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Had Brake Fluid Done and Also ECM update ????

Cut-Throat

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I took my car in yesterday and the Brake Fluid changed per the TSB. They also said I needed an ECM update. I asked what that was for and they honestly didn't know. Anyone here know what the ECM update was for?
 
[excerpt]

from service site: 13-FL-009 ECM UPDATE - MIL ON DTC P0456

Description:
This bulletin provides information for an ECM diagnostic code logic update on some Genesis Sedan 4.6L vehicles that may experience the following DTC:

- P0456 : Evaporative Emission System-Leak detected (very small leak)

NOTE: There are no vehicle performance issues associated with this condition.
 
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[excerpt]

from service site: 13-FL-009 ECM UPDATE - MIL ON DTC P0456

Description:
This bulletin provides information for an ECM diagnostic code logic update on some Genesis Sedan 4.6L vehicles that may experience the following DTC:

- P0456 : Evaporative Emission System-Leak detected (very small leak)

NOTE: There are no vehicle performance issues associated with this condition.


Thanks !:)
 
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