Volkswagen Workshop Service and Repair Manuals

Vehicles ▸07.95:

If the coding for a vehicle with an automatic gearbox is displayed as a manual gearbox, check wiring from engine control unit to gearbox control unit for open circuit according to current flow diagram.

Vehicles08.95 ▸:

Notes:

• ◆ A 5-character code must always be displayed during the control unit identification.
• ◆ The control unit must be recoded if the vehicle relevant coding is not displayed or the control unit has been renewed.

Special tools, testers, measuring instruments and auxiliary items required

• ◆ Fault reader V.A.G 1551 with cable V.A.G 1551/3

Work sequence

• ‒ Connect the fault reader V.A.G 1551 (V.A.G 1552). Then switch ignition on and select engine control unit with the "Address word" 01.
  (Connecting fault reader and selecting engine control unit .)

• ‒ Press keys 0 and 7 for the function "Coding control unit" and confirm entry with Q key.

• ‒ Enter the relevant code number for this vehicle and confirm with Q key.

• ‒ Press ⇒key.

• ‒ Press keys 0 and 6 for the "End output" function and confirm input with the Q key.