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Tuesday, 23 June 2015

Fault in the suspension level control system fitted on Audi Q7

Fault in the suspension level control system fitted on Audi Q7
We are going to diagnose and repair a fault that affects Audi Q7 models (4L) manufactured from 2007.

These models are equipped with Adaptive Air Suspension (AAS) self-levelling suspension system.
The diagnostic fault codes recorded in the Level Control Unit (J197) are:
  • Code 1781 - Extreme inclination of the vehicle, maximum threshold value exceeded
  • Code 1400 - Level control, maximum threshold value exceeded
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