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Engine Cooling System - Diagnostic Trouble Codes

ENGINE COOLING SYSTEM - DIAGNOSTIC TROUBLE CODE LIST

DTC Description
DTC P00B3 or P00B4 (2H0 or LUJ) Radiator Coolant Temperature (RCT) Sensor
DTC P00B6 (2H0 or LUJ) Radiator Coolant Temperature (RCT) Sensor
DTC P00B7 (2H0 or LUJ) Engine Coolant Flow Insufficient
DTC P0480 or P0481 (2H0) Cooling Fan Relay 1/2 Control Circuit
DTC P0480, P0481, P0691, P0692, P0693, or P0694 (LUJ or LUV) Cooling Fan Relay 1/2/3 Control Circuit
DTC P0597 P0599 (2H0 or LUJ): Engine Coolant Thermostat Heater Control Circuit
DTC P2181 (2H0 or LUJ) Engine Cooling System Performance