Diagnostic mode 3: Check DTC Memory: Procedure

WARNING: This page does not describe the selected car, but rather 14 other vehicles, including the 2005 Volkswagen Jetta, 2004 Volkswagen Jetta, 2003 Volkswagen Jetta, 2003 Volkswagen Golf, and 2002 Volkswagen Jetta. However, it is still accessible from the selected car via links, so may be relevant.

Connect diagnostic tester, see CONNECT DIAGNOSTIC TESTER .
Start engine and let run at idle.
NOTE:
Only if engine does not start:
- Operate starter for approx. 6 seconds. Do not switch ignition off afterward.
Under address word 33, select "Diagnostic mode 3:, Check DTC memory."
The number of stored malfunctions or "0 malfunctions detected" is displayed.
End diagnosis and switch ignition off.
Repair stored malfunctions according to DTC table:

SAE P0xxx-DTCs, see DIAGNOSTIC TROUBLE CODE (DTC) TABLES: .
SAE P1xxx-DTCs, see SAE P1XXX-DTCS .
SAE P2xxx-DTCs, see SAE P2XXX-DTCS .

NOTE:

The DTC table is sorted by SAE code.
"E-Gas"-relevant malfunctions are also indicated by the warning lamp for Electronic Power Control ("EPC warning lamp") in the instrument cluster.
In addition, "emission"-relevant malfunctions are indicated in the instrument cluster via the Malfunction Indicator Lamp (MIL).
In diagnostic mode 2, it can be determined at which operating condition a malfunction was detected and stored by the Engine Control Module (ECM), see DIAGNOSTIC MODE 2: CHECKING OPERATING CONDITIONS .
Erase DTC memory after repairing malfunction, see DIAGNOSTIC MODE 4: RESET/ERASE DIAGNOSTIC DATA .

Display example:

P0444EVAP canister purge regulator valve -N80- Open circuit

Explanation:

P0444 = SAE diagnostic trouble code (malfunction identification number).
Evaporative Emission (EVAP) Canister Purge Regulator Valve -N80- = malfunctioning wiring path or malfunctioning component.
Open circuit = Malfunction type as text