Volvo VN Back Up Light Bulb Size

The Volvo VN back up light requires bulb size 1156 or P21W depending on the specific application. Data for the lighting components covers the range from 1998 to 2004.

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	Bulb Size
2004	1156
1998-1999	1156

Bulb Specifications

Description	Bulb Size
ANSI standard (US & Canada). Single-filament bulb with BA15s bayonet base. 12V, 21W.	1156

Other Locations

Additional Notes

The 1156 is the sole bulb type listed across all model years of the Volvo VN back up light specifications provided.
The 1156 is a single-filament bulb, meaning it serves one lighting function rather than sharing a housing with a dual-purpose filament for combined stop and tail operations.
The 1156 operates at 12 volts and 21 watts, which places it within the standard low-voltage automotive electrical range common to most commercial and passenger vehicles.
The 1156 uses a BA15s bayonet base, a single-contact mount that locks into its socket with a quarter-turn motion and is not interchangeable with the BA15d dual-contact bayonet base used on two-filament bulbs such as the 1157.
The 1156 conforms to ANSI standards recognized in both the United States and Canada, indicating a standardized specification for electrical and physical characteristics across North American markets.
The Volvo VN (1998-1999 and 2004) uses the 1156 bulb size for the back up light position, with no variation in bulb type across those years.