P0979

2017-10-10

Description:

  • The fault code P0979 indicates that there is an issue with the shift solenoid 'C' control circuit, which is responsible for controlling the transmission's third gear. This may cause the vehicle to experience shifting problems or not shift at all.

Possible Symptoms:

  • Vehicle may not shift into third gear

  • Delayed or harsh shifting

  • Reduced acceleration or power

  • Illuminated check engine light

Possible Causes:

  • A faulty shift solenoid 'C'

  • A damaged or corroded wiring or connector in the circuit

  • A failed transmission control module (TCM)

Related Parts:

  • Shift Solenoid: It helps to change gears in automatic transmission cars. A bad solenoid causes difficulty in shifting gears

Possible Solutions:

  • Replace the shift solenoid 'C'

  • Inspect and repair the wiring or connector in the circuit

  • Check and clean any corroded electrical connections

  • Replace the transmission control module (TCM) if necessary

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