P0903

2017-10-10

Description:

  • The fault code P0903 indicates that there is an issue with the circuit that controls the clutch actuator. This may cause the vehicle to shift poorly or not at all.

Possible Symptoms:

  • Poor or no shifting ability

  • Illuminated check engine light

  • Transmission may get stuck in one gear

  • Reduced vehicle performance or acceleration.

Possible Causes:

  • Failed clutch actuator

  • Faulty wiring or connections in the circuit

  • Loose or corroded electrical connections

  • Failed transmission control module (TCM)

Related Parts:

  • Clutch Actuator: An electric actuator is used in engaging the clutch of a manual transmission car when the clutch is pressed. Problems lead to inefficient clutch operations and difficulty in gear shifting

Possible Solutions:

  • Replace the clutch actuator

  • 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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