What are the common causes of B0048?

An open in the third row right side squib circuit. A short to ground on the third row right side wiring. Corrosion at the third row right side connector. A failed third row right side airbag module. A seat connector disturbed during third row removal.

Inspect the third row right side squib wiring for opens and shorts. Check the third row right side connector for corrosion. Check the seat harness connector under the third row right seat. Measure third row right side squib resistance at the control module. Replace the third row right side airbag if the circuit tests open. Clear the code and retest.

B0048

Third Row Right Side Airbag Deployment Control

System: Body control (B code)
Lamp: Airbag Light
Category: Body

What it means

B0048 means Third Row Right Side Airbag Deployment Control.

Check these first

An open in the third row right side squib circuit
A short to ground on the third row right side wiring
Corrosion at the third row right side connector
A failed third row right side airbag module
A seat connector disturbed during third row removal

What to do next

Inspect the third row right side squib wiring for opens and shorts
Check the third row right side connector for corrosion
Check the seat harness connector under the third row right seat
Measure third row right side squib resistance at the control module
Replace the third row right side airbag if the circuit tests open
Clear the code and retest

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Updated

Generic SAE J2012 definition. Last updated 2026-10-10.