B1518: Seat Driver Occupied Switch Circuit Short To Ground
What Does B1518 Mean?
B1518 is a manufacturer-specific diagnostic trouble code: Seat Driver Occupied Switch Circuit Short To Ground. This code applies to OTHER vehicles. Unlike generic OBD-II codes, manufacturer-specific codes are defined by the vehicle maker and may only apply to certain makes and models.
Symptoms of B1518
- ⚠️ Warning light on
- ⚠️ Electrical system malfunction
Frequently Asked Questions
What does B1518 mean?
Which vehicles get code B1518?
Can I fix this myself?
Reported Repair Costs for B1518
Based on 3 owner-reported repair costs from NHTSA complaints.
⚠️ These are owner-reported costs, not estimates. Actual costs vary by location, labor rates, and root cause. Source: NHTSA complaints database.
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.