2005 Audi A4 Base, 4D Sedan, 3.0 TFACTORY OEM SERVICE PROCEDURE

Diagnostic Mode 09 - Vehicle Information

NOTE:
  • For all calibration and immobilizer information.

Diagnostic Mode 09 is used to display vehicle specific information, e.g. the different Engine Control Module (ECM) versions.

NOTE:
  • Depending on scan tool and protocol used, diagnostic mode 09 and the information provided may be referred to by a different name.

Test requirement 

  • No DTCs stored in the DTC memory.

Procedure 

  • Connect the scan tool.
  • Switch the ignition on.
  • Select "Diagnostic Mode 09 - Vehicle Information".
  • Select the desired "Test-ID".
  • The information requested will be displayed on the scan tool screen.

The following table is a numerical list of all "Test-IDs" that may be selected.

Test-ID Diagnostic text
02: Vehicle identification number e.g.
 
  • A different 17 digit number will be displayed for each vehicle
04: Calibration identification e.g.
 
  • Engine Control Module (ECM)
 
  • Transmission Control Module (TCM)
06: CVN (check sum) e.g.
 
  • EC5AE460 the check sum is different for every control module version
 
  • 000D105
  • Switch the ignition off.

End of procedure 

Factory Service Tools

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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.

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