P0756 MERCEDES-BENZ Code: Meaning, Causes, and Symptoms | OBD2 Codes

P0756 MERCEDES-BENZ – Shift Solenoid ‘B’ Performance or Stuck Off


P0756: DIY Repairing Video Tutorial


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P0756 MERCEDES-BENZ Possible Symptoms

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

P0756 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  

P0756 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.