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Old 07-09-2009, 09:02 AM   #1
Join Date: Jan 2009
Location: Cincinnati, Ohio
Posts: 44
ACC not maintaining calibration

'99 Saab 9-3

Few weeks ago my gauges went to zero on the highway. I smacked the top of the dash and they came back to life. This happend once more a week later with same fix. No problems with the guages since, except that when this happened the second time the SRS light came on when the gauges came back to life.

The issue, and I'm wondering if this is related, is that the a/c stopped working. I reset teh whole shebang by pulling a battery cable for 15 minutes. After, the a/c worked, but now I'm having a problem, that every time I use the hvac system, it will only blow on the floor and the a/c doesnt' kick in. I have to manually reset teh ACC with the auto + off keystroke and then all works perfectly until I shut the car off, and then I have to reset it again. The ACC throws no codes, just shows a zero while it recalibrates.

What's the deal?
Ohiosnaab is offline  
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