Jetta L4-1.9L DSL Turbo (AAZ) (1997)
Oxygen Sensor: Technical Service Bulletins
Instrument Cluster - Functions Erratically
Group: 97
Number: 96-01
Date: Nov. 11, 1996
Subject:
Erratic Electrical Functions
(Instrument cluster functions erratically, MIL is ON)
Model(s):
Golf, GTI, Jetta
1997 to 1H_VM022383
Condition
Various erratic electrical functions (instrument cluster functions erratically, Malfunction Indicator Lamp (MIL) is on, Oxygen sensor Diagnostic trouble
codes may be stored in DTC memory).
Condition may be caused by loose ground at one of two grounding studs located under the battery tray.
Service
If a vehicle exhibits this condition:
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Obtain customers radio code and note preset radio stations.
-
Disconnect battery ground (GND) cable.
-
Disconnect battery positive (B+) cable.
-
Remove battery.