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.
SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSBMW2001330CI CONVERTIBLE (E46) L6-3.0L (M54)REPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSTECHNICAL SERVICE BULLETINSALL TECHNICAL SERVICE BULLETINSENGINE CONTROLS - DSC NOT RECOGNIZED DURING DIAGNOSTICS
2001 BMW 330Ci Convertible (E46) L6-3.0L (M54)
Engine Controls - DSC Not Recognized During Diagnostics
2001 BMW 330Ci Convertible (E46) L6-3.0L (M54)SECTION Engine Controls - DSC Not Recognized During Diagnostics
SI B34 01 05
Brakes
June 2005
Technical Service
This Service Information bulletin supersedes Service Measure B34 200 04 dated September 2004.
SUBJECT
Dynamic Stability Control (DSC) Not Recognized
MODEL
E46 (3 Series)
SITUATION
DSC control module cannot be automatically identified during diagnostic process.
CAUSE
Diagnostic software error.
CORRECTION
Manually identify the vehicle and then connect the diagnostic head to establish communication with the vehicle.
PROCEDURE
1. For all E46, except M3: the diagnostic software error will be corrected in CD39.
2. For M3: the diagnostic software error will be corrected in CD41.
Disclaimer
Brakes
June 2005
Technical Service
This Service Information bulletin supersedes Service Measure B34 200 04 dated September 2004.
SUBJECT
Dynamic Stability Control (DSC) Not Recognized
MODEL
E46 (3 Series)
SITUATION
DSC control module cannot be automatically identified during diagnostic process.
CAUSE
Diagnostic software error.
CORRECTION
Manually identify the vehicle and then connect the diagnostic head to establish communication with the vehicle.
PROCEDURE
1. For all E46, except M3: the diagnostic software error will be corrected in CD39.
2. For M3: the diagnostic software error will be corrected in CD41.
Disclaimer
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
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.