OBD Code P0756

Shift Solenoid “B” Performance or Stuck Off

What’s mean?

OBD2 Code P0756 Definition:
Shift solenoid valve B is turned ON or OFF by the Transmission Control Module (TCM) in response to signals sent from the park/neutral position (PNP) switch, vehicle speed and Engine Control Module (ECM) (throttle opening). Gears will then be shifted to the optimum position.

Symptoms

Possible sumptoms of P0756
– Engine Light ON (or Service Engine Soon Warning Light) – Transmission will not shift gears.

Possible Causes

Possible causes of P0756
– Low transmission fluid level – Dirty transmission fluid – Faulty shift solenoid B valve – Shift solenoid B valve harness or connectors – Shift solenoid B valve circuit is open or shorted The Error code is generally activated on detection of the following conditions: The P0756 code is detected when the ECM has detected a mechanical fault with the solenoid energized, valve stuck off

Possible Solutions