P284C

Shift Fork D Stuck

Severity

🔴 High

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$33–167 (est.)

Symptoms

Difficulty shifting gears
Inability to engage D gear
Clicking or grinding noises when shifting
Switching to emergency mode of the gearbox

Causes

Mechanical wear of the shift fork
Lack of transmission fluid
Damage to synchronizers
Oil contamination or thickening
Problems with the gear selection mechanism

How to Fix

Check the level and condition of the transmission fluid
Diagnose the gear shift mechanism
Replacing a damaged shift fork
Flushing and replacing transmission fluid
Adjusting the gear shift mechanism

Related codes

P284D P284B P2850