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HOMESERVICE MANUALSAUDI2007A6 AVANT QUATTROREPAIR AND DIAGNOSISQUICK LOOKUPSTECHNICAL BULLETINSTECHNICAL SERVICE BULLETINSSTARTERBATTERY DISCHARGED ON VEHICLES WITH ADVANCED KEY (GROUP 96, NO. 10-02)
2007 Audi A6 Avant Quattro

Battery Discharged On Vehicles With Advanced Key (GROUP 96, NO. 10-02)

2007 Audi A6 Avant QuattroSECTION Battery Discharged On Vehicles With Advanced Key (GROUP 96, NO. 10-02)
Publication date: 2010-02-08
Reference number: GROUP 96, NO. 10-02
Supersedes refnos: 2019143, GROUP 96, NO. 08-09, GROUP 96, NO. 09-04, GROUP 96, NO. 09-09, GROUP 96, NO. 09-15

BATTERY DISCHARGED ON VEHICLES WITH ADVANCED KEY

BATTERY DISCHARGED ON VEHICLES WITH ADVANCED KEY

TECHNICAL SERVICE BULLETIN

Reference Number(s): GROUP 96, NO. 10-02 (2019143/5), Date of Issue:  February 8, 2010
AUDI: A6 2005 - 2007 - 2008; Audi Q7 2007 - 2008
GROUP: 96 - Lights - Interior, Air bag
Superceded Bulletin(s): GROUP 96, NO. 09-15, Date of Issue:  November 20, 2009

SERVICE INFORMATION

96 10 02 2019143/5 February 8, 2010. Supersedes Technical Service Bulletin Group 96 number 09-15 dated November 20, 2009.

APPLICABLE MODELS AND YEARS

Model(s) Year VIN Range Vehicle-Specific Equipment
A6 2005 - 2007 All Audi Advanced key (Kessy) and Start Access CU J518 with Software < 240
2008 000001 - 139312
Audi Q7 2007 All
2008 000001 - 063811

CONDITION

  • The customer may report that the engine doesn't start due to a discharged vehicle battery.
  • Possibly affected vehicles must have the following equipment:
    • Audi Advanced Key (PR No. 4F2, 4K7 or 4I3).
    • Control unit for access and start authorization J518 (address 05) SW version below 240 (4F0 905 852 B) or below 50 (4F0 905 852 C).

TECHNICAL BACKGROUND

Pressing the start button while the ignition key is not in the vehicle wakes the CAN comfort bus system and may keep the system awake. This may lead to a discharge of the vehicle battery to the point that an engine start is no longer possible.

PRODUCTION SOLUTION

New software in the control unit for access and start authorization (J518) resolved the problem.

SERVICE

  1. Connect the vehicle to an approved charger or voltage maintainer and verify the battery state of health with the "Battery Test Plan" in the 61 - energy management control unit J644. Recharge or replace the battery according to the result.

    Tip:  When replacing the battery, all necessary documentation must be attached to the work order.

  2. Use the history data from the energy management control unit J644 (address 61) to verify whether an awake CANbus or customer influence (e.g. ignition or ext. lights on) has discharged the vehicle battery.
  3. If an awake CANbus is confirmed, try to reproduce the condition.
    1. Disconnect the battery charger/maintainer, if applicable.
    2. Switch off ignition.
    3. Remove all keys from the vehicle.
    4. Press the start button and measure the closed-circuit current of the vehicle battery.
  4. If the condition can be reproduced, perform a SVM software update of the control unit for access and start authorization J518 (address 05).

    SVM Update Instructions

    1. Follow the instruction in the attached TSB 2011732 Software Version Management (SVM), operating instructions  .
    2. Update the control unit for access and start authorization J518 (address 05) using SVM action code as listed in the table below if necessary.
      SOFTWARE INFORMATION

      Control unit for access and start authorization J518 Old Software Version New Software Version (or higher) SVM Action Code
      4F0 905 852 B < 240 240 For A6: 4F05A004 
      For Audi Q7: 4L05A002 
      4F0 905 852 C < 50 50

WARRANTY

WARRANTY INFORMATION

Claim Type:  Use applicable claim type. If vehicle is outside any warranty, this Technical Service Bulletin is informational only.
Service Number:  9666
Damage Code:  0039
Labor Operations:  Battery charging preparation 2706 8950 10 TU
  Replace battery according to battery test plan, if necessary 2706 55 00
2706 55 00		 90 TU (Q7)
70 TU (A6)
Diagnostic Time:  GFF 0150 0000 Time stated on diagnostic protocol
Road test prior to service procedure No allowance 0 TU
Road test after service procedure No allowance 0 TU
Technical diagnosis at dealer's discretion
(Refer to Section 2.2.1.2 and Audi Warranty Online for DADP allowance details)
Claim Comment:  As per TSB #2019143/5

All warranty claims submitted for payment must be in accordance with the Audi Warranty Policies and Procedures Manual  . Claims are subject to review or audit by Audi Warranty.

ADDITIONAL INFORMATION

All parts and service references provided in this TSB are subject to change and/or removal. Always check with your Parts Department and service manuals for the latest information.

Fig 1: TSB 2011732 - Software Version Management, Operating Instructions - Page 1
G06381798
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.