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2010 BMW M3 4.0L MIL Lamp on, limp home mode
Posted to European Driveability on 1/28/2022 13 Replies

I truly believe the noise in the 5v ref is the key to the problem but I haven't had any luck on finding it. I can send a snapshot of my lab scope waveform in hope that someone will recognize it. It looks like a coil fluctuating/firing being pick up by the ...

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  Related Documents & Media  2010 BMW M3

 
Message Closed w/Summary

car Vehicle Data

2010 BMW M3

VIN WBSWD9C53A
Engine4.0 L / 8 cyl / GAS
Trans7-speed Automatic (Electronic)
DeliveryFuel Injection / Multi port fuel injection
EmissionsOBD-II Compliant
SymptomsMIL Lamp on, Limp Home Mode
OccursIntermittently, Intermitted but Most of the Time on Start Up

Trouble Codes

2771DME Upstream oxygen sensor dynamic diagnosis bank 1
278DBSD Bit-serial Data Interface message alternator missing
2B15DME throttle valve actuator governor monitoring bank 1
2B21DME Throttle valve actuator pre-drive check bank 1
2B2DDMEThrottle valve initialization Bank 2
C0DC0DME throtle catuator CAN message bank 2
Message Closed w/Summary

car Vehicle Data

2010 BMW M3

VIN WBSWD9C53A
Engine4.0 L / 8 cyl / GAS
Trans7-speed Automatic (Electronic)
DeliveryFuel Injection / Multi port fuel injection
EmissionsOBD-II Compliant
SymptomsMIL Lamp on, Limp Home Mode
OccursIntermittently, Intermitted but Most of the Time on Start Up

Trouble Codes

2771DME Upstream oxygen sensor dynamic diagnosis bank 1
278DBSD Bit-serial Data Interface message alternator missing
2B15DME throttle valve actuator governor monitoring bank 1
2B21DME Throttle valve actuator pre-drive check bank 1
2B2DDMEThrottle valve initialization Bank 2
C0DC0DME throtle catuator CAN message bank 2