Code result
U3002
Vehicle Identification Number
Moderate severity
What it means
The control module reports a problem with the stored Vehicle Identification Number (VIN) — missing, mismatched between modules, or invalid format.
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 mismatch after module replacement
highOne of the most commonly reported causes for this code — check this first.
VIN not programmed in replacement module
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
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