49 Excessive Speed Engine

P0701
49 Excessive speed engine
The CAN engine speed signal is checked to ascertain whether a limit value is exceeded. The aim of the fault detection is to detect a hydraulic or mechanical malfunction of the transmission.

NOTE: The frictional connection is interrupted by the Tiptronic control module.

Diagnosis conditions
- Ignition on
- Engine speed [>] maximum switch speed + offset (e.g. max. switch speed = 6000 rpm, offset = 500 rpm)

Possible fault cause
- Mechanical fault in the front planetary gears

Diagnosis/Troubleshooting