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To check the vehicle health (breakdowns, obd faults, wears, pollution, battery) easily and in a few seconds.

49,00 € 39,00 €

C1117 – GMC

Code : C1117
Make : GMC
Description : C1117 GMC Manual Trailer Brake Apply Request Signal 2 Malfunction
Possible causes :
– Faulty Manual Trailer Brake Apply Request Switch
– Manual Trailer Brake Apply Request Switch harness is open or shorted
– Manual Trailer Brake Apply Request Switch circuit poor electrical connection
– Faulty Chassis Control Module
Solutions :
– Carry out a Reset via CarDiag
– Choose a better quality fuel
– Check that the tank cap is securely closed
– Check the oil level and add more if it is lower than MAX
– Restart an Automatic diagnostic via CarDiag
– If the fault persists, you can check the “Possible causes” listed above : visually inspect (by yourself (tutorials to come) or by a professional) the wiring harness and the associated connectors, check for damaged components, and look for broken, bent, pushed, or corroded connector pins.

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