P085C OBD-II: Gear Shift Control Module "B" Communication Circuit High
Get diagnosis and repair information for trouble code P085C
OBD II Fault Code
- OBD II P085C
OBD-II Code Transmission may not shift properly is defined as a Gear Shift Control Module "B" Communication Circuit High
The Transmission Control Module (TCM) and the engine computer (PCM) constantly talk to each other to ensure that the driver's request for performance is met. If the TCM and PCM fail to communicate, code P085C is stored.
Transmission may not shift properly Symptoms
- Engine may not start
- Transmission may not shift properly
Common Problems That Trigger the P085C Code
- Powertrain Control Module (PCM) failure
- Transmission Control Module (TCM) failure
- Wiring issue
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