Passat L4-1984cc 2.0L DOHC (1991)
Transmission Speed Sensor: All Technical Service Bulletins
Engine Controls - Incorrect FC G68 (Speed Sensor) Set
Subject:
CIS-E Motronic - VAG 1551 Fault Discrepancy
Model(s): Passat, Jetta GLI
Group:
D2
Number:
D2-90-T01
Date:
May 31, 1990
When using the VAG 1551 tester for diagnosing faults in the CIS-E Motronic Engine management System, the following fault may be indicated:
Transmission speed sensor - G68
This fault is in error, it should read:
Speed sensor - G54
The Fault code table on Page D2-30-1 should be revised as follows:
Fault
Code
VAG 1551 Display
Possible Cause of Fault
Repair
1111 Control unit defective
Defective components in
Replace (J204)
control unit (J 204)
1231 Speed Sensor (G54)
(G54) defective
Check (G54),
Section D2-50 Test step 5
No signal
Open circuit
Check wiring
