B113F Code: Meaning, Causes, and Symptoms | OBD2 Codes

B113F – Rear Climate Control Switch Circuit Short to Battery


B113F Possible Symptoms


Engine Light ON (or Service Engine Soon Warning Light)


B113F Possible Causes


Faulty Rear Climate Control Switch,Rear Climate Control Switch harness is open or shorted,Rear Climate Control Switch circuit poor electrical connection,Faulty Rear Audio and Temperature Control (RATC) Module


B113F Description


Under normal operation, the ground is provided to the rear climate control switch through the circuit. When the switch is pressed, ground through an internal resistor is sent to the Rear Audio and Temperature Control (RATC) module through the circuit. The Rear Audio and Temperature Control (RATC) Module sets the OBDII when the module senses no voltage drop on the switch output circuit, indicating an open circuit.