Passat L4-1984cc 2.0L DOHC (9A) (1990)
Engine Control Module: All Technical Service Bulletins
A/T - Harsh Engagement Into Drive
Group:
37
Number:
91-04
Date:
August 31, 1991
Subject:
Harsh Engagement When Selecting Drive Gear
Passat 1990, 1991 m.y. with 096 Transmission
Model(s): (Supersedes Group 35, Number 91-01 dated March 31, 1991)
Condition
Harsh engagement when moving from Park, Reverse and/or Neutral into Drive "D" gear.
Note
The transmission should not be replaced for this condition alone.
Service
Establish the EPROM level of the Digimat ECU installed in the vehicle.
^
connect VAG 1551 Tester to the vehicle (Check Repair Group D3-20-1 and D3-30-1)
^
switch VAG 1551 printer on
^
after entering address word "02" read either 1551 display window and/or printer tape noting ECU identification.
^
Digimat EPROM level is the four (4) digit number after the word "DIGIMAT" of the identification
EXAMPLE
095927731AE DIGIMAT 0609
CODING 127
WSC131071
0609 is the EPROM level of the ECU
Digimat ECU with EPROM level of 0609 or higher MUST be used to resolve this complaint.