Calibration Conditions

Before starting the calibration of the adaptive cruise control (ACC), the sensor and its retainer must be checked for damage.

Before the calibration of the adaptive cruise control (ACC), check the DTC memory and correct any faults if necessary.

The calibration of the adaptive cruise control (ACC) must only be calibrated using alignment testers and adjusting devices approved by VW/AUDI.

Proper ACC operation requires correct calibration.

The Control Module for Adaptive Cruise Control -J428- must be calibrated under the following conditions:

• Distance Regulation Control Module -J428- was replaced
• The lock carrier service position was performed
• The lock carrier was removed and installed.
• The lock carrier was replaced
• The rear axle toe were replaced.
• Changes were made to the suspension that affect the height.