P1728
Transmission Slip Error
Severity
🔴 HighCan you drive?
Do not drive — repair immediately
Approx. repair cost
$56–278 (est.)
Symptoms
- Noticeable slippage when shifting gears
- Delays when shifting gears
- Unusual noises from the transmission
- Reduced power and acceleration
- Check Engine Light Illuminates
Causes
- Low transmission fluid level
- Worn friction discs
- Problems with shift solenoids
- Malfunction of speed sensors
- Leaks in the hydraulic system
How to Fix
- Check the level and condition of the transmission fluid
- Diagnose the gearshift solenoids
- Check transmission speed sensors
- Inspect the hydraulic system for leaks
- If necessary, replace worn friction discs