P0758 Code: Meaning, Causes, and Symptoms | OBD2 Codes

P0758 – Shift Solenoid ‘B’ Electrical


P0758: DIY Repairing Video Tutorial


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P0758 Possible Symptoms

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

P0758 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 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.