B2874 Jeep 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 Jeep 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 Jeep Description
What are the Possible Causes of the DTC B2874 Jeep?
- 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 Jeep?
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 Jeep 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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Frequently Asked Questions about B2874 Jeep Code
1. What does the OBDII code B2874 mean on a Jeep?
The B2874 code indicates a short circuit issue in the Right Reverse Lamp 2 Control Circuit, which affects the vehicle's reverse light functionality.
2. What are the symptoms of the B2874 code on a Jeep?
Common symptoms include the right reverse light not working, flickering, or staying on constantly, and possibly an illuminated check engine or warning light.
3. What causes the B2874 code to appear?
Causes can include damaged wiring, corroded connectors, a faulty reverse light bulb, or a malfunctioning body control module (BCM).
4. Can a blown bulb cause the B2874 code?
Yes, a blown or faulty right reverse light bulb can trigger this code, as it disrupts the circuit's function.
5. How can I diagnose the B2874 code on my Jeep?
Begin by inspecting the right reverse lamp bulb, wiring, and connectors. Check for visible damage, corrosion, or loose connections, and use a multimeter to test for shorts in the circuit.
6. Is it safe to drive with the B2874 code active?
While it may not impact driving performance, it can be unsafe as the reverse light may not function properly, reducing visibility for other drivers when reversing.
7. How do I fix the B2874 code on my Jeep?
Repairs may include replacing the reverse light bulb, repairing or replacing damaged wiring or connectors, and in some cases, reprogramming or replacing the BCM.
8. Can a failing body control module (BCM) cause the B2874 code?
Yes, a faulty BCM can lead to this code if it fails to properly control the right reverse lamp circuit.
9. How much does it cost to repair the B2874 code on a Jeep?
Costs vary depending on the issue. Replacing a bulb may cost $10–$20, while wiring repairs or BCM replacement can range from $100 to $500 or more.
10. Can I clear the B2874 code without fixing the issue?
Clearing the code with an OBDII scanner is possible, but the code will likely reappear if the underlying problem is not resolved.
Discuss the causes and fixes for B2874 Jeep OBDII Code
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