P0787 - OBD II Trouble Code

Our automotive experts have put together the following information about the P0787 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 P0787 code.

What Does P0787 Code Mean?

OBD-II Code P0787 is defined as a Shift Timing Solenoid "A" Low

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 shift solenoid is not performing as desired, it will set code P0787.

P0787 Symptoms

• Increased fuel consumption
• Transmission may not shift properly

Common Problems That Trigger the P0787 Code

• Transmission Control Module (TCM) failure
• Transmission fluid level is low
• Transmission shift solenoid failure
• Transmission valve body failure
• Wiring issue