B129F Code: Meaning, Causes, and Symptoms | OBD2 Codes

B129F – Function LED Semi-Automatic Advanced Parallel Park Circuit Short

 

B129F Possible Symptoms

 

Engine Light ON (or Service Engine Soon Warning Light)

 

B129F Possible Causes

 

Faulty Enable/Disable Switch Semiautomatic Advanced Parallel Park Actuator,Enable/Disable Switch Semiautomatic Advanced Parallel Park Actuator harness is open or shorted,Enable/Disable Switch Semiautomatic Advanced Parallel Park Actuator circuit poor electrical connection,Faulty Body Control Module (BCM)

 

B129F Description

 

The Body Control Module (BCM) monitors the Central Lock Enable/Disable Switch Semiautomatic Advanced Parallel Park Actuator. The BCM sets the OBDII code when the Enable/Disable Switch Semiautomatic Advanced Parallel Park Actuator is not to factory specifications.