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B2873 Chrysler Code - Left Reverse Lamp 2 Control Circuit Short

Quick Answer

The B2873 Chrysler code indicates a problem with the left reverse lamp 2 control circuit, specifically a short circuit. Common causes include Damaged wiring or connectors in the left reverse lamp 2 control circuit, Short circuit caused by water intrusion or corrosion in the wiring, Faulty reverse lamp 2 bulb. 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
B2873 Chrysler indicates Left Reverse Lamp 2 Control Circuit Short.
Common causes
Common causes include Damaged wiring or connectors in the left reverse lamp 2 control circuit, Short circuit caused by water intrusion or corrosion in the wiring, Faulty reverse lamp 2 bulb.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 16, 2024
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Code B2873 Chrysler Description

The B2873 Chrysler code indicates a problem with the left reverse lamp 2 control circuit, specifically a short circuit. This means that there is an abnormal connection or pathway between the power source and ground in the circuit that controls the left reverse lamp 2. The reverse lamp is an important safety feature that allows other drivers and pedestrians to see when your vehicle is backing up. A short circuit in this circuit can lead to the reverse lamp not functioning properly, which can compromise safety, especially in low visibility conditions.

OBDII Code B2873 Chrysler - Left Reverse Lamp 2 Control Circuit Short
B2873 Chrysler Code - Left Reverse Lamp 2 Control Circuit Short

Common Causes of B2873 Chrysler

  1. Damaged wiring or connectors in the left reverse lamp 2 control circuit.
  2. Short circuit caused by water intrusion or corrosion in the wiring.
  3. Faulty reverse lamp 2 bulb.
  4. Defective Body Control Module (BCM).
  5. Issues with the reverse lamp switch or relay.

Symptoms of B2873 Chrysler

  1. Check Engine Light illuminated on the dashboard.
  2. Left reverse lamp 2 not working or flickering.
  3. Dim or inconsistent brightness of the left reverse lamp 2.
  4. Electrical burning smell coming from the left reverse lamp area.
  5. Fuse related to the left reverse lamp circuit blowing repeatedly.

How to Fix B2873 Chrysler

  1. Begin by visually inspecting the wiring and connectors in the left reverse lamp 2 control circuit for any signs of damage, corrosion, or loose connections.
  2. Test the reverse lamp 2 bulb to ensure it is functioning correctly. Replace if necessary.
  3. Check the reverse lamp switch and relay for proper operation. Replace if found faulty.
  4. If the issue persists, perform a detailed diagnostic scan using a scan tool to pinpoint the exact location of the short circuit in the circuit.
  5. Repair or replace any damaged components in the left reverse lamp 2 control circuit as needed.

Cost to Fix B2873 Chrysler

The typical repair costs for addressing a B2873 Chrysler code related to a left reverse lamp 2 control circuit short can vary depending on the extent of the damage and the specific components that need to be replaced. On average, the parts for this repair may cost between $50 to $200, while the labor charges can range from $100 to $300. Overall, the total repair cost could fall between $150 to $500. However, it is important to note that these are rough estimates, and actual costs may vary based on the factors mentioned earlier. It is recommended to consult with a qualified mechanic or auto repair shop to get an accurate quote for your specific vehicle.

What does this mean?

Tech Notes for B2873 Chrysler

B2873-11 LEFT REVERSE LAMP 2 CONTROL CIRCUIT SHORT TO GROUND

B2873-15 LEFT REVERSE LAMP 2 CONTROL CIRCUIT SHORT TO BATTERY OR OPEN

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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 B2873 Chrysler Code

1. What does the OBDII code B2873 mean on a Chrysler vehicle?

The B2873 code indicates a problem with the Left Reverse Lamp 2 Control Circuit, specifically a short circuit issue.

2. What are the common symptoms of the B2873 code?

Typical symptoms include the left reverse lamp not working, illuminated warning lights on the dashboard, and potential issues with other connected lights.

3. What causes the B2873 code to appear?

Common causes include damaged wiring, corroded connectors, a faulty reverse lamp bulb, or a short circuit in the control module.

4. Can a blown fuse trigger the B2873 code?

Yes, a blown fuse related to the reverse lamp circuit can cause this code to appear.

5. How do I diagnose the B2873 code?

Start by inspecting the reverse lamp bulb, wiring, and connectors for damage or corrosion. Use a multimeter to check for continuity and shorts in the circuit.

6. Can I still drive with the B2873 code active?

Yes, you can drive, but the left reverse lamp will not function, reducing visibility and safety when reversing.

7. How do I fix the B2873 code on my Chrysler?

Repairs may include replacing a faulty bulb, repairing or replacing damaged wiring, cleaning corroded connectors, or replacing a blown fuse.

8. Could a faulty Body Control Module (BCM) cause the B2873 code?

Yes, though rare, a malfunctioning BCM could cause issues with the reverse lamp circuit.

9. How much does it cost to fix the B2873 code?

The cost depends on the issue, such as replacing a bulb ($10-$20) or fixing wiring and connectors (up to $150). BCM replacement could cost significantly more.

10. Will clearing the B2873 code fix the issue permanently?

No, clearing the code without addressing the root cause will likely result in the code returning. Proper diagnosis and repair are necessary.

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