B0053 — Second Row Left Seat Belt Sensor

What Does B0053 Mean?

B0053 is a diagnostic trouble code indicating: Second Row Left Seat Belt Sensor. This code relates to the body electrical system. The vehicle's computer detected a condition outside normal operating parameters and stored this code.

Symptoms of B0053

⚠️ Check Engine Light (MIL) illuminated
⚠️ Second Row Left Seat Belt Sensor not functioning as expected
⚠️ Related system may be in fail-safe mode
⚠️ Interior or exterior lighting malfunction

Common Causes

🔍 Faulty Second Row Left Seat Belt Sensor
🔍 Wiring or connector issue in Second Row Left Seat Belt Sensor circuit
🔍 Related mechanical or electrical fault
🔍 ECM/PCM issue (rare)

Frequently Asked Questions

What does B0053 mean?

B0053 indicates: Second Row Left Seat Belt Sensor. The vehicle's computer has detected that the Second Row Left Seat Belt Sensor is not operating within its expected parameters and stored this diagnostic trouble code.

Can I drive with code B0053?

Yes, B0053 is generally safe to drive with in the short term. However, it should still be addressed to pass emissions testing and prevent potential secondary issues.

How much does it cost to fix B0053?

Repair costs for B0053 typically range from $80 to $300, depending on the root cause. Simple wiring or connector repairs are on the lower end, while component replacement costs more. A proper diagnosis ($80–$150 at most shops) will identify the exact cause before committing to expensive parts.

What To Do Next

Possible Fixes

🔧 Inspect Second Row Left Seat Belt Sensor and related wiring
🔧 Replace faulty Second Row Left Seat Belt Sensor

1
Find your vehicle above
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2
Check for recalls
Go to nhtsa.gov/recalls and enter your VIN. Free repairs if covered.
3
Get a professional diagnosis
A code alone doesn't identify the exact failed part. A diagnostic ($50–$150) pinpoints the root cause.

B0053: Second Row Left Seat Belt Sensor