Engine Cooling System - Diagnostic Trouble Codes
ENGINE COOLING SYSTEM - DIAGNOSTIC CODE INDEX
| DTC | Description |
|---|---|
| DTC P00B3 or P00B4 | DTC P00B3 Radiator Coolant Temperature Sensor Circuit Low Voltage DTC P00B4 Radiator Coolant Temperature Sensor Circuit High Voltage |
| DTC P00B7 | DTC P00B7 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 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 P112F | DTC P112F Radiator Coolant Temperature Sensor Not Plausible |
| DTC P2181 | DTC P2181 Engine Cooling System Performance |