P0758 MERCEDES-BENZ Code: Meaning, Causes, and Symptoms | OBD2 Codes

P0758 MERCEDES-BENZ – Shift Solenoid ‘B’ Electrical

 

P0758 MERCEDES-BENZ Possible Symptoms

 

Engine Light ON (or Service Engine Soon Warning Light),Transmission will not shift gears

 

P0758 MERCEDES-BENZ Possible Causes

 

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

 

P0758 MERCEDES-BENZ Description

 

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.