Parking Assist System - Warnings With No Obstacles
91 08 40
2012272/2
September 11, 2008. Superseded Technical DIAGNOSIS AND REPAIR Group 94 number 06-03 dated July 6, 2006 to extend VIN range.
Vehicle Information
Parking aid warning sound without obstacle
Condition
The parking assist system warns of obstacles when there are no obstacles around the vehicle.
Technical Background
Several reasons can lead to an unjustified warning sound of the parking assist system.
- One or more sensors are incorrectly mounted (see attachments) and the bumper is detected as an obstacle.
- Dirt, salt, ice, snow etc. might cover one or more parking assist sensors.
- Without single frame radiator: If the license plate holder is attached with only 2 bolts, the holder might protrude due to the uneven surface of
the bumper.
- With single frame radiator: If the license plate holder is not correctly installed, it might be detected as an obstacle.
Production Solution
No change.
Service
1. Check for parking assist system-related diagnostic trouble codes. If present, follow Guided Fault Finding to solve the concern.
2. Verify that all parking assist sensors are mounted properly. Remount parking assist sensors if necessary.
Audi A4 Quattro Sedan (8K2) L4-2.0L Turbo (CAEB) Page 480
3. Verify sensor brackets are not broken. (Bumper removal is not necessary for the check.) Replace brackets, if broken.
4. Verify that the sensors are not covered by dirt, ice, salt, etc. Clean if necessary and inform customer.
5. If a license plate holder is mounted improperly:
- Without single frame radiator: The license plate holder must be attached with 4 bolts.
- With single frame radiator: Install the license plate holder correctly.
Warranty
Accounting for incorrectly fitted license plate holder and for cleaning of the sensors under warranty is not permitted.
For the potential remounting of parking assist sensor or replacing of the parking assist sensor bracket: When procedure applies to vehicles under
warranty, use the following:
All warranty claims submitted for payment must be in accordance with the Audi Warranty Policies and Procedures Manual. Claims are subject to
review or audit by Audi Warranty.
Additional Information
All parts and service references provided in this TSB are subject to change and/or removal. Always check with your Parts Department and service
