DTC B112B-87: Steering Wheel Module - Missing message: Action
- Refer to the appropriate electrical circuit wiring diagrams and check the power and ground connections to the steering wheel module. Using the manufacturer approved diagnostic system, complete a LIN network integrity test
- Refer to the appropriate electrical circuit wiring diagrams and check the LIN network between the steering wheel module and instrument panel cluster control module
- If no circuit faults are present, check and install new switch as required. Clear diagnostic trouble code and retest
- If diagnostic trouble code persists, check and install new steering wheel module. Refer to the warranty policy and procedures manual, or determine if any prior approval program is in operation, prior to the installation of a new module/component