P1CB1 JEEP - Gear Shift Actuator 1 Engage Failure
- Faulty Transmission Hydraulic System
- Transmission Mechanical Operation Problem
- Faulty Transmission Controller Module (TCM)
- Engine Light ON (or Service Engine Soon Warning Light)
P1cb1 Jeep DescriptionThis diagnostic checks for the proper response of the gear shift actuator 1st-3rd to the Transmission Controller Module (TCM) engage command. The gear shift actuator 1st-3rd is controlled by the TCM via the electrovalves PPV1 and PPV2. This diagnostic checks the position sensor 1st-3rd output to confirm that the gear shift actuator 1st-3rd has moved to the proper position when it is controlled by the TCM and that the gear has been engaged.
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