U1255 on the 2000 Cadillac Catera
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.
| 01317 | 2003-11-18. Service bulletin. RADIO INOPERATIVE WITH KEY ON, AUTO DOOR LOCK FEATURE DISABLED, AIR CONDITIONING COMPRESSOR DOES NOT ENGAGE AND DIAGNOSTIC TROUBLE CODE U1255 STORED IN THE RADIO. RADIO MAY WORK IN RAP OR ACCESSORY UNTIL THE DOOR IS OPENED. *TT |
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1 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.