P0719

2017-10-10

Description:

  • The fault code P0719 indicates that there is a low signal from the torque converter/brake switch B circuit. This may cause problems with the transmission shifting and may also illuminate the check engine light.

Possible Symptoms:

  • Transmission may not shift properly

  • Illuminated check engine light

  • Harsh shifting or slipping transmission

  • Reduced fuel economy

Possible Causes:

  • Faulty torque converter/brake switch B

  • Damaged or corroded wiring in the circuit

  • Blown fuse in the circuit

  • Failed transmission control module (TCM)

Related Parts:

  • Brake Switch Circuit: Brake switch is responsible for engaging and disengaging the brakes on the tires when brakes are applied. Problems lead to inefficient braking

Possible Solutions:

  • Replace the faulty torque converter/brake switch B

  • Check and repair any damaged or corroded wiring in the circuit

  • Replace any blown fuses in the circuit

  • Replace the transmission control module (TCM) if necessary

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