Mike's Workshop Manuals: Service manuals for every vehicle
Home >> Audi >> 2004 >> A4 Base, 2D Convertible, 1.8 C >> Repair and Diagnosis >> Engine Performance >> System >> 1.8L - Engine Controls - On Board Diagnostic (OBD), Generic Scan Tool Engine Code(S): AMB >> Generic Scan Tool >> Mode 3: Check DTC Memory >> SAE Diagnostic Trouble Codes (DTCs)

SAE Diagnostic Trouble Codes (DTCs)

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

SAE DIAGNOSTIC TROUBLE CODE EXPLANATION

Component group
P  x x x x DTC for drivetrain
Norm-Code 
P 0  x x x DTCs defined by SAE with specified malfunction texts
P 1  x x x additional emission relevant DTCs provided by manufacturer
P 2  x x x DTCs defined by SAE with specified texts, from MY 2000
P 3  x x x additional emissions relevant DTCs provided by manufacturer from MY 2000
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 regulation
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