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Home >> Audi >> 2005 >> A6 4.2 L >> Repair and Diagnosis >> Engine Performance >> Ignition System >> 4.2L V8 5V Generic Scan Tool, Engine Code(S): BNK >> ST Generic Scan Tool >> Diagnostic modes >> Diagnostic Mode 3: Interrogating DTC memory >> Notes
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Diagnostic Mode 3: Interrogating DTC memory: Notes

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