P0860

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2017-10-10

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Description:

• The fault code P0860 indicates that there is a problem with the communication circuit between the transmission control module (TCM) and the gear shift module. This may result in transmission shifting issues or failure to shift at all.

Possible Symptoms:

• Reduced or no response from transmission when shifting gears

• Illuminated check engine light

• Transmission stuck in one gear

• Harsh shifting or erratic shifting patterns

Possible Causes:

• Damaged or faulty wiring in the communication circuit

• Loose or corroded electrical connections

• Failed gear shift module

• Failed transmission control module (TCM)

Related Parts:

• Gear Shift Module: Gear shift module controls the gear shifting system. This car's module has a problem which may cause difficulty in shifting gears

Possible Solutions:

• Replace any damaged wiring in the communication circuit

• Tighten or clean any loose or corroded electrical connections

• Replace the gear shift module if necessary

• Replace the transmission control module (TCM) if necessary