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 DIAGNOSISTECHNICAL SERVICE BULLETINSALL TECHNICAL SERVICE BULLETINSKEYLESS SYSTEMS - ADVANCED KEY FUNCTIONS INOPERATIVE
2011 Audi Q5 Quattro (8RB) V6-3.2L (CALB)
Keyless Systems - Advanced Key Functions Inoperative
2011 Audi Q5 Quattro (8RB) V6-3.2L (CALB)SECTION Keyless Systems - Advanced Key Functions Inoperative
57 Advanced key functions are inoperative
57 13 83
2021363/5
February 22, 2013
Supersedes Technical Service Bulletin Group 57 number 11-48 dated July 25, 2011 for reasons listed below.
Vehicle Information
Condition
^ Vehicle doors cannot be locked or unlocked using Advanced key.
^ Vehicle cannot be started using the Start-Stop button.
^ In Access/Start Authorization Control Module J518 (address word 05), DTC 03283 (Driver's side Access/Start Authorization Antenna Short Circuit to Ground), DTC 03284 (Right Access/Start Authorization Antenna Short Circuit to Ground) or DTC 00183 (Interior Access/Start Authorization Antenna 1 -R138-) are stored.
^ Vehicle keys function properly otherwise, operating the door locks via the remote control as well as starting the vehicle using the ignition switch.
Technical Background
Not applicable.
Production Solution
Optimized Access/Start Authorization Control Module.
Service
1. Check the vehicle wiring according to the wiring diagram and Guided Fault Finding.
2. If no errors are found with the vehicle wiring, replace Convenience System Control Module J393 (address word 46).
Tip: The Access/Start Authorization Antenna can be ruled out as the cause; this may not be correctly shown in the Guided Fault Finding. Replacing the antenna does not address the condition.
Warranty
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
The following Technical Service Bulletin(s) may be necessary to complete this procedure:
^ TSB 2024111, 57 Replaced Comfort System control unit (BCM2) cannot be coded
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 13 83
2021363/5
February 22, 2013
Supersedes Technical Service Bulletin Group 57 number 11-48 dated July 25, 2011 for reasons listed below.
Vehicle Information
Condition
^ Vehicle doors cannot be locked or unlocked using Advanced key.
^ Vehicle cannot be started using the Start-Stop button.
^ In Access/Start Authorization Control Module J518 (address word 05), DTC 03283 (Driver's side Access/Start Authorization Antenna Short Circuit to Ground), DTC 03284 (Right Access/Start Authorization Antenna Short Circuit to Ground) or DTC 00183 (Interior Access/Start Authorization Antenna 1 -R138-) are stored.
^ Vehicle keys function properly otherwise, operating the door locks via the remote control as well as starting the vehicle using the ignition switch.
Technical Background
Not applicable.
Production Solution
Optimized Access/Start Authorization Control Module.
Service
1. Check the vehicle wiring according to the wiring diagram and Guided Fault Finding.
2. If no errors are found with the vehicle wiring, replace Convenience System Control Module J393 (address word 46).
Tip: The Access/Start Authorization Antenna can be ruled out as the cause; this may not be correctly shown in the Guided Fault Finding. Replacing the antenna does not address the condition.
Warranty
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
The following Technical Service Bulletin(s) may be necessary to complete this procedure:
^ TSB 2024111, 57 Replaced Comfort System control unit (BCM2) cannot be coded
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.