Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSAUDI1999A6 QUATTROREPAIR AND DIAGNOSIS (SINGLE PAGE)ACCESSORIES & EQUIPMENTINFOTAINMENTON BOARD DIAGNOSTIC (OBD) - RADIO, NAVIGATION, STEERING & TELEMATICSNAVIGATION SYSTEM IV (BNS 4.0) FROM M.Y. 2002, ON BOARD DIAGNOSTIC (OBD)CONTROL MODULE VERSIONS, CHECKING (FUNCTION 01)
1999 Audi A6 Quattro
Control Module Versions, checking (function 01)
1999 Audi A6 QuattroSECTION Control Module Versions, checking (function 01)
Indicated on display
Fig 1: VAG1551 Scan Tool Display - Control Module Versions - Navigation System IV, From 2002 (1 Of 3)
- Press buttons -0- and -1- to select "Check control module versions" function 01.
Indicated on display
Fig 2: VAG1551 Scan Tool Display - Control Module Versions - Navigation System IV, From 2002 (2 Of 3)
- Press -Q- button to confirm input.
Indicated on display after approx. 5 seconds:
Fig 3: VAG1551 Scan Tool Display - Control Module Versions - Navigation System IV, From 2002 (3 Of 3)
- 4B0919887A: Part number of control module for navigation (see also parts program)
- BNS 4.0: component marking
- 0001: Software version of control module for navigation with CD drive
- Coding 00000: Coding not used
- WSC XXXXX: Dealership number
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.