P1811
Maximum Adaptive & Long Term Shift
Severity
⚠️ MediumCan you drive?
Limited driving only, diagnose soon
Approx. repair cost
$17–89 (est.)
Symptoms
- Hard or delayed gear shifts
- Dips when switching
- Increased speed before shifting
- Transmission overheating
- Check Engine light comes on
Causes
- Wear of friction elements of the gearbox
- Low or contaminated transmission fluid
- Shift solenoids malfunction
- Hydraulic pressure problems
- Wear of transmission mechanical components
How to Fix
- Check the level and condition of the transmission fluid
- Replace fluid and filter if necessary
- Carry out diagnostics of switching solenoids
- Check the hydraulic pressure in the system
- Perform gearbox adaptation using a scanner