What does code P0735 mean?

Q: What does code P0735 mean?

Gear 5 Incorrect Ratio. P0735 means the transmission control module (TCM) commanded fifth gear but the measured ratio between engine speed and output shaft speed did not match the programmed fifth-gear ratio. The computer compares input and output speed sensors and flags the code when the calculated slip exceeds its calibrated threshold for a set time.

DTC codes / P07xx · Transmission / P0735

P0735Gear 5 Incorrect Ratio

P0735 means the transmission control module (TCM) commanded fifth gear but the measured ratio between engine speed and output shaft speed did not match the programmed fifth-gear ratio. The computer compares input and output speed sensors and flags the code when the calculated slip exceeds its calibrated threshold for a set time.

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.