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HOMESERVICE MANUALSAUDI2005A6 3.2 TREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT VARIANT/TRIMSECTION 3 (4.2L V8 5V GENERIC SCAN TOOL, ENGINE CODE(S): BNK)ST GENERIC SCAN TOOLDIAGNOSTIC MODESDIAGNOSTIC MODE 3: INTERROGATING DTC MEMORYNOTES
2005 Audi A6 3.2 T

Diagnostic Mode 3: Interrogating DTC memory: Notes

2005 Audi A6 3.2 TSECTION Notes
WARNING: This page is about a different variant/trim than selected.

The DTC consists of a 5-digit alpha-numeric value with the following meaning:

P-Codes 

Component group
P x x x x DTC for drivetrain
Norm-Code
P 0 x x x Trouble codes defined by SAE with specified malfunction texts
P 1 x x x Additional emission relevant DTCs provided by the manufacturer
P 2 x x x DTCs defined by SAE with specified texts, from MY 2000
P 3 x x x Additional emission relevant DTCs provided by the manufacturer from MY 2000
Component group
Repair group
P x 0 x x Fuel and air mixture and additional emission regulations
P x 1 x x Fuel and air ratios
P x 2 x x Fuel and air ratios
P x 3 x x Ignition system
P x 4 x x Additional exhaust system
P x 5 x x Speed and idle control
P x 6 x x Control module and output signals
P x 7 x x Transmission
P x 8 x x Transmission
P x 9 x x Control modules, input and output signals

U-Codes 

Component group
U x x x x DTC for network (CAN bus)
Norm-Code
U 0 x x x Trouble codes defined by SAE with specified malfunction texts
RENDER: 1.0x

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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.