ECU Issues?

Old Jan 9, 2018, 10:55 AM
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ECU Issues?

I have an issue with my car getting tuned. I had the car on the dyno and kept having issues where it seem to fuel cut/ turn off rpms will drop and car will turn back on and be normal. In the process of it turning on the dash will display “Enginge System service required” in red letters, but not check engine lights are on or stay on. I took the car to the dealership and have them connected to The Mut System and has some codes saved. My tuner says they never ran into this issue and it could be my Body Module going out.

p0830 clutch pedal sw circuit
U0100. Engine can timeout
C1290 fail safe mode lost can data
U0141 Etacs can timeout
C1617 Awc can(main) data no reception

can these codes be the ones causing the issue? Can the ecu be bad?

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Old Jan 17, 2018, 08:42 AM
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Electrical gremlins can be a kick in the ween. I could be mistaken, but if it was the BCM I don't think your engine would be affected. I have a feeling the problem lies between the ECU and the engine or the ECU and the instrument cluster.

Check all of your grounds first, that's the easy part. Then check all of the connections from the ECU to the engine to make sure none of them or loose or damaged. Let us know if you find anything.
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Old Apr 16, 2019, 07:59 AM
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hi Guys,

I have the same code C1290 fail safe mode - anybody solved it?
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