Test Point 17

Fault, DTC 5265 Test Point 17

Switch-over valve

Possible causes, elimination, notes

The complete hydraulic unit must be replaced if the switch-over valve is damaged.

In the switch-over valve test with the Porsche System Tester 2, select switch-over valve in the Drive links menu and perform the test according to the Tester instructions.

If the functions specified in the Tester display: Rear axle locked up / Rear axle free are not achieved, the following faults are possible.

Brake not actuated at the start of the test

Test sequence not observed

Function of the switch-over valve not OK