Error 5066 - Power supply to the ABS pump solenoid valves


Reading error codes in a car is a crucial step in diagnosing problems with various vehicle systems, such as the engine, braking system, steering system, and other electronic systems.

Reading error codes with a diagnostic scanner. This is an electronic device that connects to the OBD-II (On-Board Diagnostics II) connector, usually located under the dashboard. Once connected, the scanner can read error codes recorded by various vehicle control modules. These codes are usually numbers that indicate specific problems or malfunctions in individual systems.

If you connected a diagnostic computer and received an error code 5066 this means that the driver ABS pump is probably damaged.

Error description 5066:

Power supply to the ABS pump solenoid valves


Error symptoms 5066:

  • ABS/ESP/BAS/DSC lights are on
  • No communication
  • Creates interference, short circuit


It is found in cars such as:

  • ATE MK61 - Mercedes-Benz CL, S-klasa, C-klasa, GLK, W221 (2005-2013), W204 (2007-2014)


Solving the problem 5066:



Błąd 5066 -