Engine Cooling System - Diagnostic Trouble Codes
ENGINE COOLING SYSTEM - DIAGNOSTIC TROUBLE CODES
| DTC | Description |
|---|---|
| DTC P00B3 or P00B4 | DTC P00B3 Radiator Coolant Temperature (RCT) Sensor Circuit Low Voltage DTC P00B4 Radiator Coolant Temperature (RCT) Sensor Circuit High Voltage |
| DTC P00B6 | DTC P00B6 Radiator Coolant Temperature (RCT)-Engine Coolant Temperature (ECT) Not Plausible |
| DTC P00B7 | DTC P00B7 Engine Coolant Flow Insufficient |
| DTC P0480 or P0481 (2H0) | DTC P0480 Cooling Fan Relay 1 Control Circuit DTC P0481 Cooling Fan Relay 2 Control Circuit |
| DTC P0480, P0481, P0691, P0692, P0693, or P0694 (LUJ or LUV) | 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 P0597-P0599 | DTC P0597 Engine Coolant Thermostat Heater Control Circuit DTC P0598 Engine Coolant Thermostat Heater Control Circuit Low Voltage DTC P0599 Engine Coolant Thermostat Heater Control Circuit High Voltage |
| DTC P2181 | DTC P2181 Engine Cooling System Performance |