P0862

Gear Shift Control Module A Communication Circuit High

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–167 (est.)

Symptoms

Incorrect gear shifting
Check Engine light comes on
The gearbox goes into emergency mode
Delays when shifting gears
Loss of engine power

Causes

Damage to the shift module wiring harness
Short circuit in the circuit
Shift control module malfunction
Grounding problems
Interference in the electrical system

How to Fix

Check the integrity of the module wiring harness
Check the voltage in the communication circuit
Check module grounding
Replace the shift control module if necessary
Reset error and test drive

Related codes

P0860 P0861 P0863