Mute Switch Failure
Tests 1 - 3:
Tests 4 - 7:
SYMPTOM
MUTE SWITCH FAILURE
WHEN MONITORED
Monitored any time the ignition is ON.
SET CONDITION
The BCM has sensed a shorted mute switch for 20 seconds. Note: This is a stored code and will not clear itself until after 20 key cycles.
POSSIBLE CAUSES
- Left remote radio switch
- Right remote radio switch
- Radio control ground circuit open
- Radio control MUX circuit open
- Radio control MUX circuit short to voltage
- Radio control MUX circuit short to ground
- BCM-radio control