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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Technical Forums > BMW Coding > My car has 2 fault codes that won't clear. Is that normal sometimes? Clueless



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      05-21-2016, 12:13 PM   #1
Guido S
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My car has 2 fault codes that won't clear. Is that normal sometimes? Clueless

P1776 Ignition Retard Request Duration Fault
P1777 Ignition Retard Request Circuit Fault

These won't go away. I have a cheapo obdii scanner which says it has cleared them but never does? Does the car have to be running or at least key in ignition?
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      05-21-2016, 12:17 PM   #2
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2007 BMW 335  [0.00]
what engine?
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      05-21-2016, 04:35 PM   #3
Guido S
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N52. Car performs great. Have a inactive tpms light on but that's all. What do you think?
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      05-22-2016, 03:49 AM   #4
Len_Beach
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This suggests the TPMS/Wheel speed sensor could be an issue but it doesn't make sense from the description.

http://www.northamericanmotoring.com...s-and-cel.html

Can you scan with INPA/Rheingold as I'm assuming they're codes from a generic fault reader?
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      05-22-2016, 04:52 AM   #5
PhaseP
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The 3rd digit (1st being P) being 7 indicates transmission related code.
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