P0785 OBD-II: Shift Timing Solenoid "A"
P0785 Severity
Should you fix P0785 yourself?
Identifying an OBD code is just the start of a complete diagnostic routine. Most trouble codes are caused by a sensor reporting a value that is out of range. Just replacing a sensor may not fix underlying issues. Be sure to understand the code, the part or system in your car that the code refers to, and the risks of delaying professional repair.
Proper diagnosis will save you time and money on unnecessary repairs.
Urgent codes indicate immediate action is necessary. These are urgent and significant malfunctions that can cause severe damage to the vehicle or harm the driver and passengers.
What causes OBD-II fault code P0785?
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 P0785.
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What Does P0785 Code Mean?
OBD-II Code P0785 is defined as a Shift Timing Solenoid "A"
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 P0785.
P0785 Symptoms
- Increased fuel consumption
- Transmission may not shift properly
Common Problems That Trigger the P0785 Code
- Transmission Control Module (TCM) failure
- Transmission fluid level is low
- Transmission shift solenoid failure
- Transmission valve body failure
- Wiring issue
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