Thread: P219a Code
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Old 07-31-2017, 02:37 PM   #5
JANNETTYRACING

 
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Drives: BLUE CAMARO ZL1 1LE M6
Join Date: Jun 2009
Location: ON THE DYNO WATERBURY CT.
Posts: 15,225
Quote:
Originally Posted by PQ View Post
I have taken to just unhooking the front ECM connector and hooking it back real quick when it does it to me to get the AC back on. Sometimes it'll go a week and sometimes a day. Dealer doesn't have a clue.

My sensor measures good. My continuance to the ECM reads good and I've changed the thermostat out.

Hell the old sensor read good too but I changed it anyway just in case.

This is a pain in the ass.
Proper tuning corrects this.

Ted.
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