P0931 Code - Gear Shift Lock Solenoid/Actuator Control Circuit 'A' High

Discussion in 'P - Powetrain Codes' started by fault code, Mar 31, 2018.

  1. fault code

    fault code Administrator Staff Member

    May 11, 2017
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    What does P0931 Mean?

    The P0931 code is a generic OBD-II trouble code that notes a voltage reading problem with the gear shift lock solenoid circuit. The gear shift lock solenoid is responsible for making sure that the automatic transmission is unable to move out of the Park position unless the brake pedal is deployed. When the system detects that the brake pedal has been pressed, the gear shift lock solenoid allows the shifter to move from Park into Drive or Reverse. If the powertrain control module (PCM) detects that the voltage reading from the gear shift lock solenoid circuit is abnormally high, then the P0931 code will be stored.

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    What are the common causes of P0931 ?
    • Rough running engine due to misfiring plugs. Many engines have misfire codes to indicate the cylinder effected, such as P0307 for number 7.
    • Rarely - faulty Powertrain Control Module (PCM-programming required after replacement)
    • Faulty IMRC actuator relay (if equipped)

    How do you troubleshoot P0931 ?

    While fuel economy was increased, acceleration was seriously compromised, and the loss of engine vacuum led to a dangerous loss of braking assist when the P0931 code system was in four-cylinder mode. In addition to these issues, while the company proposed a hydraulically controlled system that could be switched from within the car, the version they implemented had to be manually changed in the engine compartment using hand tools.

    Searches related to P0931 Code - Gear Shift Lock Solenoid/Actuator Control Circuit 'A' High
    • P0931
    • P0932

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