1. Connect a scan tool.
2. Turn the ignition to the RUN position.
3. Request IPC DTC's.

DTCs B2510, B2511 or B2515 are not current.

DTCs B2510, B2511 or B2515 are current. Go to Diagnostic System Check - Instrument Cluster

1. Turn the radio ON.
2. Momentarily hold each steering wheel control switch in the UP and then the DOWN position.

The desired function of the radio or climate control operates properly.

Steering Wheel Controls Inoperative

* Refer to the appropriate symptom diagnostic table for the applicable abnormal result.