B0040: Third Row Left Side Airbag Deployment Control
What Does B0040 Mean?
B0040 is a diagnostic trouble code indicating: Third Row Left Side Airbag Deployment Control. This code relates to the body electrical system. The vehicle's computer detected a condition outside normal operating parameters and stored this code.
What To Do Next
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1
Find your vehicle above
Click your make and model for real owner reports and common causes specific to your vehicle.
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2
Check for recalls
Go to nhtsa.gov/recalls and enter your VIN. Free repairs if covered.
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3
Get a professional diagnosis
A code alone doesn't identify the exact failed part. A diagnostic ($50–$150) pinpoints the root cause.
Related Codes
B0038
Second Row Right Side Airbag Deployment Control
B0039
Second Row Right Frontal Stage 1 Deployment Control
B0041
Third Row Left Frontal Stage 1 Deployment Control
B0042
Third Row Left Frontal Stage 2 Deployment Control
B0043
Third Row Left Frontal Stage 3 Deployment Control
B0001
Driver Frontal Stage 1 Deployment Control
B0002
Driver Frontal Stage 2 Deployment Control
B0003
Driver Frontal Stage 3 Deployment Control