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Discussion Starter · #1 ·
'99 Viggen here.

Okay so I was traveling home (about 75mph), it was -6F outside, and as I was driving my ACC unit turned yellow, and I remember numbers 02 and then 22, something in that area. It flashed like that for about 20 seconds (all the while there was no heat, but the fan was blowing) and then my ACC rebooted and went back to the settings I had it set at.

Anybody able to shed some light on this? From what I understand about computers and such, it just seemed like a reboot and the code that I saw flashing was a POST test (for those of you that know what that is).
 

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LCD may be a bit on the slow side, but more than likely the heat solenoid as part of the climate control may have caused a spike thus resetting the computer. Purely speculation, but possible
 

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Discussion Starter · #5 ·
Yeah it dropped to about -15F :(. Kind of wish the LCD on the ACC was always yellow instead of orange :) .
 
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