A vehicle’s gearshift module communication circuit helps the ECU to determine that what gear has been selected, and how it should set up the engine and shift timing for efficient operation. If a vehicle has a P0860 DTC, there is a communication error between the gear shift and the ECU.
Need a replacement transmission? Get an estimate for replacement transmissions and local installation. Look up your transmission model by vehicle make and model.
What Transmission Do I Have?
How Serious is the Code?
If your vehicle has a P0860 diagnostic trouble code, the transmission problems associated with it can seriously impact the safety and drivability of your vehicle.
Symptoms
Symptoms of a P0860 include:
- Traction control warning lamp may be illuminated
- Rough shifting
- Failed gear engagement
- Limp mode
Causes
- Damaged wiring and/or connectors
- Failed manual lever position sensor
- Failed gearshift module sensor
- Failed gear shifter assembly
How to Diagnose the Code?
The first step to diagnosing a P0860 OBDII trouble code, is to carefully check the condition of the wiring and connectors. The manual lever position sensor and gearshift assembly should all be carefully checked and tested if no electrical problems are found.
Need a replacement transmission? Get an estimate for replacement transmissions and local installation. Look up your transmission model by vehicle make and model.
What Transmission Do I Have?
What Repairs Will Fix P0860?
- Repair or replace damaged wiring on the transmission wiring harness
- Replace or repair broken/corroded connectors
- Replace transmission control module
Related Codes
N/A
