Code result
P0631
VIN Not Programmed or Incompatible TCM
Moderate severity
What it means
VIN Not Programmed or Incompatible TCM: the control module has detected this fault condition.
Is it safe to drive?
Use caution
The vehicle is usually drivable for short distances, but the problem can worsen or affect emissions. Diagnose and repair as soon as practical.
Most likely causes
VIN field empty or mismatched
highOne of the most commonly reported causes for this code — check this first.
Related help
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