P0773 - OBD II Trouble Code

January 31, 2017

Our automotive experts have put together the following information about the P0773 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 P0773 code.

What Does P0773 Code Mean?

OBD-II Code P0773 is defined as a Shift Solenoid "E" Electrical

The Transmission Control Module (TCM) uses Shift Solenoids to control the hydraulic pressure in the transmission which is needed to apply the various clutch packs in the transmission that provide the different gear ratios needed to efficiently propel the vehicle down the roadways. When the TCM detects a pressure control solenoid is not performing as desired, it will set code P0773.

P0773 Symptoms

  • Increased fuel consumption
  • Transmission may not shift properly

Common Problems That Trigger the P0773 Code

  • Transmission Control Module (TCM) failure
  • Transmission fluid level is low
  • Transmission shift solenoid 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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