98deville Posted January 19, 2005 Report Share Posted January 19, 2005 My CHECK ENGINE LIGHT came on the other day, I pressed the off & warmer buttons and pulled up these codes: PCM P0122 P0463 P0603 P1599 ACM B1348 SDM B1147 B1148 B1327 Anyone Know what would cuase the air bag malfunction, low voltage and all that? And what can I do to fix it? I also recently changed my Coolant.. and cleaned the tb and egr valve.....could it be that i disconnected the connectors on the tb and egr valve? Link to comment Share on other sites More sharing options...
christophercon Posted January 22, 2005 Report Share Posted January 22, 2005 After dissconnecting those connectors I would double check the connectors to make sure they are pushed all the way in and dont have bent pins. After that -disconnect your battery as this will clear codes and check for new codes in the near future. Link to comment Share on other sites More sharing options...
98deville Posted January 22, 2005 Author Report Share Posted January 22, 2005 My "Check Engine Light" when off by itself 2 days ago, and just yesterday (fri) it came on again. I pulled the codes up again and this time i had 2 current codes which were- P0171 P0174 I checked what the codes were but i dont know whats cuasing this Link to comment Share on other sites More sharing options...
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