HarryO Posted January 13, 2012 Report Share Posted January 13, 2012 2004 cadillac cts check engine light, traction control light and brake light all on kicked out 8 different codes, any suggestion Link to comment Share on other sites More sharing options...
Texas Jim Posted January 13, 2012 Report Share Posted January 13, 2012 What are the codes ???? Need the codes to tell what may be wrong and make suggestions... Link to comment Share on other sites More sharing options...
HarryO Posted January 14, 2012 Author Report Share Posted January 14, 2012 What are the codes ???? Need the codes to tell what may be wrong and make suggestions... B0665,C0121,C0899,C0281 P0430,P0300,P0304,P0305,P0306 Link to comment Share on other sites More sharing options...
HarryO Posted January 14, 2012 Author Report Share Posted January 14, 2012 I have done a voltage test for the ECBM and have 12.49 volts at the pin locations A,B and C. I also have a brand new battery, I installed new delco coils about 6 months ago, Full tank of gas, Miss fire history shows cylinder 4 (28), cylinder 5 (14)and cylinder 6 (57) Link to comment Share on other sites More sharing options...
Texas Jim Posted January 14, 2012 Report Share Posted January 14, 2012 B0665,C0121,C0899,C0281 P0430,P0300,P0304,P0305,P0306 B0665... I don't find this one on my list of codes C0121 - Valve Relay Circuit Malfunction .... this is related to the ABS problem... C0899 - Power Supply Circuit Low Voltage... This is related to the Electronic Brake Control Module. C0281 - Brake Switch Circuit ... This one turns on the "BRAKE" light... P0430 - Catalyst System Low Efficiency Bank 2... This will turn on the CHECK ENGINE LIGHT. And you already know what P0300,P0304,P0305,P0306 mean... You have something affecting cylinder 4, 5 and 6... at more or less the same time. Link to comment Share on other sites More sharing options...
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