P0784

4-5 Shift

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$17–167 (est.)

Symptoms

Difficulty switching between 4th and 5th gears
Jerks when shifting gears
The gearbox goes into emergency mode
Increased fuel consumption
Check Engine light comes on

Causes

Low or contaminated transmission fluid
Shift solenoids malfunction
Problems with the hydraulic control unit
Wear of mechanical components of the gearbox
Malfunction of speed sensors

How to Fix

Check the level and condition of the transmission fluid
Diagnose the operation of switching solenoids
Check the hydraulic pressure in the system
Scan the transmission for additional errors
If necessary, replace faulty components

Related codes

P0780 P0781 P0782 P0783