P0776 Code - Pressure Control Solenoid 'B' Performance or Stuck Off

Discussion in 'P - Powetrain Codes' started by fault code, Mar 21, 2018.

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    fault code Administrator Staff Member

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    What does P0776 Mean?

    The catalytic converter has an oxygen sensor in front and behind it. When the vehicle is warm and running in closed loop mode, the upstream oxygen sensor waveform reading should fluctuate. When you see P0776 engine fault code on your engine code reader this description will help you.

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    What are the common causes of P0776 ?

    Common causes include a faulty electronic pressure control solenoid, hydraulic blockages inside the internal transmission fluid passages, mechanical internal transmission failures, low transmission fluid, dirty or contaminated transmission fluid, a faulty PCM or transmission control module.



    How do you troubleshoot P0776 ?

    If all testing has passed so far yet you still have the same code, check your scan tool and see if it can open and close the IMRC valve. If the engine displays a miss and there wasn't a code, determine which cylinder is misfiring. If the exhaust manifold is visible, spay or pour a small amount of water on each cylinder exhaust port. Water will evaporate immediately on good cylinders and slowly on the missing cylinder. If this can't be accomplished pull the plugs and check the condition. Look for damage to the tank indicating impact that may have damaged the fuel pump or sender.

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