Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSAUDI2011Q5 QUATTRO (8RB) V6-3.2L (CALB)REPAIR AND DIAGNOSISPOWER AND GROUND DISTRIBUTIONPOWER DISTRIBUTION MODULETECHNICAL SERVICE BULLETINSCUSTOMER INTERESTANTITHEFT SYSTEM - ALARM SOUNDS FOR NO APPARENT REASON
2011 Audi Q5 Quattro (8RB) V6-3.2L (CALB)
Antitheft System - Alarm Sounds For No Apparent Reason
2011 Audi Q5 Quattro (8RB) V6-3.2L (CALB)SECTION Antitheft System - Alarm Sounds For No Apparent Reason
96 Vehicle anti-theft alarm sounds without theft attempt
57 10 22
2020192/3
May 19, 2010
Supersedes Technical Service Bulletin Group 57 number 09-11 dated June 11, 2009 for reasons listed below.
Affected Vehicles
Condition
^ The vehicle anti-theft alarm activates its audible sound without theft attempt.
^ A DTC for one or several door handle sensors is stored in the Access and Start Permission control unit (address word 05).
^ In the Convenience System Central Module control unit (address word 46), the following values are present:
^ Value 2 (no communication) in Measuring Value Block 18 - last alarm trigger.
^ Value 12 (Intelligent Siren) in Measuring Value Blocks 21, 22, 23, 24 - last alarm source.
This condition does not result in compromised anti-theft protection.
Technical Background
The signal of the door handle sensor(s) prevents communication between the Convenience System Central Module control unit and the alarm horn.
Production Solution
Optimized door handle sensors.
Service
Using Guided Fault Finding, verify that the wiring to the indicated door handle sensors is good.
If the wiring is correct, replace the affected door handle sensor(s).
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 manuals for the latest information.
57 10 22
2020192/3
May 19, 2010
Supersedes Technical Service Bulletin Group 57 number 09-11 dated June 11, 2009 for reasons listed below.
Affected Vehicles
Condition
^ The vehicle anti-theft alarm activates its audible sound without theft attempt.
^ A DTC for one or several door handle sensors is stored in the Access and Start Permission control unit (address word 05).
^ In the Convenience System Central Module control unit (address word 46), the following values are present:
^ Value 2 (no communication) in Measuring Value Block 18 - last alarm trigger.
^ Value 12 (Intelligent Siren) in Measuring Value Blocks 21, 22, 23, 24 - last alarm source.
This condition does not result in compromised anti-theft protection.
Technical Background
The signal of the door handle sensor(s) prevents communication between the Convenience System Central Module control unit and the alarm horn.
Production Solution
Optimized door handle sensors.
Service
Using Guided Fault Finding, verify that the wiring to the indicated door handle sensors is good.
If the wiring is correct, replace the affected door handle sensor(s).
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 manuals for the latest information.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.