Protection Mode Active |
| DTC P2600-P2603 | DTC P2600 Auxiliary Coolant Pump Relay Control Circuit DTC P2601 Auxiliary Coolant Pump Performance DTC P2602 Auxiliary Coolant Pump Relay Control Circuit Low Voltage DTC P2603 Auxiliary Coolant Pump Relay Control Circuit High Voltage |