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C1212 on the 2015 Kia Forte

The bulletins listed name this code in NHTSA's summary, or are about the same components. A bulletin or a recall listed here may apply to the model year. None of it is a diagnosis.

This code is specific to a manufacturer and is not described here. Its meaning is in the manufacturer's service information.

Bulletins for this model year that name C1212
TSBCHA0582017-01-31. Service bulletin. TSB: TPMS SENSOR REPLACEMENT - THIS BULLETIN PROVIDES THE PROCEDURE TO REPLACE THE TPMS SENSORS ON SOME 2014~2015MY FORTE (YD) VEHICLES, PRODUCED FROM FEBRUARY 18, 2013 THROUGH MARCH 31, 2015, WHICH MAY EXHIBIT A TPMS LIGHT ILLUMINATED IN THE CLUSTER, ALONG WITH DTC C1212 – VEHICLE SPEED SENSOR. TO CORRECT THIS CONCERN, REPLACE ALL FOUR (4) TPMS SENSORS WITH THE IMPROVED PARTS, BY FOLLOWING THE PROCEDURE OUTLINED IN THIS BULLETIN.
TSBCHA065R32017-01-23. Service bulletin. TSB: COMBINED TSB /SERVICE ACTION: MIL ON WITH DTC C1212 LOGIC IMPROVEMENT (SA216) - THIS BULLETIN PROVIDES INFORMATION RELATED TO THE ECM SOFTWARE UPGRADE OF SOME 2014~2015MY FORTE (YD), PRODUCED FROM DECEMBER 7, 2013 TO APRIL 16, 2015, AND SOME 2014MY SPORTAGE (SL) VEHICLES, PRODUCED FROM APRIL 4, 2013 THROUGH JUNE 18, 2014, WHICH MAY EXHIBIT A MALFUNCTION INDICATOR LIGHT (MIL) ON WITH DTC C1212. TO APPLY THE IMPROVED LOGIC, THE ECM SHOULD BE REPROGRAMMED USING THE GDS/KDS DOWNLOAD, AS DESCRIBED IN THIS BULLETIN.
TSB-CHA-065-R12016-09-14. Service bulletin. COMBINED TSB/SERVICE ACTION: MIL ON WITH DTC C1212 - LOGIC IMPROVEMENT (SA216) - THIS BULLETIN PROVIDES INFORMATION RELATED TO THE ECM SOFTWARE UPGRADE OF SOME 2014~2015MY FORTE (YD), PRODUCED FROM DECEMBER 7, 2013 TO APRIL 16, 2015, AND SOME 2014MY SPORTAGE (SL) VEHICLES, PRODUCED FROM APRIL 4, 2013 THROUGH JUNE 18, 2014, WHICH MAY EXHIBIT A MALFUNCTION INDICATOR LIGHT (MIL) ON WITH DTC C1212. TO APPLY THE IMPROVED LOGIC, THE ECM SHOULD BE REPROGRAMMED USING THE GDS/KDS DOWNLOAD, AS DESCRIBED IN THIS BULLETIN. FOR CONFIRMATION THAT THE LATEST REFLASH HAS BEEN DONE TO A VEHICLE YOU ARE WORKING ON, VERIFY ROM ID USING THE TABLES IN THIS TSB.

3 on file from NHTSA, as of 2026-10-19. See them in the bulletin list. A bulletin lists model years: read the document for which vehicles it concerns.