AutoCodes – Mercury – B2A37 Mercury

B2A37 Mercury 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 Mercury 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 478

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

What does this mean?

What are the Possible Causes of the DTC B2A37 Mercury?

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 Mercury?

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 Mercury 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 Mercury code?

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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 Mercury Code

1. What are the common symptoms of OBDII code B2A37 Mercury (Floor Lamp Output Circuit Open)?

The common symptoms include the floor lamp not turning on, flickering, or remaining dim.

2. What are the possible causes of the OBDII code B2A37 Mercury (Floor Lamp Output Circuit Open)?

Possible causes include a faulty floor lamp, damaged wiring, corroded connectors, or a blown fuse.

3. How can I diagnose the issue related to the OBDII code B2A37 Mercury (Floor Lamp Output Circuit Open)?

You can use a multimeter to test the continuity of the wiring, check the condition of the connectors, and inspect the floor lamp for any visible damage.

4. What are some repair tips for fixing the OBDII code B2A37 Mercury (Floor Lamp Output Circuit Open)?

Try replacing the floor lamp first, as it is a common culprit. If the issue persists, inspect and repair any damaged wiring or connectors in the circuit.

5. Can a blown fuse cause the OBDII code B2A37 Mercury (Floor Lamp Output Circuit Open)?

Yes, a blown fuse in the floor lamp circuit can trigger this code. Check and replace any blown fuses as part of your diagnostic process.

6. Is it safe to continue driving with the OBDII code B2A37 Mercury (Floor Lamp Output Circuit Open) unresolved?

It is generally safe to continue driving, but it is recommended to address the issue promptly to ensure proper visibility and safety while driving at night.

7. Will resetting the OBDII code B2A37 Mercury (Floor Lamp Output Circuit Open) make the problem go away?

Resetting the code may temporarily turn off the warning light, but if the underlying issue is not fixed, the code is likely to return.

8. How can I prevent the OBDII code B2A37 Mercury (Floor Lamp Output Circuit Open) from recurring?

Regularly inspecting the floor lamp circuit, keeping connectors clean, and replacing worn-out components can help prevent this issue from happening again.

9. Can a DIY enthusiast fix the OBDII code B2A37 Mercury (Floor Lamp Output Circuit Open)?

Depending on your skill level and tools available, a DIY enthusiast may be able to diagnose and fix this issue by following repair guides and safety precautions.

10. Is it necessary to take my vehicle to a mechanic for the OBDII code B2A37 Mercury (Floor Lamp Output Circuit Open)?

If you are unsure about diagnosing or repairing electrical issues, it is recommended to consult a qualified mechanic to ensure the problem is properly addressed.