Brian in NE Posted July 20, 2021 Report Share Posted July 20, 2021 I have a 2001 Deville DTS with 54k on it. The ac stopped working abruptly. I have checked the codes and the only thing coming up is B0429 ipm. I jumped the compressor and it works but won't engage with the relay. Changed relays no change. Refrigerant level is where it is supposed to be. Cleared codes and even disconnected battery overnight. Any suggestions? Quote Link to comment Share on other sites More sharing options...
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