AutoCodesRAM – B2847 RAM

B2847 RAM Code - Driver Blind Spot Warning Light Control Circuit High

Quick Answer

When the Driver Blind Spot Indicator circuit senses an open circuit for over 55 ms., this code will set. Common causes include Faulty Driver Mirror Assembly, Driver Mirror harness is open or shorted, Driver Mirror 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
B2847 RAM indicates Driver Blind Spot Warning Light Control Circuit High.
Common causes
Common causes include Faulty Driver Mirror Assembly, Driver Mirror harness is open or shorted, Driver Mirror 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.
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Code Popularity 426
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Feb 13, 2020
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Code B2847 RAM Description

When the Driver Blind Spot Indicator circuit senses an open circuit for over 55 ms., this code will set.
OBDII Code B2847 RAM - Driver Blind Spot Warning Light Control Circuit High - AutoCodes.com
B2847 RAM Code - Driver Blind Spot Warning Light Control Circuit High

What are the Possible Causes of the DTC B2847 RAM?

  • Faulty Driver Mirror Assembly
  • Driver Mirror harness is open or shorted
  • Driver Mirror circuit poor electrical connection
  • Faulty Driver Door Module (DDM)

How to Fix the DTC B2847 RAM?

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.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the B2847 RAM 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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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 B2847 RAM Code

1. What does the OBDII code B2847 mean for a RAM vehicle?

The B2847 code indicates a high voltage issue in the Driver Blind Spot Warning Light Control Circuit, which is part of the blind spot monitoring system.

2. What are the common symptoms of the B2847 code?

Symptoms include a malfunctioning blind spot warning light, the light staying on or off, and possibly a warning message or alert on the dashboard.

3. What causes the B2847 code to appear?

Causes can include a faulty blind spot warning light, damaged wiring or connectors in the circuit, a short circuit, or a malfunctioning blind spot monitoring module.

4. Can I still drive my RAM vehicle with the B2847 code active?

Yes, you can drive the vehicle, but the blind spot monitoring system may not work correctly, increasing the risk of an accident if you rely on it.

5. How do I diagnose the B2847 code in a RAM vehicle?

Diagnosis involves checking for damaged wiring, inspecting the blind spot warning light for faults, and using a diagnostic tool to test the blind spot monitoring system.

6. What repairs are needed to fix the B2847 code?

Repairs may include replacing the blind spot warning light, repairing or replacing damaged wiring or connectors, or replacing a defective blind spot monitoring module.

7. How much does it cost to fix the B2847 code?

Repair costs vary but can range from $50 to $200 for wiring repairs and $300 to $600 if the blind spot monitoring module needs replacement.

8. Can I fix the B2847 code issue myself?

If you're experienced with automotive electrical systems, you can inspect and repair wiring or replace the warning light. For advanced diagnostics, professional assistance is recommended.

9. Will clearing the B2847 code with an OBDII scanner fix the issue?

Clearing the code will reset the warning temporarily, but the issue will return if the underlying problem is not resolved.

10. What tools do I need to troubleshoot the B2847 code?

You’ll need an OBDII scanner, a multimeter to check voltage and continuity, and possibly wiring diagrams for the blind spot monitoring system.

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