P0725

P0725

Engine speed [Engine Speed Input Circuit]

NOTE: The ignition must be switched off and then switched on again in order to display an error message in the instrument cluster.

Diagnostics conditions
- Ignition on
- Internal Tiptronic module function test
- Engine running

Possible cause of fault
- Signal from DME control module does not correspond to expected signal (please read out fault memory)
- Signal from DME control module does not appear on CAN drive (no signal/communication)

Affected pins
Tiptronic control module plug:
- Pin 34 'CAN drive (low)'
- Pin 46 'CAN drive (high)'

Diagnosis/troubleshooting G 0210

NOTE: If there is no incoming signal via the CAN drive using several control modules, the CAN drive must be checked for open or short circuits. Refer to 'Checking instructions/CAN data bus'.