GMC Sonoma Check Engine Bulb Size
The GMC Sonoma check engine light requires PC74 and PC194 bulb sizes for the instrument cluster. Data for the specified components covers the period from 1993 to 2001.
The year-by-year compatibility chart below provides a quick reference to verify the correct bulb size for your vehicle.
Bulb Size by Year Range
| Years | US Type | EU Type | Shop |
|---|---|---|---|
| 1994-2001 | PC74 | T5+PCB | Check Price |
| 1993 | PC194 (With Digital Inst. Cluster) | W5W+PCB | Check Price |
| PC74 (Without Digital Inst. Cluster) | T5+PCB | Check Price |
Bulb Specifications
| Description | Type | Shop |
|---|---|---|
| ANSI standard (US & Canada). Miniature wedge bulb (T5) with printed circuit board twist-lock socket, for instrument clusters. 12V, 1.4W. | PC74 | Check Price |
| ANSI standard (US & Canada). Miniature wedge bulb (T10) with printed circuit board twist-lock socket, for instrument clusters. 12V, 3.78W. | PC194 | Check Price |