AutoCodes – Mercury – B2A35 Mercury

B2A35 Mercury Code - Interior Lighting Output Circuit Open

Quick Answer

Power is supplied to the interior courtesy lamps and cargo lamp through the Smart Junction Box (SJB). Common causes include Faulty Interior Lamp, Interior Lamp harness is open or shorted, Interior 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: B2A35 Mercury indicates Interior Lighting Output Circuit Open.
Common causes: Common causes include Faulty Interior Lamp, Interior Lamp harness is open or shorted, Interior 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 589

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 B2A35 Mercury Description

Power is supplied to the interior courtesy lamps and cargo lamp through the Smart Junction Box (SJB). Based on the input status from the ajar switches and the instrument panel dimmer switch, the SJB supplies voltage to the interior courtesy lamp(s). The Diagnostic Trouble Code (DTC) sets when the SJB detects an open from the courtesy lighting output circuit.

OBDII Code B2A35 Mercury - Interior Lighting Output Circuit Open - AutoCodes.com — B2A35 Mercury Code - Interior Lighting Output Circuit Open

What does this mean?

What are the Possible Causes of the DTC B2A35 Mercury?

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

How to Fix the DTC B2A35 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 B2A35 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.

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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 B2A35 Mercury Code

1. What are the common symptoms of OBDII code B2A35 Mercury - Interior Lighting Output Circuit Open?

- The common symptoms include interior lights not working or flickering intermittently, dashboard light indicators malfunctioning, and issues with other interior lighting components.

2. What could be causing the OBDII code B2A35 Mercury - Interior Lighting Output Circuit Open?

- Possible causes include a damaged wiring harness, a faulty interior light control module, a blown fuse, or a loose connection in the interior lighting circuit.

3. How can I diagnose the OBDII code B2A35 Mercury - Interior Lighting Output Circuit Open?

- You can start by checking the interior lighting fuse, inspecting the wiring for any visible damage, testing the interior light control module, and using a multimeter to check for continuity in the circuit.

4. Can I still drive my vehicle with the OBDII code B2A35 Mercury - Interior Lighting Output Circuit Open?

- While it may be safe to drive the vehicle, it is not recommended as the interior lighting is essential for visibility and safety, especially at night.

5. How can I repair the OBDII code B2A35 Mercury - Interior Lighting Output Circuit Open?

- Repair options include repairing or replacing damaged wiring, replacing the interior light control module, ensuring all connections are secure, and resetting the OBDII code after repairs are completed.

6. Is it possible to reset the OBDII code B2A35 Mercury - Interior Lighting Output Circuit Open without fixing the issue?

- While you can clear the code using an OBDII scanner, it is not recommended as the underlying issue causing the code will still persist and may lead to further problems.

7. Are there any DIY repair tips for fixing the OBDII code B2A35 Mercury - Interior Lighting Output Circuit Open?

- DIY repair tips include checking and replacing any blown fuses, inspecting and repairing damaged wiring, and ensuring all connections are tight and secure.

8. How much does it typically cost to repair the OBDII code B2A35 Mercury - Interior Lighting Output Circuit Open?

- The cost of repair can vary depending on the underlying issue, but it may range from $50 to $300 for parts and labor at a professional auto repair shop.

9. Can extreme weather conditions cause the OBDII code B2A35 Mercury - Interior Lighting Output Circuit Open?

- Extreme weather conditions such as excessive heat or moisture can potentially contribute to wiring damage or corrosion, which may lead to the interior lighting circuit malfunctioning.

10. Will fixing the OBDII code B2A35 Mercury - Interior Lighting Output Circuit Open improve overall vehicle performance?

- While fixing the code may not directly impact the vehicle's performance, it is essential for maintaining safety, visibility, and the proper functioning of interior lighting components.