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2012 Grand Cherokee Headlamp

Glenn Owner/Technician New Sharon, Maine Posted Latest Edited

Question

Electrical

2012 Jeep Grand Cherokee Laredo 3.6L (ERB) 5-spd (W5A580)

B162C

Left Headlamp Out

Left headlamp circuit high? Anyone have a good test procedure? b162c code.

Glen Owner/Technician

Arthur, Illinois

Glen Default

Follow the pinpoint test in SI for the B162C

+2 Default Ð Bounty Awarded

Darren Technician

Oklahoma City, Oklahoma

Darren Default

Try a new bulb or the bulb from the right headlamp. Is this vehicle HID and auto leveling ? If so I have a good used assembly for sale , if that’s what’s needed.

0 Default Ð Bounty Awarded

Stephen Owner/Technician

Santa Cruz, California

Stephen Default

Check rear lamps. We got spun around once by a front control module high RH headlamp circuit code that turned out to be a broken rear brake filament that came to rest on the intact tail filament and caused a short-to-power that bled upstream to the headlamp circuit.

0 Default Ð Bounty Awarded

Gary Technical Support Specialist

Barrington , New Jersey

Gary Default

Glenn check that headlight ground. Also Check the headlight positive with harness unplugged and key on and light switch off check and see if there is 5 volts. With a good bulb and good ground that will get pull down when plugged in to the bulb.

0 Default Ð Bounty Awarded