Powertrain
Definition only
Lights the check engine lamp
P287C: Transmission Adaptive Values Not Learned
Standardized SAE J2012 code · P28xx codes
What does P287C mean?
The TCM has not learned the adaptive shift values needed for refined gear changes. The transmission operates with default values until adaptation completes.
The code tells you which monitor failed, not which part is broken. Test before replacing parts.
Symptoms
- Check engine or transmission warning light on
- Harsh, delayed, or missing shifts
- Possible limp mode (locked in one gear)
- Slipping or shuddering during gear changes
Common causes
- High Adaptation lost after battery disconnect or TCM reset
- Medium Following major transmission repair
Likelihood is a general estimate across vehicles; your make and model may differ.
Add your car to see reports of P287C on the same make and model first.
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