Operation CHARM: Car repair manuals for everyone.

Remote Radio Switch Open

Tests 1 - 2:




Tests 3 - 4:




SYMPTOM
REMOTE RADIO SWITCH OPEN

WHEN MONITORED
Continuously.

SET CONDITION
The BCM senses voltage above 4.82 volts on its radio control MUX input.

POSSIBLE CAUSES
- Open clockspring
- Open radio control MUX circuit
- Open radio control MUX return circuit
- Body control module