OBD-II code · Powertrain (generic, extended)
P287C Transmission Adaptive Values Not Learned
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 with P287C?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelyAdaptation lost after battery disconnect or TCM reset
- PossibleFollowing major transmission repair
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
Repair at a glance
- Difficulty
- Easy
- DIY friendly
- Best left to a mechanic
- Typical labour
- 0.5–2 h
- Emissions test
- Usually unaffected
- After the fix
- A drive cycle is needed before the light stays off
- Parts involved
- Tcm
Related codes
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.