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Super Moderator
2015 Acura TLX, V6, P-AWS, Advance package
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1,127 Posts
That is a strange code. Have you recently had rear brake work done on your TLX? I understand that these electronic rear brakes a fussy when changing pads/rotors.
 

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Super Moderator
2015 Acura TLX, V6, P-AWS, Advance package
Joined
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1,127 Posts
Just purchased the car previous owner said he just had the rear pads replaced.
Are you able to reset DTC's? I see you are connected to your car from your picture in the first post.
Found this tidbit:
Did a health check and found dtc in pgm-fi p0456 and found in electric parking brake dtc u0404-68 reset dtc p0456 and the hand brake dtc.
Fix pgm-fi first, will reset the dtc for hand brake
Not sure of some of the lingo in that quote, but it may help.
Let us know what you find.
 
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