C0327 on the 2003 GMC Sierra
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.
Nobody has written a description of this code yet.
| 3061 | 2008-01-31. Service bulletin. DTC C0327 WITH OR WITHOUT ADDITIONAL DTC'S SETTING. WITH FOUR WHEEL DRIVE (4WD) ONLY. *NJ |
|---|---|
| 3665 | 2006-01-25. Service bulletin. 4WD INOPERATIVE AND POSSIBLE DTC C0327 STORED IN THE TRANSFER CASE CONTROL MODULE. *TT |
| 3061C | 2004-12-03. Service bulletin. DIAGNOSTIC TROUBLE CODE C0327 WITH OR WITHOUT ADDITIONAL DIAGNOSTIC TROUBLE CODES SETTING. *TT |
| 011603 | 2004-01-30. Service bulletin. CONCERNS WITH THE SERVICE FOUR-WHEEL DRIVE LIGHT OR THE FOUR-WHEEL DRIVE IS INOPERATIVE WITH A C0327 CODE STORED IN THE TCCM. GM VOICEMAIL EXPRESS. *TT |
| 00690B | 2003-11-24. Service bulletin. DIAGNOSTIC TROUBLE CODE C0327 WITH OR WITHOUT ADDITIONAL DIAGNOSTIC TROUBLE CODES (DTCS) SETTING. *TT |
| 030421001 | 2003-04-15. Service bulletin. 4-WHEEL DRIVE LIGHT, 4-WHEEL DRIVE INOPERATIVE, DIAGNOSTIC TROUBLE CODES C0327, P0836, P0500. *TT |
6 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.