Engine Cooling System - Diagnostic Trouble Codes
ENGINE COOLING SYSTEM - DIAGNOSTIC CODE INDEX
| DTC | Description |
|---|---|
| DTC P00B3 or P00B4 | DTC P00B3 00 Radiator Coolant Temperature (RCT) Sensor Circuit Low Voltage DTC P00B4 00 Radiator Coolant Temperature (RCT) Sensor Circuit High Voltage |
| DTC P00B6 (LUJ or LUW) | DTC P00B6 Radiator Coolant Temperature (RCT) - Engine Coolant Temperature (ECT) Not Plausible |
| DTC P00B7 | DTC P00B7 00 Engine Coolant Flow Insufficient |
| DTC P0480, P0481, P0691, P0692, P0693, or P0694 | 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 00 Engine Coolant Thermostat Heater Control Circuit DTC P0598 00 Engine Coolant Thermostat Heater Control Circuit Low Voltage DTC P0599 00 Engine Coolant Thermostat Heater Control Circuit High Voltage |
| DTC P2181 | DTC P2181 Engine Cooling System Performance |