AutoCodes – Mercury – B2A33 Mercury

B2A33 Mercury Code - LED Backlighting Output Circuit Short To Ground

Quick Answer

When the parking lamps are on, the Smart Junction Box (SJB) sends a Pulse Width Modulated (PWM) voltage to the dimmable components. Common causes include Faulty LED Backlighting, LED Backlighting harness is open or shorted, LED Backlighting 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: B2A33 Mercury indicates LED Backlighting Output Circuit Short To Ground.
Common causes: Common causes include Faulty LED Backlighting, LED Backlighting harness is open or shorted, LED Backlighting 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 578

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 B2A33 Mercury Description

When the parking lamps are on, the Smart Junction Box (SJB) sends a Pulse Width Modulated (PWM) voltage to the dimmable components. The Diagnostic Trouble Code (DTC) sets when the SJB detects a short to ground from the backlighting output circuit. The DTC also sets as a result when fuse 10 (15A) has failed or is removed.

OBDII Code B2A33 Mercury - LED Backlighting Output Circuit Short To Ground - AutoCodes.com — B2A33 Mercury Code - LED Backlighting Output Circuit Short To Ground

What does this mean?

What are the Possible Causes of the DTC B2A33 Mercury?

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

How to Fix the DTC B2A33 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 B2A33 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 B2A33 Mercury code?

Need more information on how to fix the B2A33 Mercury code? Get Access to Factory Service Manuals

Need Help with the 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 B2A33 Mercury Code

1. What are common symptoms of the OBDII code B2A33 Mercury LED Backlighting Output Circuit Short To Ground?

- Common symptoms include malfunctioning or non-functional dashboard lights and interior lighting.

2. What are possible causes of the B2A33 code in a Mercury vehicle?

- Possible causes of the B2A33 code can include a short circuit in the LED backlighting system, damaged wiring, or a faulty control module.

3. How can I diagnose the LED backlighting circuit for a short to ground in my Mercury?

- To diagnose the LED backlighting circuit, you can use a multimeter to check for continuity and shorts in the wiring and components of the backlighting system.

4. What steps should I take to repair the LED backlighting output circuit short to ground issue in my Mercury?

- Repair steps may include locating and repairing the short circuit, replacing damaged wiring or components, and resetting the control module.

5. Can the B2A33 OBDII code be cleared with a simple reset, or does it require a more in-depth repair?

- Clearing the B2A33 code may temporarily resolve the issue, but it is recommended to address the root cause of the short circuit to prevent the code from reoccurring.

6. Is it safe to continue driving my Mercury with the B2A33 code present?

- It is not recommended to continue driving your Mercury with the B2A33 code, as it can lead to further electrical issues and potential safety hazards.

7. How much does it typically cost to repair the LED backlighting output circuit short to ground problem in a Mercury?

- Repair costs can vary depending on the extent of the damage and the specific components that need to be replaced, but it is advisable to consult with a professional mechanic for an accurate estimate.

8. Are there any preventive measures I can take to avoid encountering the B2A33 code in the future?

- Regularly inspecting the electrical components, avoiding water damage, and ensuring proper installation of aftermarket lighting can help prevent issues with the LED backlighting circuit.

9. Can a DIY enthusiast with basic automotive knowledge fix the B2A33 code issue, or is it best left to professionals?

- While some DIY enthusiasts may be able to diagnose and repair simple electrical issues, the complexity of the LED backlighting circuit may require the expertise of a professional mechanic.

10. Does the B2A33 OBDII code affect vehicle performance, or is it solely related to the lighting system?

- The B2A33 code is typically related to the lighting system and does not directly impact vehicle performance, but it is essential to address the underlying electrical issue to maintain overall functionality.