Volkswagen Passat 1995 Official Factory Repair Manual page 3166

Teves 04 ABS and ABS/EDL On Board Diagnostic (OBD)
1H0 907 379 A ABS + EDL
Rapid data transfer
Control module does not answer
Rapid data transfer
K wire not switching to B+
Rapid data transfer
No signal from control module
Rapid data transfer
Error in communication link
http://ebahn.bentleypublishers.com/vw/servlet/Display?action=Goto&type=repair&id=VW.B4.OB01.01.3
ABS control module identification (example) is displayed
Teves 04
ABS control module applications
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Note:
If any other message appears in the display, the possible causes of the
HELP
malfunction can be printed out by pressing the HELP button.
The ignition must be switched on!
HELP
Malfunctions have occurred at the start or during the scan tool program
(external interference?)
- Check VAG 1551/1 or VAG 1551/3 adapter harness.
- Also check for battery positive voltage (B+) supply and check for
proper Ground (GND) connection near ABS control module -J104-
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Electrical test, page 01-39
Parts catalog.
, test steps 42 and 43.
Page 4 of 24
01-18
12/7/2004