B2873 Code - Left Reverse Lamp 2 Control Circuit Short
Quick Answer
The Body Control Module (BCM) receives a communication network message from the Steering Column Control Module (SCCM) requesting turn signal lamp illumination. Common causes include Faulty Left Rear Turn Lamp Driver, Left Rear Turn Lamp Driver harness is open or shorted, Left Rear Turn Lamp Driver 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
- B2873 indicates Left Reverse Lamp 2 Control Circuit Short.
- Common causes
- Common causes include Faulty Left Rear Turn Lamp Driver, Left Rear Turn Lamp Driver harness is open or shorted, Left Rear Turn Lamp Driver 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.
Code B2873 Description
What are the Possible Causes of the DTC B2873?
- Faulty Left Rear Turn Lamp Driver
- Left Rear Turn Lamp Driver harness is open or shorted
- Left Rear Turn Lamp Driver circuit poor electrical connection
- Faulty Body Control Module (BCM)
How to Fix the DTC B2873?
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.
Code Tech Notes
B2873-15 LEFT REVERSE LAMP 2 CONTROL CIRCUIT SHORT TO BATTERY OR OPEN
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the B2873 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 B2873 code?
Need more information on how to fix the B2873 code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the B2873 code diagnosed by a professional: Find a repair shop in your area
Information for Specific Makes
- B2873 Chrysler — Left Reverse Lamp 2 Control Circuit Short
- B2873 Dodge — Left Reverse Lamp 2 Control Circuit Short
- B2873 Jeep — Left Reverse Lamp 2 Control Circuit Short
- B2873 RAM — Left Reverse Lamp 2 Control Circuit Short
Frequently Asked Questions about B2873 Code
1. What are the common symptoms of OBDII code B2873 (Left Reverse Lamp 2 Control Circuit Short)?
- The common symptoms include the left reverse lamp not working, dim or flickering lights, or a warning light on the dashboard.
2. What are the possible causes of OBDII code B2873 (Left Reverse Lamp 2 Control Circuit Short)?
- The code could be triggered by a short circuit in the wiring, a faulty reverse lamp bulb, a defective lamp control module, or a damaged fuse.
3. How can I diagnose the issue related to OBDII code B2873 (Left Reverse Lamp 2 Control Circuit Short)?
- You can start by visually inspecting the wiring and the reverse lamp bulb. Use a multimeter to check for continuity in the circuit and test the voltage at different points.
4. How can I repair OBDII code B2873 (Left Reverse Lamp 2 Control Circuit Short) myself?
- You can attempt to fix the issue by replacing the faulty reverse lamp bulb, repairing any damaged wiring, checking and replacing the fuse if necessary, or replacing the lamp control module.
5. Is it safe to continue driving with OBDII code B2873 (Left Reverse Lamp 2 Control Circuit Short) triggered?
- It is not recommended to drive with a malfunctioning reverse lamp, as it can compromise your safety and the safety of others. It's best to address the issue promptly.
6. Can a loose connection cause OBDII code B2873 (Left Reverse Lamp 2 Control Circuit Short)?
- Yes, a loose or poor connection in the wiring related to the left reverse lamp can potentially trigger this OBDII code.
7. Do I need specialized tools to fix OBDII code B2873 (Left Reverse Lamp 2 Control Circuit Short)?
- While basic tools like a multimeter, screwdrivers, and replacement parts are typically sufficient, having a scan tool to clear the code after repairs can be helpful.
8. What should I do if I've already replaced the bulb but OBDII code B2873 (Left Reverse Lamp 2 Control Circuit Short) persists?
- If the issue persists after replacing the bulb, you should inspect the wiring, connectors, and control module for any faults or shorts that may be causing the problem.
9. Can extreme weather conditions cause OBDII code B2873 (Left Reverse Lamp 2 Control Circuit Short) to trigger?
- Extreme weather conditions, such as heavy rain or snow, can potentially cause electrical issues leading to this OBDII code. It's important to ensure all connections are secure.
10. How long does it typically take to resolve OBDII code B2873 (Left Reverse Lamp 2 Control Circuit Short)?
- The time to resolve this code varies depending on the exact cause of the issue. Simple fixes like replacing a bulb can be done quickly, while more complex wiring or module repairs may take longer.
Discuss the causes and fixes for B2873 OBDII Code
Code B2873 comments
No comments found for this page.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
