Fault Description: BMW MEVD17-25 Engine ECU Fuel Injection System Failure
Fault Codes: The following fault codes may be logged in the MEVD17-25 Engine ECU:
1. 30BA – DME: Digital Motor Electronics, Internal Fault
2. 30BB – DME: Digital Motor Electronics, Internal Fault
3. 29CC – DME: Digital Motor Electronics, Misfire Detection, Multiple Cylinders
4. 29CF – DME: Digital Motor Electronics, Misfire Detection, Cylinder 1
5. 29D0 – DME: Digital Motor Electronics, Misfire Detection, Cylinder 2
6. 29D1 – DME: Digital Motor Electronics, Misfire Detection, Cylinder 3
7. 29D2 – DME: Digital Motor Electronics, Misfire Detection, Cylinder 4
8. 29D9 – DME: Digital Motor Electronics, Misfire Detection, Cylinder 5
9. 29DA – DME: Digital Motor Electronics, Misfire Detection, Cylinder 6
10. 2D5A – DME: Digital Motor Electronics, Charge-air pressure control, Deactivation
Affected Vehicles and Production Years: The BMW MEVD17-25 Engine ECU is commonly fitted to various BMW models, including, but not limited to:
1. BMW 1 Series (F20, F21) – Production years: 2011-2019
2. BMW 2 Series (F22, F23, F87) – Production years: 2014-2021
3. BMW 3 Series (F30, F31, F34, F80) – Production years: 2011-2019
4. BMW 4 Series (F32, F33, F36, F82, F83) – Production years: 2013-2020
5. BMW 5 Series (F10, F11, F07) – Production years: 2010-2016
6. BMW 6 Series (F06, F12, F13) – Production years: 2010-2018
7. BMW 7 Series (F01, F02, F03, F04) – Production years: 2008-2015
8. BMW X1 (F48, F49) – Production years: 2015-2021
9. BMW X3 (F25, F26) – Production years: 2010-2017
10. BMW X4 (F26) – Production years: 2014-2018
11. BMW X5 (F15, F85) – Production years: 2013-2018
12. BMW X6 (F16, F86) – Production years: 2014-2019
Description:
The BMW MEVD17-25 Engine ECU (Digital Motor Electronics) is a critical component responsible for managing the fuel injection system and other engine functions. It monitors various sensors to ensure precise fuel delivery, ignition timing, and overall engine performance.
One common fault that can occur with the MEVD17-25 Engine ECU is a failure in the fuel injection system or related components. This failure can lead to various issues, such as engine misfires, rough idle, poor fuel efficiency, and reduced engine power.
When the MEVD17-25 Engine ECU detects a fault within the fuel injection system or other engine-related components, it may log one or more of the above-mentioned fault codes to indicate the specific issue. The fault codes “30BA” and “30BB” indicate internal ECU faults, while the codes starting with “29CC” and “29CF” to “29DA” represent specific cylinder misfire detections. The code “2D5A” relates to a charge-air pressure control deactivation fault.