J_Lac Posted March 17, 2011 Report Share Posted March 17, 2011 I ran a couple of OBD-11 runs after I gave it a routine tune-up, I disconnected the battery for about 2-3 days after the tune up, other codes that where previously "history" disappeared but i received new ones: ACM/B1348 (history) - Very Low A/C/ Refrigerant Pressure IPC/B1552 (history) - Keep Alive Memory (KAM) Error IRC/B1903 (history) - Air Bag Crash Sensor #1 (Ground Circuit Short to Battery) PCM/P1645 (history) - Evaporative Emission (EVAP) Vent Solenoid Output Circuit PCM/P0603 (history) - Control Module Long Term Memory Reset ACM/C1255 (history) - EBCM Internal Malfunction IRC/u1129 (history) - Loss of Communication with AMP RFA/U1300 (hisotry) - Class 2 Short to Ground With that said i am trying to figure out where to start to fix these problems, car feels good and runs good but dont like having these type of problems on my mind. If anybody has ever fixed any of these problems, it would be greatly appreciated! (1998 Deville Concours/4.6/=117K Miles) * The Bold,Underscored, Itaizised Code Wasnt on the Site that I referred to Link to comment Share on other sites More sharing options...
Ranger Posted March 18, 2011 Report Share Posted March 18, 2011 Since they are all history, I'd clear them and see what returns. P.S. Check your battery voltage. Low voltage will set all sorts of false codes. Link to comment Share on other sites More sharing options...
J_Lac Posted March 18, 2011 Author Report Share Posted March 18, 2011 I've tried to like others say after the pcm and taking off batery neg..? But how else would I clear them? ill post up 2morrow afternoon after: a drive or while warming up or idle ? Link to comment Share on other sites More sharing options...
J_Lac Posted March 29, 2011 Author Report Share Posted March 29, 2011 Sorry, been very busy these past days..but the voltage after driving is from 13.8 to 14 @ idle, whin I first trun the ignition on its at about 12.8 Link to comment Share on other sites More sharing options...
Ranger Posted March 30, 2011 Report Share Posted March 30, 2011 Your voltage looks OK. There is a link somewhere on how to pull the codes, I thought it was on the home page but I can't find it. Link to comment Share on other sites More sharing options...
J_Lac Posted March 30, 2011 Author Report Share Posted March 30, 2011 Its ok Ranger, I got the details and now cleared all codes, now now codes show, but I did it in my garage. Ill give it a test run tomorrow and see what else pops up.. thanks Link to comment Share on other sites More sharing options...
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