P0783
3-4 Shift
P0783 is an OBD-II diagnostic trouble code meaning: 3-4 Shift. Common causes: low or contaminated transmission fluid, shift solenoid malfunction. Estimated repair cost: $22–167.
Symptoms
- Delay when switching from 3rd to 4th gear
- Sudden or harsh gear shifts
- Car won't shift into 4th gear
- Emergency operation mode of automatic transmission
- Increased fuel consumption
Causes
- Low or contaminated transmission fluid
- Shift solenoid malfunction
- Problems with the automatic transmission hydraulic unit
- Friction disc wear
- Malfunction of speed or position sensors
How to Fix
- Check the level and condition of the transmission fluid
- Diagnose the operation of switching solenoids
- Check the pressure in the hydraulic system
- Scan errors in the automatic transmission control unit
- If necessary, replace faulty components
Related codes
Error P0783 by Vehicle Brand
FAQ
What does the P0783 code mean?
P0783 is an OBD-II diagnostic trouble code that indicates: 3-4 Shift
What causes a P0783 error code?
The most common causes of P0783 include: Low or contaminated transmission fluid; Shift solenoid malfunction; Problems with the automatic transmission hydraulic unit; Friction disc wear.
How do I fix a P0783 diagnostic trouble code?
To fix P0783: Check the level and condition of the transmission fluid. Diagnose the operation of switching solenoids. Check the pressure in the hydraulic system. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P0783?
Limited driving only, diagnose soon
How much does it cost to fix P0783?
The estimated repair cost for P0783 is $22–167. Actual cost depends on your vehicle, location, and labor rates.
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