What does code P0396 mean?

Q: What does code P0396 mean?

Cylinder 1 Pressure Sensor Circuit Range/Performance. P0396 means the engine computer has detected that the signal from the cylinder 1 pressure sensor is outside its expected range or is not performing as designed. The sensor is used on engines with cylinder pressure sensing for combustion feedback, and the computer compares the signal against what it expects under current operating conditions.

DTC codes / P03xx · Ignition system and misfire / P0396

P0396Cylinder 1 Pressure Sensor Circuit Range/Performance

P0396 means the engine computer has detected that the signal from the cylinder 1 pressure sensor is outside its expected range or is not performing as designed. The sensor is used on engines with cylinder pressure sensing for combustion feedback, and the computer compares the signal against what it expects under current operating conditions.

SystemPowertrain

Code typeGeneric (all makes)

SeverityMedium

Fix difficultyIntermediate

AreaIgnition system and misfire

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