P0966

2017-10-10

Description:

  • The fault code P0966 indicates that there is an issue with the control circuit for the pressure control solenoid 'B' in the transmission. This may cause issues with shifting or the vehicle not moving at all.

Possible Symptoms:

  • Harsh shifting or inability to shift

  • Transmission slipping or not engaging

  • Illuminated check engine light

  • Reduced acceleration or power

Possible Causes:

  • Failed pressure control solenoid 'B'

  • Faulty wiring or connections in the control circuit

  • Loose or corroded electrical connections

  • Failed transmission control module (TCM)

Related Parts:

  • Pressure Control Solenoid: This solenoid regulates the oil flow in the transmission. Problems with this solenoid lead to engine misfire, poor fuel economy, poor acceleration

Possible Solutions:

  • Replace the pressure control solenoid 'B'

  • Check and repair any damaged wiring or connections

  • Tighten or clean any loose or corroded electrical connections

  • Replace the transmission control module (TCM) if necessary

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