P0729

2017-10-10

Description:

  • The fault code P0729 indicates that the transmission is operating in an improper gear ratio on the 6th gear. This may cause the engine to run poorly or not start at all.

Possible Symptoms:

  • Illuminated check engine light

  • Hesitation or jerking during acceleration

  • Delayed or erratic shifting

  • Inability to shift into or out of the 6th gear

Possible Causes:

  • Malfunctioning shift solenoids

  • Failed transmission control module (TCM)

  • Low transmission fluid levels

  • Damaged or worn out clutch components

Related Parts:

  • Transmission Shift Sensor: Gear Shift Sensor communicates the position the gear shifted to. Problems lead to difficulty in shifting gears

Possible Solutions:

  • Replace malfunctioning shift solenoids

  • Replace the transmission control module (TCM) if necessary

  • Check and add transmission fluid as needed

  • Repair or replace damaged or worn out clutch components

Search