0643

The voltage supply of the speed sensors is faulty. ( Overvoltage )


Possible cause:

- Local overvoltage of component Speed sensors
Affected functions:

- Automatic transmission Function

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Test 1: Remedial action if faulty voltage supply to rpm sensors ( Overvoltage )

1. Remedial action if faulty voltage supply to rpm sensors ( Overvoltage )
Operation number of operation texts and work units or standard texts and flat rates:27-0641Cause

- The voltage supply of the speed sensors is faulty.(Overvoltage)
REMEDY

- Disassemble and assemble automatic transmission using the repair instructions.
- Exchange electrohydraulic control unit.
Notes on submitting warranty or goodwill claimsSEAG damage code (7 digits): 54553 73IMPORTANT NOTEFollowing the repair measures, the following checks MUST be carried out using the Diagnosis Assistance System, menu 'Initial startup'

- Initial startup with manual settings input for new control unit
Continue with button "F2"







Warning!Communication with ECU required.