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Home >> Jeep >> 1999 >> Grand Cherokee 4WD V8-4.7L VIN N >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Relays and Modules - Computers and Control Systems >> Body Control Module >> Testing and Inspection >> Symptom Related Diagnostic Procedures >> Audio >> Radio Dimming Shorted High
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Radio Dimming Shorted High

SYMPTOM
RADIO DIMMING SHORTED HIGH

WHEN MONITORED
Ignition in "RUN" and IOD fuse/connector installed.

SET CONDITION
The BCM is trying to activate the radio dimming output. (Park lamps on and parade mode requested). The fault is set when the BCM pulls this input low and excessive current is sinked into the BCM.

POSSIBLE CAUSES
- Radio dimming shorted high
- Dimmer section of radio
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