B2873 Code - Left Reverse Lamp 2 Control Circuit Short
Quick Answer
The B2873 diagnostic trouble code (DTC) indicates a problem with the left reverse lamp 2 control circuit short in the vehicle. Common causes include Short circuit in the wiring harness connected to the left reverse lamp 2, Faulty reverse lamp 2 control module, Corrosion or loose connections in the wiring related to the left reverse lamp 2. 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 Short circuit in the wiring harness connected to the left reverse lamp 2, Faulty reverse lamp 2 control module, Corrosion or loose connections in the wiring related to the left reverse lamp 2.
- 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 B2873 Description
The B2873 diagnostic trouble code (DTC) indicates a problem with the left reverse lamp 2 control circuit short in the vehicle. This means that there is a short circuit in the wiring or components that control the left reverse lamp 2, which is the second reverse light on the left side of the vehicle. The reverse lights are essential for providing visibility to other drivers when the vehicle is backing up, especially in low-light conditions or at night.
Common Causes of B2873
- Short circuit in the wiring harness connected to the left reverse lamp 2.
- Faulty reverse lamp 2 control module.
- Corrosion or loose connections in the wiring related to the left reverse lamp 2.
- Water or moisture intrusion causing a short in the circuit.
- Damage to the left reverse lamp 2 bulb socket.
Symptoms of B2873
- Left reverse lamp 2 not illuminating when the vehicle is in reverse.
- Dashboard warning light indicating a fault with the reverse lights.
- Flickering or intermittent operation of the left reverse lamp 2.
- Burnt smell or visible damage to the wiring connected to the left reverse lamp 2.
How to Fix B2873
- Begin by visually inspecting the wiring harness and connections related to the left reverse lamp 2 for any visible damage, corrosion, or loose connections.
- Test the reverse lamp 2 control module for proper functionality using a multimeter to check for voltage output.
- Replace any damaged wiring harnesses, connectors, or components that are causing the short circuit.
- Clear the DTC from the vehicle's computer using an OBD-II scanner to reset the system and ensure the repair was successful.
- Test the left reverse lamp 2 to verify that it is now functioning correctly after the repair.
Cost to Fix B2873
The typical repair costs for addressing 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 range from $50 to $200, while labor costs can add another $80 to $150 per hour. Overall, the total repair cost could fall between $150 and $500, but it's advisable to check with local auto repair shops for more accurate pricing based on your vehicle make and model. Keep in mind that rates may vary based on location and the complexity of the repair.
Tech Notes for B2873
B2873-15 LEFT REVERSE LAMP 2 CONTROL CIRCUIT SHORT TO BATTERY OR OPEN
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Code B2873 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.
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