RS 4 Quattro Sedan V8-4.2L (BNS) (2007)
Engine Control Module: Customer Interest
Engine Controls - MIL ON/Rough Running/Misfire DTC's
01 MIL on, cold start misfire (DTCS P0300 - P0308)
24 11 63
2017944/4
January 18, 2011.
Supersedes Technical Service Bulletin Group 24 number 09 - 04 dated March 17. 2009 for the reasons listed below.
AFFECTED VEHICLES
CONDITION
^ MIL on.
^ Engine runs rough (misfires) after cold start.
^ Vehicle shudders when accelerating after cold start.
^ Spark plugs wet or sooty.
^ The following DTCs are logged in the memory of the ECM: DTC P0300 - P0308 (misfire).
This condition will not cause stalling or drivability concerns.
TECHNICAL BACKGROUND
The cause is the software of the ECM.
PRODUCTION SOLUTION
Improved software for the ECM.
SERVICE
SVM Update Instructions
1. Follow all instructions in the attached TSB 2011732 00 Software Version Management (SVM), operating instructions.