B137F Code: Meaning, Causes, and Symptoms | OBD2 Codes

B137F – Steering Wheel Left Switch Pack

 

B137F Possible Symptoms

 

Engine Light ON (or Service Engine Soon Warning Light)

 

B137F Possible Causes

 

Faulty Steering Wheel Left Switch Pack,Steering Wheel Left Switch Pack harness is open or shorted,Steering Wheel Left Switch Pack circuit poor electrical connection,Faulty Steering Column Control Module (SCCM),Faulty Steering Effort Control Module (SECM),Faulty Steering Angle Sensor Module (SASM)

 

B137F Description

 

The cruise control steering wheel mounted switches are momentary contact switches that toggle up and down for the switch state. On vehicles without adaptive steering, the switches are an input to the Steering Column Control Module (SCCM). On vehicles with adaptive steering, the switches are an input to the Steering Effort Control Module (SECM). The SECM sends switch data to the Steering Angle Sensor Module (SASM) (part of the clockspring assembly), and the SASM sends switch data to the SCCM over the HS-CAN2.