B2874 Code - Right 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 Right Rear Turn Lamp Driver, Right Rear Turn Lamp Driver harness is open or shorted, Right 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
- B2874 indicates Right Reverse Lamp 2 Control Circuit Short.
- Common causes
- Common causes include Faulty Right Rear Turn Lamp Driver, Right Rear Turn Lamp Driver harness is open or shorted, Right 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 B2874 Description
What are the Possible Causes of the DTC B2874?
- Faulty Right Rear Turn Lamp Driver
- Right Rear Turn Lamp Driver harness is open or shorted
- Right Rear Turn Lamp Driver circuit poor electrical connection
- Faulty Body Control Module (BCM)
How to Fix the DTC B2874?
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
B2874-15 RIGHT REVERSE LAMP 2 CONTROL CIRCUIT SHORT TO BATTERY OR OPEN
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the B2874 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.
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Information for Specific Makes
- B2874 Chrysler — Right Reverse Lamp 2 Control Circuit Short
- B2874 Dodge — Right Reverse Lamp 2 Control Circuit Short
- B2874 Jeep — Right Reverse Lamp 2 Control Circuit Short
- B2874 RAM — Right Reverse Lamp 2 Control Circuit Short
Frequently Asked Questions about B2874 Code
1. What are the common symptoms of OBDII code B2874 (Right Reverse Lamp 2 Control Circuit Short)?
- The common symptoms include the right reverse lamp not working or staying on continuously, dashboard warning light illuminated, and potential issues with the vehicle's reverse gear indication.
2. What can cause the OBDII code B2874 to appear?
- The code B2874 may be triggered by a short circuit in the wiring harness connected to the right reverse lamp, a faulty reverse lamp socket, or a malfunctioning control module.
3. How serious is OBDII code B2874 (Right Reverse Lamp 2 Control Circuit Short)?
- While this code does not affect the drivability of the vehicle, it can compromise safety by affecting the visibility of the vehicle while in reverse.
4. How can I diagnose the cause of OBDII code B2874?
- Diagnosing the issue involves visually inspecting the right reverse lamp and its wiring for any visible damage, testing the reverse lamp socket, and using a multimeter to check for continuity and shorts in the circuit.
5. What are the repair options for fixing OBDII code B2874?
- Repair options include repairing or replacing damaged wiring, replacing the right reverse lamp socket, or replacing the control module if necessary.
6. Can I continue to drive my vehicle with OBDII code B2874 present?
- It is not recommended to drive the vehicle with code B2874 present, as it can impact the functionality of the right reverse lamp, leading to potential safety hazards.
7. How much does it typically cost to repair OBDII code B2874?
- The cost of repairing OBDII code B2874 can vary depending on the extent of the damage and the specific components that need to be replaced. Costs may range from a few hundred to a few thousand dollars.
8. Will resetting the OBDII code B2874 make the issue go away permanently?
- Resetting the code may temporarily turn off the warning light, but it will not fix the underlying issue causing the code to appear. It is important to diagnose and repair the problem to prevent the code from reoccurring.
9. Can extreme weather conditions cause OBDII code B2874 to trigger?
- Extreme weather conditions can potentially damage the wiring or components associated with the right reverse lamp, leading to a short circuit and triggering code B2874.
10. Is it possible to prevent OBDII code B2874 from happening in the future?
- Regularly inspecting the vehicle's lighting system, addressing any wiring issues promptly, and using high-quality replacement parts can help prevent OBDII code B2874 from occurring in the future.
Discuss the causes and fixes for B2874 OBDII Code
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