B0090 — Left Frontal Restraints Sensor

Q: "Can I drive with this code?"

"It depends on the severity. If the vehicle runs normally, short trips are usually OK. If you notice performance issues, drivability problems, or warning lights beyond the check engine light, get it checked soon."

Q: "Will this code clear itself?"

"Some codes clear automatically after the underlying issue is fixed and several drive cycles pass. But the root cause must be addressed first."

Q: "How do I find the exact cause?"

"A code alone doesn't pinpoint the failed part. You need a diagnostic scan ($50-150 at most shops) that reads freeze frame data and live sensor readings to identify the specific component."

What Does B0090 Mean?

B0090 is a diagnostic trouble code indicating: Left Frontal Restraints Sensor. This code relates to the body electrical system. It has been reported in NHTSA complaints across 1 different vehicle models.

Symptoms of B0090

⚠️ Knocking or pinging noise

Real Owner Reports

From NHTSA complaint database — actual owner descriptions.

"On September 17. 2025 I was at a red light on Normandie Avenue and Exposition Blvd the light turned green and as I was entering the intersection going southbound my doors on the vehicle started locking and un locking, my dashboard went black and the car shut off, The Braking system malfunction, the "
— Honda Hr-V owner, 09/17/2025

Source: NHTSA Complaints Database

Most Reported Vehicles for B0090

Based on NHTSA owner complaint data.

#	Vehicle	Reports
1	HONDA HR-V

Frequently Asked Questions

Can I drive with this code?

It depends on the severity. If the vehicle runs normally, short trips are usually OK. If you notice performance issues, drivability problems, or warning lights beyond the check engine light, get it checked soon.

Will this code clear itself?

Some codes clear automatically after the underlying issue is fixed and several drive cycles pass. But the root cause must be addressed first.

How do I find the exact cause?

A code alone doesn't pinpoint the failed part. You need a diagnostic scan ($50-150 at most shops) that reads freeze frame data and live sensor readings to identify the specific component.

What To Do Next

Possible Fixes

🔧 Have the code scanned with a professional-grade scanner to read freeze frame data
🔧 If DIY repair isn't feasible, get a diagnostic from a trusted mechanic ($50-150)

1
Find your vehicle above
Click your make and model for real owner reports and common causes specific to your vehicle.
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.

B0090: Left Frontal Restraints Sensor