P074C

Unable To Engage Gear 4

Severity

🔴 High

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$56–278 (est.)

Symptoms

Car won't shift into 4th gear
The gearbox goes into emergency mode
Increased fuel consumption
Unstable engine operation when driving at high speeds

Causes

Low or contaminated transmission fluid
4th gear shift solenoid malfunction
Transmission hydraulic system problems
Worn clutches 4th gear
Problems with the electrical control circuit

How to Fix

Check the level and condition of the transmission fluid
Diagnose the operation of gear shift solenoids
Check the transmission control circuits
Perform hydraulic system diagnostics
If necessary, repair or replace gearbox components

Related codes

P074D P0740 P0734