What does code P2801 mean?

Q: What does code P2801 mean?

Transmission Range Sensor B Circuit Range/Performance. P2801 indicates that the transmission control module (TCM) has detected an out-of-range or performance fault in the circuit for Transmission Range Sensor B, which is often the output speed or range confirmation signal. The computer compares the sensor's signal against expected values from other sensors and sets this code when the signal is erratic, stuck, or inconsistent with the vehicle's operating state.

DTC codes / P28xx · Transmission / P2801

P2801Transmission Range Sensor B Circuit Range/Performance

P2801 indicates that the transmission control module (TCM) has detected an out-of-range or performance fault in the circuit for Transmission Range Sensor B, which is often the output speed or range confirmation signal. The computer compares the sensor's signal against expected values from other sensors and sets this code when the signal is erratic, stuck, or inconsistent with the vehicle's operating state.

SystemPowertrain

Code typeGeneric (all makes)

SeverityMedium

Fix difficultyIntermediate

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.