Buick - OBD Code Lookup

B0502 Buick

Open Or Short To Ground In The RH DRL Relay Control Circuit

Short To Voltage Or BCM Open Internally In The RH DRL Relay Control Circuit

Open Or Short To Ground In The LH DRL Relay Control Circuit

Low Voltage Level On The Control Circuit Of The RR Defog Relay

Temperature Control #3 Feedback Circuit Malfunction

Auxiliary HVAC Door Actuator Range/Performance

Left Air Temperature Actuator

Right Air Temperature Actuator

Humidity Sensor Humidity Circuit

Auxiliary Air Temperature Actuator Range/Performance