AutoCodes – Generic – B2044

B2044 Code - Left Rear Stop Lamp Circuit Short To Ground

Quick Answer

When the brake pedal is applied, the stoplamp switch routes voltage to the Smart Junction Box (SJB) and the high mounted stoplamp. Common causes include Faulty High Mounted Stoplamp, High Mounted Stoplamp harness is open or shorted, High Mounted Stoplamp 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
B2044 indicates Left Rear Stop Lamp Circuit Short To Ground.
Common causes
Common causes include Faulty High Mounted Stoplamp, High Mounted Stoplamp harness is open or shorted, High Mounted Stoplamp 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.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 2,630
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Feb 26, 2020
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Code B2044 Description

When the brake pedal is applied, the stoplamp switch routes voltage to the Smart Junction Box (SJB) and the high mounted stoplamp. When the SJB detects the brake pedal is applied, the SJB provides voltage to the Left (LH) and Right (RH) rear stoplamps. The Diagnostic Trouble Code (DTC) sets when the SJB detects a short to ground from the LH rear stop/turn lamp voltage supply circuit.
OBDII Code B2044 - Left Rear Stop Lamp Circuit Short To Ground - AutoCodes.com
B2044 Code - Left Rear Stop Lamp Circuit Short To Ground

What are the Possible Causes of the DTC B2044?

  • Faulty High Mounted Stoplamp
  • High Mounted Stoplamp harness is open or shorted
  • High Mounted Stoplamp circuit poor electrical connection
  • Faulty Bulb Holder
  • Faulty Smart Junction Box (SJB)

How to Fix the DTC B2044?

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 B2044 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 B2044 code?

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Need Help with the Code?

Get the B2044 code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

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 B2044 Code

1. What are the common symptoms of OBDII code B2044 - Left Rear Stop Lamp Circuit Short To Ground?

- Common symptoms include a malfunctioning left rear stop lamp, illuminated brake warning light on the dashboard, and potential issues with the vehicle's brake system.

2. What are the possible causes of OBDII code B2044?

- The code B2044 can be caused by a short to ground in the wiring of the left rear stop lamp circuit, a faulty brake light switch, damaged wiring harness, or a malfunctioning control module.

3. How can I diagnose the cause of OBDII code B2044?

- To diagnose the cause of code B2044, you can start by visually inspecting the wiring harness and connections for any visible damage. Using a multimeter to test for continuity and shorts in the circuit can help pinpoint the issue.

4. Can I still drive my vehicle with OBDII code B2044 present?

- It is not recommended to drive the vehicle with code B2044 present, as it indicates a potential safety issue with the brake light circuit. It is best to address the problem promptly to ensure proper brake light operation.

5. How can I repair OBDII code B2044 - Left Rear Stop Lamp Circuit Short To Ground?

- Repairing code B2044 involves locating and repairing the short to ground in the left rear stop lamp circuit. This may require repairing or replacing damaged wiring, connectors, or components in the circuit.

6. Will resetting the OBDII code B2044 make it go away permanently?

- Simply resetting the code may clear it temporarily, but if the underlying issue causing the short to ground is not addressed, the code is likely to return. It is important to diagnose and repair the root cause of the problem.

7. Is it safe to attempt a DIY repair for OBDII code B2044?

- Depending on your skill level and experience with automotive electrical systems, you may be able to attempt a DIY repair for code B2044. However, if you are unsure or unfamiliar with electrical work, it is best to seek professional assistance.

8. How much does it typically cost to repair OBDII code B2044 at a mechanic or dealership?

- The cost of repairing code B2044 can vary depending on the extent of the damage and the specific cause of the short to ground. It is recommended to obtain quotes from mechanics or dealerships for an accurate estimate.

9. Can OBDII code B2044 affect other systems in the vehicle?

- While code B2044 specifically relates to the left rear stop lamp circuit, electrical issues can sometimes affect other systems in the vehicle. It is important to address the code promptly to prevent potential complications.

10. Are there any preventive measures to avoid OBDII code B2044 from occurring again?

- Regularly inspecting the vehicle's wiring harness, connectors, and brake light components for any signs of wear or damage can help prevent OBDII code B2044 from occurring again. Additionally, ensuring proper installation and maintenance of these components can help avoid future issues.

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