AutoCodes – Generic – B2847

B2847 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 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 1,029

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Feb 13, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B2847 Description

When the Driver Blind Spot Indicator circuit senses an open circuit for over 55 ms., this code will set.

OBDII Code B2847 - Driver Blind Spot Warning Light Control Circuit High - AutoCodes.com — B2847 Code - Driver Blind Spot Warning Light Control Circuit High

What does this mean?

What are the Possible Causes of the DTC B2847?

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?

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 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 B2847 code?

Need more information on how to fix the B2847 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B2847 code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

B2847 Chrysler — Driver Blind Spot Warning Light Control Circuit High
B2847 Dodge — Driver Blind Spot Warning Light Control Circuit High
B2847 Jeep — Driver Blind Spot Warning Light Control Circuit High
B2847 RAM — Driver Blind Spot Warning Light Control Circuit High

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 Code

1. What are the common symptoms of OBDII code B2847 (Driver Blind Spot Warning Light Control Circuit High)?

The common symptoms of code B2847 include the blind spot warning light staying illuminated or flashing erratically on the dashboard.

2. What are the possible causes of OBDII code B2847?

Possible causes of code B2847 include a faulty blind spot warning control module, wiring issues in the control circuit, or a malfunctioning blind spot monitoring system sensor.

3. How can I diagnose OBDII code B2847?

Diagnosing code B2847 involves using an OBDII scanner to retrieve the code, checking the wiring and connections related to the blind spot warning system, and testing the blind spot monitoring sensors for proper functionality.

4. Can a DIY enthusiast repair OBDII code B2847 at home?

While some basic troubleshooting steps can be taken at home, repairing code B2847 often requires advanced diagnostic equipment and expertise. It is recommended to seek professional help for accurate diagnosis and repair.

5. Is it safe to drive with OBDII code B2847 present?

If the blind spot monitoring system is not functioning correctly due to code B2847, it may compromise your ability to detect vehicles in your blind spots. It is advisable to address the issue promptly to ensure safe driving.

6. How much does it typically cost to repair OBDII code B2847?

The cost of repairing code B2847 can vary depending on the root cause of the issue. It is recommended to obtain a diagnostic assessment from a qualified mechanic to determine the exact repair costs.

7. Can resetting the OBDII system clear code B2847?

Resetting the OBDII system may temporarily clear the code, but if the underlying issue causing code B2847 is not addressed, the code is likely to reappear after some driving cycles.

8. Will disconnecting the battery reset OBDII code B2847?

Disconnecting the battery may reset the ECU and clear the code temporarily, but it is not a guaranteed fix for resolving the underlying issue causing code B2847.

9. How long does it take to repair OBDII code B2847?

The repair time for code B2847 can vary depending on the complexity of the issue and the availability of replacement parts. It is advisable to consult with a professional technician for an accurate estimate of the repair duration.

10. Can extreme weather conditions trigger OBDII code B2847?

Extreme weather conditions such as heavy rain or snow may potentially affect the blind spot monitoring system, leading to the triggering of code B2847. It is essential to keep the system well maintained to prevent weather-related malfunctions.