Passat Syncro Wagon V6-2771cc 2.8L DOHC (AHA) (1998)
Engine Control Module: Service and Repair
Engine Control Module, Coding
Code Control Module (scan tool function 07)
If vehicle-specific code is not displayed , or if the ECM has been replaced, the ECM must be coded as follows.
Special tools and equipment
VAG1551 or VAG1552 Scan Tool (ST) with VAG1551/3 adapter cable
Work sequence
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Connect VAG1551/VAG1552 Scan Tool (ST) and press buttons -0- and -1- to insert "Engine Electronics" address word 01 (ignition switched on).
See: Testing and Inspection/Reading and Clearing Diagnostic Trouble Codes/Scan Tool Connecting/With Manufacturer's Scan Tool/Connecting
VAG 1551 Scan Tool
Indicated on display
Rapid data transfer
HELP
Select function XX
-
Press buttons -0- and -7- to select "Code Control Module" function 07, and press -Q- button to confirm input.
Indicated on display
Code Control Module
HELP
Input code number XXXXX
(0-32000)
-
Input applicable code number for vehicle, and press -Q- button to confirm input, ECM coding variations.
If indicated on display:
Function is unknown or
->
cannot be carried out at the moment
Incorrect code number has been entered.
Indicated on display (ECM identification and coding, e.g. 06151)
4D0907551H 2.8L V6/5V MOTR HS D02
->
Coding 06151
WSC 00000
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Press -> button to advance through program sequence.
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Press buttons -0- and -6- to select "End Output" function 06, and press - Q- button to confirm input.
-
Switch ignition off.
NOTE: The Motronic ECM -J220- only uses the code that has been entered after the ignition has been switched off once. Incorrect coding leads to:
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Performance problems (e.g. jerky shifting, abrupt load changes, etc.)
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Increased fuel consumption
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Elevated exhaust gas values
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Storage of non-existent malfunctions in DTC memory
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Control module functions will not be performed (e.g. oxygen sensor regulation, EVAP regulation)
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Traction control will not function on front-wheel-drive vehicles (ASR light comes on)
-
Reduction in transmission service life
ECM coding variations