Work sequence
- Connect Scan Tool VAG1551 ( VAG1552 ) and select engine electronics control unit with the "Address word" 01. When doing this the ignition must be switched on. (Connecting Scan Tool and selecting engine electronics control unit → Scan Tool VAG1551 , connecting .)
- Press → button.
Indicated on display:
| Rapid data transfer HELP Select function XX |
- Press buttons 0 and 7 for the function "Code Diesel Direct Fuel Injection Engine Control Module -J248-" and confirm entry with Q button.
Indicated on display:
| Code control unit Q Input code number xxxxx (0-32000) |
- Enter the appropriate code number and confirm with Q button.
Diesel Direct Fuel Injection (DFI) Engine Control Module (ECM) J248 : 038 906 012 FD / 038 906 012 BD
| Coding | For vehicles with |
| 00001 | Automatic transmission, ABS, Airbag |
| 00002 | Manual transmission, ABS, Airbag |
| 00004 | Automatic transmission, Airbag |
Diesel Direct Fuel Injection (DFI) Engine Control Module (ECM) J248 : 038 906 012 FR / 038 906 012 BC
| Coding | For vehicles with |
| 00002 | Manual transmission, Airbag |
| 00005 | Manual transmission |
Diesel Direct Fuel Injection (DFI) Engine Control Module (ECM) J248 : 038 906 012 FE / 038 906 012 BR
| Coding | For vehicles with |
| 00001 | Automatic transmission, ABS |
| 00002 | Manual transmission, ABS |
| 00004 | Automatic transmission |
Indicated on display when a non-authorized code number has been entered.
| Function is not recognized or cannot → be performed at the moment. |
The Scan Tool VAG1551 display will show the control unit identification, e.g.:
| 038906018D 1.9l R4 EDC G00SG 1817 → Coding 0002 WSC XXXXX |
- Switch ignition off and then on again.
NOTE:
- The coding entered will be activated by switching the ignition off and then on again. If after entering the valid code the ignition is not switched off and on again, the fault "Control unit incorrectly coded" in the fault memory cannot be erased.
- Check DTC memory and, if necessary, repair any malfunctions and then erase → Diagnostic Trouble Code (DTC) memory, checking and erasing .
- Read-out the readiness code → Reading readiness code . If the DTC memory has been erased, the readiness code must be generated again → Readiness code, setting .