[RFI] Resetting Auto Computer

Ken Winterling wa2lbi at gmail.com
Thu May 29 14:55:46 EDT 2014

FYI, you can reduce the reset time to a few seconds .  After disconnecting
the ground cable just step on the brake pedal.  Reconnect the ground cable
and you are good to go.


On Thu, May 29, 2014 at 2:46 PM, Michael Germino <ad6aa at sbcglobal.net>

> After reading the item from Jim below, I wondered if everyone knew how to
> reset their auto computer.
> Simply disconnect the Ground cable to the battery for about a half minute
> and reconnect.
> (Worked for my GMC pickup, there may be problems with some newer autos
> that may be set up with some anti-thief protection.  Some auto radios have
> to be recoded if power is disconnected.  So YMMV.)
> I had a wiring harness problem that took a long time to find and fix, so
> whenever the throttle control body wouldn't respond I would pull over and
> disconnect the battery.  It would run for a few hours to a week before the
> problem would return.
> Mike
> 73, AD6AA
> ________________________________________________________________
> Another thing to watch out for with anything Toyota. I bought my 2006
> Sequoia (big SUV) when I began my move from Chicago in the fall of 2005,
> and tried HF mobile on some cross-country trips. That quickly ground to
> a halt when I learned that RF was getting into the car's computer and
> putting me in "limp home" mode. Since I was deep into moving, I had no
> time to troubleshoot it, and once I had moved, no longer wanted to do HF
> mobile. :) Items #1 and #2 are aimed both at this issue, and also at
> minimizing RX noise.
> 73, Jim K9YC
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