N54Tech.com - International Turbo Racing Discussion
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jacksonliam341 jacksonliam341 is offline
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Join Date: Jul 2021
Car: BMW M3 GTR
Default 07-31-2021, 06:55 AM

Same issue for me....

In the past, I would always get 2FCA and 2FDA shadow codes and MHD always indicated it was HPFP related and benign.

Never affected performace.

Now, more recently MHD is now showing 2FDA as Crankshaft sensor signal-missing.

To add to the confusion, I now have a brand new third shadow code 2FDB - Crankshaft sensor signal - not plausible.

No effect on performance.

Common advice in the past was that these were harmless codes you got when the HPFP was replaced under recall.

All of a sudden the same shadow codes are indicating a crankshaft sensor issue
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(#27)
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THE BEAST THE BEAST is offline
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Posts: 1,623
Join Date: Apr 2016
Car: 2008 E93
Default 07-31-2021, 08:51 AM

Quote:
Originally Posted by jacksonliam341
Same issue for me....

In the past, I would always get 2FCA and 2FDA shadow codes and MHD always indicated it was HPFP related and benign.

Never affected performace.

Now, more recently MHD is now showing 2FDA as Crankshaft sensor signal-missing.

To add to the confusion, I now have a brand new third shadow code 2FDB - Crankshaft sensor signal - not plausible.

No effect on performance.

Common advice in the past was that these were harmless codes you got when the HPFP was replaced under recall.

All of a sudden the same shadow codes are indicating a crankshaft sensor issue
Correct.
It has NOTHING to do with crank sensor
Sucks that MHD will not listen and does nothing to correct the problem.
It is not a big deal since its harmless.....until the day the crank sensor really does go out, but codes show its hpfp instead.
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(#28)
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fazman fazman is offline
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Posts: 54
Join Date: Jan 2013
Car: e90 FBO
Default 10-14-2021, 09:39 AM

Any update on this, INPA is showing me these codes as well for a lonnnnnng time:

2DED
2FDB error type 1

every morning I unlock my car the head unit attempts to eject a CD (none is in the player).

I really wish I knew what is popping these codes because I hate codes!!!
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