P1860 on the 2003 Buick LeSabre
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.
| 020730022B | 2004-01-07. Service bulletin. SERVICE ENGINE SOON LIGHT ON WITH DIAGNOSTIC TROUBLE CODES P0716 AND / OR P0717, P0730, P0753, P0758, P1860, P1887 OR OTHER MISCELLANEOUS TRANSMISSION TROUBLE CODES SET. *TT |
|---|---|
| 030730045 | 2003-12-02. Service bulletin. SERVICE ENGINE SOON/SERVICE VEHICLE SOON LAMP ILLUMINATED, TRANSMISSION SLIPS, NO UPSHIFT OR ERRATIC SHIFTS, DIAGNOSTIC TROUBLE CODES (DTCS) P0753, P1860 SET. *TT |
| 020730022A | 2002-10-10. Service bulletin. SERVICE ENGINE SOON LIGHT ON WITH DIAGNOSTIC TROUBLE CODES P0716 AND / OR P0717, P0730, P0753, P0758, P1860, P1887 OR OTHER MISCELLANEOUS TRANSMISSION TROUBLE CODES SET. *TT |
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.