Programming Control Module (ECM) -J248-, (Function 07)
Code Control Module (function 07)
NOTE:
- During control module identification, a 5-digit code must always be indicated.
- If control module does not indicate coding corresponding to vehicle, or if control module has been replaced, code it as follows.
Special tools and equipment
- V.A.G 1551 Scan Tool (ST) with VAG 1551/3 Adapter
Procedure
- Connect V.A.G 1551 scan tool (VAG 1552). Then switch ignition on and select the Engine Control Module (ECM) using address word 01. (connecting scan tool and selecting ECM).
Indicated on display:
Rapid data transfer HELP
Select function XX
- Press 0 and 7 for the function "Code Control Module", and then press Q to exit from input mode.
Indicated on display:
Code control module Q
Enter code numbers XXXXX (0-32000)
- Enter appropriate code number for this vehicle, and press Q to exit from input mode.
Coding variations.
Display will indicate the control module identification and the coding, e.g.:
4B0906018P 1.8 R4/5VT Motr G 0001 ->
Coding 07501 WSC 00000
If this is indicated on the display, an unapproved code number has been entered.
Function is unknown or can ->
not be performed at the moment.
- Press -> button.
- Press buttons -0- and -6- to select "End Output" function 06. Press -Q- button to confirm input.
- Switch ignition off.
NOTE:
The Motronic control module uses the coding indicated on the display only after the ignition has been switched off once. Incorrect coding causes:
- Driveability problems (shifting pressure, tip-in shock etc.)
- Increased fuel consumption
- Increased emissions values
- The storage of non-existent malfunctions in DTC memory
- Necessary functions not being performed (oxygen sensor regulation, activation of the EVAP canister system, etc.)
- in vehicles with front-wheel drive, non-functioning of anti-spin regulation (ASR check light is on)
- Reduction in transmission service life
Coding Variants of Engine Control Module (ECM)
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The code number is compiled as shown in the following example:
