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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 >> High Beam Headlamps Will Not Turn Off

High Beam Headlamps Will Not Turn Off

Test 1 - 4:




Test 5 - 8:






SYMPTOM
HIGH BEAM HEADLAMPS WILL NOT TURN OFF

POSSIBLE CAUSES
- High beam relay control wire short to ground
- Junction block high beam control short to ground
- Left multi-function switch flash to pass circuit
- Left multi-function switch high beam sense circuit shorted
- High beam relay output shorted B+
- High beam relay
- High beam switch sense shorted
- BCM DEF high beam switch sense shorted
- BCM high beam relay control shorted