P0783

3-4 Shift

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$22–167 (est.)

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

P0780 P0781 P0782