Cruise control system, activating/deactivating

WARNING: This page is about a different car, the 2006 Audi A4, 2005 Audi A4, 2004 Audi A4, 2003 Audi A4, and 2002 Audi A4. However, it is still accessible from the selected car via links, so may be relevant.

NOTE:

For vehicles equipped with cruise control system, the cruise control system must be activated after replacing Engine Control Module (ECM).
If cruise control system is activated in Engine Control Module (ECM) in a vehicle without the cruise control system, a DTC entry follows. In this case, the cruise control system function must be deactivated.

Work sequence

Connect VAS 5051 tester. Refer to VAS 5051 vehicle diagnostic, testing and information system, connecting and selecting functions and select vehicle system "01 - Engine electronics". Ignition must be switched on for this.

Fig 1: Diagnostic System VAS 5051: Display

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Display on VAS 5051:

In selection -1-, select diagnostic function "11 - Coding II".

Fig 2: Diagnostic System VAS 5051: Display

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Display on VAS 5051:

1 - Enter code word

Activating cruise control system

Select "11463" in button field -2- and press -Q- button to confirm input.

Deactivating cruise control system

Select "16167" in button field -2- and press -Q- button to confirm input.
End function "11 - Coding II" by pressing ← -button.

Fig 3: Diagnostic System VAS 5051: Display

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Display on VAS 5051:

Select diagnostic function "08 - read measured value block" in selection -1-.

Fig 4: Diagnostic System VAS 5051: Display

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Display on VAS 5051:

1 - Enter display group

Select function "066" in button field -2- for "Display group number 066" and press -Q- button to confirm input.

Fig 5: Diagnostic System VAS 5051: Display

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Display on VAS 5051:

Check indication in display field -2-.

	Display fields
	1	2	3	4
Display group 066: Signals to Engine Control Module (ECM)
Display	xxx km/h	XXXXXXXX	xxx km/h	XXXXXXXX
Indicated	ACTUAL speed	Switch positions	SPECIFIED speed	Switch positions
Functional range		0 = off 1 = on		0 = off 1 = on
Specified value		XXXX0XXX (cruise control not activated)		XXXXXXXX
		XXXX1XXX (cruise control activated)
Note		Value: X = no significance

Press ← button to end function "08 - Read measuring value block".
Select "06 - End Output"
Switch ignition off.