After installing the cruise control switch, and the correct steering column control module, the engine ECU must have the cruise control activated by using VAG-COM, and accessing "Coding II" and entering the number:"11463", then close the session and turn off the key for at least 10 seconds. Next, re access the engine ecu with a new VAG-COM session, and read measuring block 066,
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, field #2,
XXXX0XXX
(cruise control not activated)
XXXXXXXX
XXXX1XXX
(cruise control activated)
Note
Value: X = no significance
The field 2 must show the 1 for cruise activated,
Close VAG-COM and test.
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