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U120C Diagnostic Trouble Code Discussion for June 2025

DVD-ROM MECHA Detect


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Trouble Ticket Help Requests for DTC U120C
Help Request Posted
2018 Jeep Wrangler Unlimited Sport 3.6L u codes VIN: 1C4HJXDG1J
U120C: lost brake booster signal. hey guys customer stated that vehicle would not shut off lost speedometer and other guages besides the codes i listed a lot more u codes we reinstalled the factory radio on a hubnch no help any ideasthanks
June 09, 2025