Code result
P287C
Transmission Adaptive Values Not Learned
Moderate severity
What it means
The TCM has not learned the adaptive shift values needed for refined gear changes. The transmission operates with default values until adaptation completes.
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
Adaptation lost after battery disconnect or TCM reset
highOne of the most commonly reported causes for this code — check this first.
Following major transmission repair
mediumA plausible cause — test and verify before replacing parts.
Related help
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