C1233 on the 2001 Ford Explorer
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.
| 16437 | 2004-07-28. Service bulletin. DIAGNOSTIC TROUBLE CODE (DTC) C1233 & C1234 - REPLACE ANTI-LOCK BRAKE SYSTEM EUC. *MJ |
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| 15859 | 2002-12-04. Service bulletin. SOME VEHICLES WITH 4WABS MAY EXHIBIT DIAGNOSTIC TROUBLE CODES C1233 AND C1234 (ANTI-LOCK BRAKE SENSOR OUTPUT FAILURE). *TT |
| 15813 | 2002-12-02. Service bulletin. SOME VEHICLES EQUIPPED WITH 4WABS MAY EXHIBIT DIAGNOSTIC TROUBLE CODES C1233 AND C1234 (ANTI-LOCK BRAKE SENSOR OUTPUT FAILURE). *TT |
| 16021 | 2002-11-06. Service bulletin. SOME VEHICLES WITH 4WABS MAY EXHIBIT DIAGNOSTIC TROUBLE CODES C1233 AND C1234 (ANTI-LOCK BRAKE SENSOR OUTPUT FAILURES) IN SLIPPERY CONDITIONS. *TT |
4 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.