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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 >> Fog Lamps Will Not Turn On

Fog Lamps Will Not Turn On

Test 1 - 3:




Test 4 - 9:




Test 10 - 13:






SYMPTOM
FOG LAMPS WILL NOT TURN ON

POSSIBLE CAUSES
- Junction block fog lamp relay output circuit
- Fog lamp switch sense shorted
- Open B(+)
- Fog lamp relay output CKT open
- Fog lamp relay
- Fog lamp relay CTL CKT open
- Fog lamp relay CTL CKT shorted to ground
- BCM fog lamp relay control
- BCM fog lamp sense shorted
- Fog lamp switch open/shorted
- Fog lamp relay output wire short to ground
- Fuse # 24