P0928 Code - Gear Shift Lock Solenoid/Actuator Control Circuit 'A'/Open

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

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    fault code Administrator Staff Member

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    What does P0928 Mean?

    The Transmission Control Module (TCM) monitors the Gear Shift Lock Solenoid. The TCM sets the OBDII code when the Gear Shift Lock Solenoid is not to factory specifications.

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    What are the common causes of P0928 ?

    • An air leak forward of the DPF will change the sensor readings resulting in the code
    • Rusty exhaust systems, cracked exhaust manifolds or damaged or missing gaskets or donuts will cause air leaks.
    • Fuel with a large percentage of sulfur will clog the DPF quickly
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    How do you troubleshoot P0928 ?

    The valves of each cylinder are kept closed using a pair of arms that replace the conventional engine's roller-type rocker arm. P0928 code one of these arms follows the cam profile while the second arm connects to the valves. During normal engine operation the two arms are joined by a locking pin.

    Searches related to P0928 Code - Gear Shift Lock Solenoid/Actuator Control Circuit 'A'/Open
    • P0928
    • P0929
     

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