AutoCodes – Generic – B2A37

B2A37 Code - Floor Lamp Output Circuit Open

Quick Answer

The Smart Junction Box (SJB) monitors the Floor Lamp Output Circuit. Common causes include Faulty Floor Lamp, Floor Lamp harness is open or shorted, Floor Lamp circuit poor electrical connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means: B2A37 indicates Floor Lamp Output Circuit Open.
Common causes: Common causes include Faulty Floor Lamp, Floor Lamp harness is open or shorted, Floor Lamp circuit poor electrical connection.
Severity: High - diagnose this code as soon as possible.
Can I drive?: Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

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Code Popularity 639

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Feb 26, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B2A37 Description

The Smart Junction Box (SJB) monitors the Floor Lamp Output Circuit. The SJB sets the OBDII code when the Floor Lamp Output Circuit is not to factory specifications.

OBDII Code B2A37 - Floor Lamp Output Circuit Open - AutoCodes.com — B2A37 Code - Floor Lamp Output Circuit Open

What does this mean?

What are the Possible Causes of the DTC B2A37?

Faulty Floor Lamp
Floor Lamp harness is open or shorted
Floor Lamp circuit poor electrical connection
Faulty Smart Junction Box (SJB)

How to Fix the DTC B2A37?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the B2A37 code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

Need more information about the B2A37 code?

Need more information on how to fix the B2A37 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B2A37 code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

B2A37 Ford — Floor Lamp Output Circuit Open
B2A37 Lincoln — Floor Lamp Output Circuit Open
B2A37 Mercury — Floor Lamp Output Circuit Open

About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about B2A37 Code

1. What does the OBDII code B2A37 mean?

B2A37 indicates an open circuit in the floor lamp output, meaning the electrical signal to the floor lamp is interrupted or disconnected.

2. What are the common symptoms of the B2A37 code?

Symptoms include non-functional floor lamps, dim or flickering lights, and possibly a warning light or error message on the dashboard.

3. What causes the B2A37 code to appear?

Common causes include a damaged or disconnected wiring harness, a blown fuse, a faulty floor lamp bulb, or a defective lighting control module.

4. Can I drive my car with the B2A37 code?

Yes, this code typically does not affect drivability. However, itâ€™s best to repair the issue promptly for optimal vehicle functionality.

5. How do I diagnose the B2A37 code?

Start by checking the floor lamp bulb, inspecting the wiring harness for damage, testing the fuse, and using a multimeter to check for continuity in the circuit.

6. How do I fix the B2A37 code?

Repairs may involve replacing a blown fuse, repairing damaged wiring, reconnecting loose connectors, or replacing the defective floor lamp bulb or control module.

7. Can a bad lighting control module cause the B2A37 code?

Yes, a malfunctioning lighting control module can prevent the proper signal to the floor lamp, triggering this code.

8. Will resetting the code fix the problem?

Clearing the code without addressing the underlying issue will not fix the problem, and the code will likely return.

9. How much does it cost to repair the B2A37 code?

The cost depends on the specific cause, ranging from a few dollars for a bulb or fuse to higher costs if the wiring or control module needs replacement.

10. Can water damage cause the B2A37 code?

Yes, water intrusion can damage wiring, connectors, or the lighting control module, potentially causing this code to appear.