Audi Q5 Technical Service Bulletin # 901228 Date: 120328
Computers/Control - No Start After CAN Bus Silence
01 Engine will not start until after CAN bus silence
90 12 28
2023552/3
March 28, 2012.
Supersedes Technical Service Bulletin Group 90 number 10 - 19 dated August 18, 2010 for reasons listed below.
Affected Vehicles
Condition
^ The customer may report that the engine does not start. After waiting for several minutes (CAN bus system silence), the engine can be started.
^ The 19 - Data bus on board diagnostic interface J-533 software version is between 095 and 120.
Technical Background
Communication issue on the powertrain CAN bus caused by the wake-up-monitor within J-533 (Gateway).
Production Solution
Modified 19 - Data bus on board diagnostic interface J-533 software (adjusted wake-up-monitor strategy).
Service
1. Check the diagnosis protocol for the following entries:
DTC 4719 in 01 - Engine Electronics.
DTC 12583424 in 15 - Airbag.
DTC 1312 in 19 - Data bus on board diagnostic interface.
Besides these relevant entries, other control units may also have communication entries stored.
SVM Update Instructions
2010 Audi Q5 Quattro (8RB) V6-3.2L (CALB) Page 164
2. Follow all instructions in the attached TSB 2011732 00 Software Version Management (SVM), operating instructions.
3. Check the software version of J-533. Update the software as needed using the SVM action code listed in the table above.
4. Through Vehicle Self Diagnosis, change adaptation channel 7 in J-533 to HEX 030000 to re enable the wake-up-monitor.
Warranty
Additional Information
The following Technical Service Bulletin will be necessary to complete this procedure:
^ TSB 2011732 00 Software Version Management (SVM), operating instructions.
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.
Attachment
2010 Audi Q5 Quattro (8RB) V6-3.2L (CALB) Page 165
2010 Audi Q5 Quattro (8RB) V6-3.2L (CALB) Page 166
2010 Audi Q5 Quattro (8RB) V6-3.2L (CALB) Page 167
2010 Audi Q5 Quattro (8RB) V6-3.2L (CALB) Page 168
2010 Audi Q5 Quattro (8RB) V6-3.2L (CALB) Page 169
2010 Audi Q5 Quattro (8RB) V6-3.2L (CALB) Page 170
2010 Audi Q5 Quattro (8RB) V6-3.2L (CALB) Page 171
2010 Audi Q5 Quattro (8RB) V6-3.2L (CALB) Page 172
2010 Audi Q5 Quattro (8RB) V6-3.2L (CALB) Page 173
2010 Audi Q5 Quattro (8RB) V6-3.2L (CALB) Page 174
^ TSB 2011732 00 Software Version Management (SVM), operating instructions.
