Code result
P0862
Gear Shift Control Module A Communication Circuit High
High severity
What it means
The gear shift control module A communication circuit reports a communication circuit high condition. Shift command exchange is impaired.
Is it safe to drive?
No — stop driving
This code can put the vehicle into limp or reduced-power mode. Avoid extended driving and have the vehicle diagnosed promptly.
Most likely causes
Bus wire shorted to B+
highOne of the most commonly reported causes for this code — check this first.
Module output high
mediumA plausible cause — test and verify before replacing parts.
Gateway module routing CAN messages incorrectly
lowLess common, but worth ruling out after the more likely causes.
Related help
Get the full diagnosis
Add your vehicle and see step-by-step repair help, recalls, and TSBs in Wrenchify.
Diagnose P0862 freeNo credit card required