P1898
CVT Driven Pulley Pressure Control Valve Stuck
Severity
🔴 HighCan you drive?
Do not drive — repair immediately
Approx. repair cost
$28–133 (est.)
Symptoms
- Gear shifting problems
- Jerks when moving
- Check Engine Light Illuminates
- Power reduction
- Unstable engine operation
Causes
- Pressure valve stuck
- Hydraulic fluid contamination
- Electrical wiring problems
- Transmission control unit malfunction
- Mechanical valve wear
How to Fix
- Check the level and condition of the transmission fluid
- Diagnose the electrical circuit of the valve
- Clean or replace pressure valve
- Check the operation of the transmission control unit
- Replace valve if necessary