Possible Causes
WARNING: This page is about a different car, the 2004 Mercury Mountaineer and 2004 Ford Explorer. However, it is still accessible from the selected car via links, so may be relevant.
- circuit 583 (YE) open or short to ground
- circuit 848 (DG/OG) open or short to power
- steering wheel audio controls ground circuit open
- steering wheel audio controls
- steering wheel control switch harness
- audio unit
- PCM