OBD II Fault Code P9991 :

Description of Fault code P9991

Possible failuer P9991

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MIL Status

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Note:

AutoHex II is a professional Auto diagnostic.
This fault code is a GERENRIC fault code, some cars may change the meaning of this fault code.
To get the accurate fault code description you may use AutoHex II

More Fault codes:

OBD II Fault Code P9992
OBD II Fault Code P9993
OBD II Fault Code P9994
OBD II Fault Code P9995
OBD II Fault Code P9996
OBD II Fault Code P9997
OBD II Fault Code P9998
OBD II Fault Code P9999
OBD II Fault Code P999A
OBD II Fault Code P999B

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