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Home >> Jeep >> 2003 >> Grand Cherokee 2WD V8-4.7L >> Repair and Diagnosis >> A L L Diagnostic Trouble Codes ( DTC ) >> Testing and Inspection >> Manufacturer Code Charts >> Exterior Lighting >> Headlamp Switch Shorted to Ground

Headlamp Switch Shorted to Ground

Test 1 - 3:






SYMPTOM
HEADLAMP SW SHORT TO GROUND

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

SET CONDITION
This DTC sets if the BCM detects voltage on the MUX circuit below 0.3 volts.

POSSIBLE CAUSES
- Headlamp switch MUX shorted
- Left multi-function switch shorted
- BCM