What does code P07AB mean?

Q: What does code P07AB mean?

Transmission Friction Element E Stuck On. P07AB means the transmission control module (TCM) has detected that friction element E — a clutch or brake inside the automatic transmission — is stuck in the applied position when it should be released. The TCM commands the element off and monitors engine speed versus output shaft speed, and the mismatch confirms the element is still holding.

DTC codes / P07xx · Transmission / P07AB

P07ABTransmission Friction Element E Stuck On

P07AB means the transmission control module (TCM) has detected that friction element E — a clutch or brake inside the automatic transmission — is stuck in the applied position when it should be released. The TCM commands the element off and monitors engine speed versus output shaft speed, and the mismatch confirms the element is still holding.

SystemPowertrain

Code typeGeneric (all makes)

SeverityHigh

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.