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  1. #1

    Default BCM reprogram to fix hyper flash - dealer wants $124

    So I replaced the 4 bulbs in the headlights for the turn signal with LED bulbs knowing that I would have to do the resistors, however, the more I thought about it the less i wanted to add 4 resistors to the mix.

    I cam accross a thread on another forum about a service bullentin #1956334 that describes how dealerships can eliminate the voltage detection in the BCM so that LED lights will work correctly in rear and front turn signals.

    I went to my local dealer and they wanted $124 bucks to reprogram the BCM...I cant see paying that much money just to eliminate the Hyper blink or AKA fast blink.

    At this point I may just switch back to the standard bulbs...

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  2. #2
    Sr. Apprentice redneck70's Avatar
    Join Date
    May 2010
    Regina, Saskatchewan


    WOW $124 bucks for being hooked up to the computer for 3 minutes, that would buy a lot of resistors.
    2007 Silver Birch Metallic Sierra Classic SLE Crew Cab Z71
    Line-X bed liner
    Putco box rails
    Truxedo Lo Pro QT box cover
    Cloud-Rider grill inserts

  3. #3


    Quote Originally Posted by redneck70 View Post
    WOW $124 bucks for being hooked up to the computer for 3 minutes, that would buy a lot of resistors.
    Ya I am still undecided if I am going to order the resistors or what....the resistors just seem like a short cut...I dont know how else to explain it!

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