Work sequence

WARNING: This page does not describe the selected car, but rather 15 other vehicles, including the 1999 Volkswagen Jetta, 1999 Volkswagen Golf, 1999 Volkswagen Cabrio, 1998 Volkswagen Jetta, and 1998 Volkswagen Golf. However, it is still accessible from the selected car via links, so may be relevant.

Connect VAG 1551/1552 scan tool and with ignition switched on, select "Engine Electronics" address word 01 and press -Q- button to confirm input. See VAG 1551 SCAN TOOL (ST), CONNECTING AND SELECTING "ENGINE ELECTRONICS" ADDRESS WORD 01 .

Indicated on display

Fig 1: VAG 1551/1552 Scan Tool Display - Code Control Module (Scan Tool Function 07) - 1 Of 6

Press buttons -1- and -1- to select "Log-in Procedure" function 11 and press -Q- button to confirm input.

Indicated on display

Fig 2: VAG 1551/1552 Scan Tool Display - Code Control Module (Scan Tool Function 07) - 2 Of 6

Press buttons -0-, -1-, -2-, -8- and -3- to input log-in code 01283 and press -Q- button to confirm input.

Indicated on display

Fig 3: VAG 1551/1552 Scan Tool Display - Code Control Module (Scan Tool Function 07) - 3 Of 6

Press buttons -0- and -7- to select "Code Control Module" function 07 and press -Q- button to confirm input.

Indicated on display

Fig 4: VAG 1551/1552 Scan Tool Display - Code Control Module (Scan Tool Function 07) - 4 Of 6

Input the appropriate code number for this vehicle and press -Q- button to confirm input.

CONTROL MODULE APPLICATION CODING

MY	Application	Coding
Up to 1999	Golf/Jetta, manual trans. TIER 1	00000
Up to 1999	Golf/Jetta, auto. trans. TIER 1	00001
Up to 1999	Golf/Jetta, manual trans. TLEV	00004
Up to 1999	Golf/Jetta, auto. trans. TLEV	00005
Up to 1999	Cabrio, manual trans.	00002
Up to 1999	Cabrio, auto. trans.	00003
2000 and up	Cabrio, manual trans. TLEV	00004
2000 and up	Cabrio, auto. trans. TLEV	00005

VAG 1551 scan tool display will show control module ID. For example, see Fig 5.

Fig 5: VAG 1551/1552 Scan Tool Display - Code Control Module (Scan Tool Function 07) - 5 Of 6

Press --> button.

Indicated on display

Fig 6: VAG 1551/1552 Scan Tool Display - Code Control Module (Scan Tool Function 07) - 6 Of 6

Press buttons -0- and -6- to select "End Output" function 06 and press -Q- button to confirm input.

NOTE: Code entered and shown on display will not be used by ECM until ignition has been switched off once. Incorrect coding leads to:

Engine running malfunctions, increased fuel consumption and increased emissions
Malfunctions stored in DTC memory which are not actually present
Reduced transmission life