pnkmcneil Posted December 16, 2010 Report Share Posted December 16, 2010 "Service Engine Soon" on dash display. DTC reads only U1000 and B0429. U1000 = network error. Means what? Need a repair? B0429 = A/C rear seat temperature door. Need to repair? How to delete "Service Engine Soon" display? Clear/Erase "All Clear Codes"? Or a selective item delete, eg. IPC and/or IPM? Link to comment Share on other sites More sharing options...
Ranger Posted December 17, 2010 Report Share Posted December 17, 2010 Not sure what your question is, but this might be what you are looking for. http://www.caddyinfo.com/readingcodes.html Link to comment Share on other sites More sharing options...
pnkmcneil Posted December 19, 2010 Author Report Share Posted December 19, 2010 Not sure what your question is, but this might be what you are looking for. http://www.caddyinfo.com/readingcodes.html What do I do to delete only the "Service Engine Soon" display? Do I delete just the two error codes that come up, when reading the codes? Link to comment Share on other sites More sharing options...
pnkmcneil Posted December 19, 2010 Author Report Share Posted December 19, 2010 To remove the "Service Engine Soon" display, do I clesr just the error codes? Or, do I have to clear all codes? Link to comment Share on other sites More sharing options...
pnkmcneil Posted December 19, 2010 Author Report Share Posted December 19, 2010 Not sure what your question is, but this might be what you are looking for. http://www.caddyinfo.com/readingcodes.html What do I do to delete only the "Service Engine Soon" display? Do I delete just the two error codes that come up, when reading the codes? Link to comment Share on other sites More sharing options...
WarrenJ Posted December 19, 2010 Report Share Posted December 19, 2010 U1000 indicates an "unknown" module on the class 2 data line failed to respond. B0429 suggests it is the HVAC module that is the culprit. I don't believe this would set the SES light ON. Sorry I can't be more help. There is no means of avoiding the final collapse of a boom brought about by credit expansion. The alternative is only whether the crisis should come sooner as the result of a voluntary abandonment of further credit expansion, or later as a final and total catastrophe of the currency system involved. - Ludwig von Mises Link to comment Share on other sites More sharing options...
JimD Posted December 19, 2010 Report Share Posted December 19, 2010 To remove the "Service Engine Soon" display, do I clesr just the error codes? Or, do I have to clear all codes? You want to display and clear all the codes following the instructions on this page; http://www.caddyinfo.com/readingcodes.html Be sure to make a note of any "P" codes. Jim Drive your car. Use your cell phone. CHOOSE ONE ! Link to comment Share on other sites More sharing options...
pnkmcneil Posted December 20, 2010 Author Report Share Posted December 20, 2010 To remove the "Service Engine Soon" display, do I clesr just the error codes? Or, do I have to clear all codes? You want to display and clear all the codes following the instructions on this page; http://www.caddyinfo.com/readingcodes.html Be sure to make a note of any "P" codes. Link to comment Share on other sites More sharing options...
pnkmcneil Posted December 20, 2010 Author Report Share Posted December 20, 2010 No "P" Codes. Only U1000 and B0429. Link to comment Share on other sites More sharing options...
JimD Posted December 20, 2010 Report Share Posted December 20, 2010 No "P" Codes. Only U1000 and B0429. Your car is haunted! The SERVICE ENGGINE SOON message is caused or triggered only by "P" codes. Jim Drive your car. Use your cell phone. CHOOSE ONE ! Link to comment Share on other sites More sharing options...
pnkmcneil Posted December 21, 2010 Author Report Share Posted December 21, 2010 No "P" Codes. Only U1000 and B0429. Your car is haunted! The SERVICE ENGGINE SOON message is caused or triggered only by "P" codes. I neglected to note that the codes are as follows: IPC - U1000 IPM - B0429 Link to comment Share on other sites More sharing options...
pnkmcneil Posted December 21, 2010 Author Report Share Posted December 21, 2010 No "P" Codes. Only U1000 and B0429. Your car is haunted! The SERVICE ENGGINE SOON message is caused or triggered only by "P" codes. I neglected to note that the codes are as follows: IPC - U1000 IPM - B0429 Also, these Codes are noted as "Current". Everything else is "History" or "No ___ Codes". Link to comment Share on other sites More sharing options...
BodybyFisher Posted December 21, 2010 Report Share Posted December 21, 2010 Give any P code even if it is history, they stay and keep the light on, for a specified number of cycles. Pre-1995 - DTC codes OBD1 >> 1996 and newer - DTC codes OBD2 >> https://www.obd-codes.com/trouble_codes/gm/obd_codes.htm How to check for codes Caddyinfo How To Technical Archive >> http://www.caddyinfo.com/wordpress/cadillac-how-to-faq/ Cadillac History & Specifications Year by Year http://www.motorera.com/cadillac/index.htm Link to comment Share on other sites More sharing options...
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