Displaying and Reading Trouble Codes
Diagnostic Trouble Code (DTC) Memory (Scan Tool Function 02), Checking
Note:
^ Observe test conditions. Safety Measures and Troubleshooting Basics
^ Connect VAS5051 tester or VAG1551 scan tool and select the address word 03 "Brake Electronics".
^ Check the control module version and press (arrow) button. Check Control Module Versions (Scan Tool Function 01)
^ Press buttons -0- and -2- to select "Check DTC Memory" function 02. Press -Q- button to confirm input.
^ Every malfunction that the system can detect has a 5-digit Diagnostic Trouble Code (DTC), which is listed in the left-hand column of the DTC table. If the printer is switched on by pressing the "PRINT" button, the VAG1551 scan tool (ST) prints out a message identifying the malfunction and the DTC. Otherwise, DTCs are not displayed by the VAG1551 scan tool.
^ The contents of the DTC memory remain stored until the memory is erased.
^ Sporadic malfunctions are identified by "/SP" appearing on the right-hand side of the display.
^ Static malfunctions that cannot be detected when the vehicle is stationary are also identified with "/SP" if the ignition has been switched off and then on again.
^ The DTC table includes all the DTCs that can be stored by the ABS control module -J104- and displayed and printed out by the VAS5051 tester or VAG1551 scan tool. Malfunctions are listed according to the DTC number.