P2750 - OBD II Trouble Code

January 31, 2017

Our automotive experts have put together the following information about the P2750 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 P2750 code.

OBD II Fault Code

  • OBD II P2750

OBD-II Code Transmission may not shift properly is defined as a Intermediate Shaft Speed Sensor "C" Circuit Range/Performance

The Intermediate Shaft Speed Sensor tells the Transmission Control Module (TCM) how fast the intermediate shaft of the transmission is spinning so the correct gear can be engaged. When the TCM receives an inaccurate signal from this sensor, it can't properly shift the vehicle from gear to gear as the vehicle needs to change speed an rates of acceleration. The engine control module (PCM) or TCM will set this code.

Transmission may not shift properly Symptoms

  • Increased fuel consumption
  • Transmission may not shift properly

Common Problems That Trigger the P2750 Code

  • Intermediate shaft speed sensor failure
  • Powertrain Control Module (PCM) 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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