OBD Code P0755

Shift Solenoid “B”

What’s mean?

OBD2 Code P0755 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 P0755
– Engine Light ON (or Service Engine Soon Warning Light) – Transmission will not shift gears.

Possible Causes

Possible causes of P0755
– 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 P0755 code is detected when TCM detects an improper voltage drop when it tries to operate the solenoid valve.

Possible Solutions