0734

The gear is implausible or the transmission is slipping. ( 4. gear )


Possible cause:

- Mechanical or hydraulic defect in the transmission ( 4. gear )
Affected functions:

- Automatic transmission Function

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Test 1: Possible causes and remedial action when fault code 0734 is displayed

1. Possible causes and remedial action when fault code 0734 is displayed
Check oil level in automatic transmission.
IMPORTANT NOTE

- Do not unplug the STAR DIAGNOSIS unit from the diagnostic socket during the procedure.
Possible cause and remedy

- The oil level in the automatic transmission is too low.
-
Possible remedy

- Check oil level in automatic transmission.
NOTE

- Refill oil in automatic transmission up to maximum oil level mark at oil temperature of 80° C.
- (Refer to repair instructions: automatic transmission 722.9)
Notes on submitting warranty or goodwill claimsSEAG damage code (7 digits): 27 001 75Question

- Is the fluid level in the automatic transmission OK?


YES
Preconditions

- The fluid level in the automatic transmission is OK.
Cause

- Control module has an internal error.
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.

NO
Preconditions

- The fluid level in the automatic transmission is not OK.
Remedy

- Inspect oil level, adjust to correct level if necessary.
NOTE

- Refill oil in automatic transmission up to maximum oil level mark at oil temperature of 80° C.
- (Refer to repair instructions: automatic transmission 722.9)
Notes on submitting warranty or goodwill claimsSEAG damage code (7 digits): 27 001 75Continue with button "F2"

Erase fault memory in control unit Y3/8n4 (Fully integrated transmission control (VGS) control unit)
Additional measures

- Erase fault memory in control unit Y3/8n4 (Fully integrated transmission control (VGS) control unit)
NOTE

- The fault memory is erased by pressing button "F2".
Continue with button "F2"

Warning!Communication with ECU required.