OBD II Fault Code

  • OBD II P07AB

OBD-II Code Transmission may not shift properly is defined as a Transmission Friction Element "E" Stuck On

The Hybrid Control Module monitors the transmission clutch for proper operation. If the Control Module detects the clutch is not releasing as commanded, code P07AB will be set. The hybrid control module may also place the vehicle in "limp home", limiting available engine/transmission performance to prevent additional damage.

Transmission may not shift properly Symptoms

  • Engine may enter limp home mode (reduced performance)
  • Transmission may not shift properly

Common Problems That Trigger the P07AB Code

  • Internal transmission failure
  • Transmission fluid level is low
  • Transmission valve body solenoid failure
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