Passat Sedan V6-2792cc 2.8L DOHC (AAA) (1995)
Battery: All Technical Service Bulletins
Electrical - Diagnosis for Excessive Static Current Draw
27 08 04
August 28, 2008
2016076, Supersedes Technical Bulletin Group 27 number 07-11 dated Oct. 2, 2007 due removal of Routan applicability.
Vehicle Information
Condition
Battery, Discharged, Diagnosis for Excessive Static Current Draw
Technical Background
One or more of the following symptoms is possible.
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Discharged battery
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Engine does not start because of low battery voltage
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Voltage display in the combination instrument displays too low
"Low battery" fault codes in various control modules.
Production Solution
Battery/Current draw procedure introduced in VAS 5051A/B scan tool with the release of software version 11.78.00.
Service
Check the fault memory.
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Compare control units on the fault memory print-out with vehicle equipment (PR numbers). Are all necessary control units listed on the print-out?
Any control units not listed may be faulty and could be indications for the further fault finding.
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Check which non-genuine parts are installed, e.g. tow bar, animal protection, radio, DVD, etc. If an increased closed-circuit current is found, check
these components first.
Step 1: Verify Battery Condition
1.
Connect Midtronics INC-940 to battery.