P0912 - OBD II Trouble Code

January 31, 2017

Our automotive experts have put together the following information about the P0912 diagnostic trouble code. We've provided the common symptoms that occur when this code is set along with the frequent repairs that address the issues related to the P0912 code.

OBD II Fault Code

  • OBD II P0912

OBD-II Code Transmission Control Module (TCM) failure is defined as a Gate Select Actuator Circuit Low

Manual Transmissions have a Gate Select Actuator on the shift lever assists the Transmission in shifting gears. If the Gate Select Actuator does not respond as requested, code P0912 is stored. The Gate Shift Actuator is usually built into the Shift Lever Assembly.

Common Problems That Trigger the P0912 Code

  • Shift lever assembly failure
  • Transmission Control Module (TCM) failure
  • Wiring issue

About the Author

Brad Kava is an automotive expert at RepairPal, the leading online source of auto repair resources and estimates. With many ASE Master certified mechanics on staff who have decades of experience, RepairPal knows all the fine points of car repair.

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