Volkswagen Passat 1995 Official Factory Repair Manual page 1614

Diagnostic Trouble Code (DTC) table
Scan Tool Possible cause
Display
No DTC If a malfunction is present but is not
recognized! recognized by On Board Diagnostic:
http://ebahn.bentleypublishers.com/vw/servlet/Display?action=Goto&type=repair&id=VW...
Diagnostic Trouble Code
(DTC) table
Notes:
The 5 digit DTC codes displayed by the VAG
1551 Scan Tool can be looked up in the
following charts by finding the same DTC code
in the upper left corner of each chart.
Before replacing components indicated as
being faulty, check the wiring and connectors to
these components as well as the ground
connections using the wiring diagram. This is
particularly relevant if the malfunction is
displayed as "sporadic" (SP).
For wiring checks, also see "Electrical checks",
Page 01-41 .
Corrective steps
Continue troubleshooting using
the wiring diagram.
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