Volkswagen Passat 1995 Official Factory Repair Manual page 732

On Board Diagnostic
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Diagnostic Trouble Code (DTC) table
Note:
The DTC table is listed according to the 5-digit
diagnostic trouble code on the left.
Before replacing components indicated as
malfunctioning, check the wiring and
connectors to these components as well as the
ground connections using the wiring diagrams.
This is particularly relevant if malfunctions are
output as "occurring sporadically" (SP).
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