What does code P2788 mean?

Q: What does code P2788 mean?

Auto Shift Manual Adaptive Learning at Limit. P2788 means the transmission control module (TCM) has reached the outer limit of its adaptive learning strategy for the automated manual gearbox. The computer has been adjusting clutch engagement and shift timing to compensate for wear or variation, and it can no longer make a correction large enough to keep shifts within specification.

DTC codes / P27xx · Transmission / P2788

P2788Auto Shift Manual Adaptive Learning at Limit

P2788 means the transmission control module (TCM) has reached the outer limit of its adaptive learning strategy for the automated manual gearbox. The computer has been adjusting clutch engagement and shift timing to compensate for wear or variation, and it can no longer make a correction large enough to keep shifts within specification.

SystemPowertrain

Code typeGeneric (all makes)

SeverityMedium

Fix difficultyProfessional

AreaTransmission

Guidance is general and written for all OBD-II vehicles. Exact tests and values vary by model, so confirm the fault before replacing parts.