P0781
1-2 Shift
P0781 is an OBD-II diagnostic trouble code meaning: 1-2 Shift. Common causes: low transmission fluid level, contaminated transmission fluid. Estimated repair cost: $17–89.
Symptoms
- Delays when switching to second gear
- Jerks when shifting gears
- Gear won't shift to second
- Increased engine speed before shifting
- Check Engine light comes on
Causes
- Low transmission fluid level
- Contaminated transmission fluid
- Shift solenoid malfunction
- Mechanical problems in the gearbox
- Problems with the electronic control unit
How to Fix
- Check the level and condition of the transmission fluid
- Replace transmission fluid and filter if necessary
- Check operation of shift solenoids
- Diagnose the mechanical condition of the gearbox
- Check the electronic transmission control unit
Related codes
Error P0781 by Vehicle Brand
FAQ
What does the P0781 code mean?
P0781 is an OBD-II diagnostic trouble code that indicates: 1-2 Shift
What causes a P0781 error code?
The most common causes of P0781 include: Low transmission fluid level; Contaminated transmission fluid; Shift solenoid malfunction; Mechanical problems in the gearbox.
How do I fix a P0781 diagnostic trouble code?
To fix P0781: Check the level and condition of the transmission fluid. Replace transmission fluid and filter if necessary. Check operation of shift solenoids. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P0781?
Limited driving only, diagnose soon
How much does it cost to fix P0781?
The estimated repair cost for P0781 is $17–89. Actual cost depends on your vehicle, location, and labor rates.
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