Engine Cooling System Diagnostic Code Index
WARNING: This page is about a different car, the 2011 Chevrolet Cruze. However, it is still accessible from the selected car via links, so may be relevant.
ENGINE COOLING SYSTEM DIAGNOSTIC CODE INDEX
| DTC | Description |
|---|---|
| DTC P00B3 or P00B4 | P00B3 00: Radiator Coolant Temperature (RCT) Sensor Circuit Low Voltage P00B4 00: Radiator Coolant Temperature (RCT) Sensor Circuit High Voltage |
| DTC P00B6 | P00B6 00: Radiator Coolant Temperature (RCT) - Engine Coolant Temperature (ECT) Not Plausible |
| DTC P00B7 | P00B7 00: Engine Coolant Flow Insufficient |
| DTC P0480, P0481, or P0482 | P0480 01: Cooling Fan Relay 1 Control Circuit Short to Battery P0480 02: Cooling Fan Relay 1 Control Circuit Short to Ground P0480 04: Cooling Fan Relay 1 Control Circuit Open P0480 54: Cooling Fan Relay 1 Control Circuit High Temperature P0481 01: Cooling Fan Relay 2 Control Circuit Short to Battery P0481 02: Cooling Fan Relay 2 Control Circuit Short to Ground P0481 04: Cooling Fan Relay 2 Control Circuit Open P0481 54: Cooling Fan Relay 2 Control Circuit High Temperature P0482 01: Cooling Fan Relay 3 Control Circuit Short to Battery P0482 02: Cooling Fan Relay 3 Control Circuit Short to Ground P0482 04: Cooling Fan Relay 3 Control Circuit Open P0482 54: Cooling Fan Relay 3 Control Circuit High Temperature |
| DTC P0597-P0599 | P0597 00: Engine Coolant Thermostat Heater Control Circuit P0598 00: Engine Coolant Thermostat Heater Control Circuit Low Voltage P0599 00: Engine Coolant Thermostat Heater Control Circuit High Voltage |
| DTC P0691-P0694 | P0691 00: Cooling Fan Relay 1 Control Circuit Low Voltage P0692 00: Cooling Fan Relay 1 Control Circuit High Voltage P0693 00: Cooling Fan Relay 2 Control Circuit Low Voltage P0694 00: Cooling Fan Relay 2 Control Circuit High Voltage |
| DTC P1258 | P1258: Engine Coolant Overtemperature - Protection Mode Active |