P0781
1-2 Shift Malfunction
Generic code
Transmission System
High severity
Hard repair
Free on OBD DashX
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What P0781 means
- The fault code P0781 indicates that there is a problem with the transmission 1-2 shift operation. This fault may cause a variety of transmission-related issues.
Possible symptoms
- Harsh or delayed shifting
- Transmission slipping or not engaging
- Transmission overheating
- Illuminated check engine light
- Reduced fuel efficiency
- Transmission stuck in one gear.
Possible causes
- Low transmission fluid level
- Dirty or contaminated transmission fluid
- Malfunctioning shift solenoid A
- Faulty transmission control module (TCM)
- Malfunctioning valve body
- Worn or damaged clutch plates
- Broken or damaged transmission gears
Related parts
- Transmission Shift Sensor: Gear Shift Sensor communicates the position the gear shifted to. Problems lead to difficulty in shifting gears
Possible solutions
- Check and refill the transmission fluid to the proper level
- Change the transmission fluid and filter
- Replace the shift solenoid A
- Replace the transmission control module (TCM)
- Repair or replace the valve body
- Replace the worn or damaged clutch plates
- Repair or replace the broken or damaged transmission gears
Free on OBD DashX
P0781 on OBD DashX
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