KlaroP0766
MODERATEShift Solenoid D Performance or Stuck Off
What this code means
Shift Solenoid D Performance or Stuck Off. Automatic or automated gearbox: ratios, clutches, speed sensors. These codes often come with a limp mode that locks the box in a single gear.
How to read this code
- PPowertrain
- 0standardised code
- 7Transmission
- 66P0766
The letter P names the system: Powertrain. The digit 0 that follows marks a standardised code, shared by all manufacturers code. The next digit, 7, locates the fault: transmission.
What to do
Have it checked this week. The car remains usable, but the fault will not clear itself and will fail the roadworthiness test.
Clearing a code switches the light off but repairs nothing: if the fault remains, the code comes back.