AutoCodes – Dodge – B2846 Dodge

B2846 Dodge Code - Driver Blind Spot Warning Light Control Circuit Low

Quick Answer

When the Driver Blind Spot Indicator circuit senses that the voltage is below 4.0 volts for over 155 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: B2846 Dodge indicates Driver Blind Spot Warning Light Control Circuit Low.
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 395

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 B2846 Dodge Description

When the Driver Blind Spot Indicator circuit senses that the voltage is below 4.0 volts for over 155 ms., this code will set.

OBDII Code B2846 Dodge - Driver Blind Spot Warning Light Control Circuit Low - AutoCodes.com — B2846 Dodge Code - Driver Blind Spot Warning Light Control Circuit Low

What does this mean?

What are the Possible Causes of the DTC B2846 Dodge?

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 B2846 Dodge?

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 B2846 Dodge 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 B2846 Dodge Code

1. What does the OBDII code B2846 mean on a Dodge vehicle?

The code B2846 indicates a low voltage issue in the Driver Blind Spot Warning Light Control Circuit, which affects the functionality of the blind spot monitoring system.

2. What are the common symptoms of the B2846 code on a Dodge?

Symptoms include the blind spot warning light not illuminating, the system failing to detect vehicles in the blind spot, or a warning light on the dashboard.

3. What causes the B2846 code in a Dodge vehicle?

Common causes include damaged wiring or connectors in the blind spot warning circuit, a faulty blind spot sensor, or a malfunctioning control module.

4. Can I drive my Dodge with the B2846 code active?

Yes, you can drive the vehicle, but the blind spot monitoring system may not function properly, increasing the risk of accidents when changing lanes.

5. How do I diagnose the B2846 code in a Dodge?

Diagnosis involves inspecting the wiring and connectors for damage, testing the blind spot sensors, and using a scan tool to check the voltage in the control circuit.

6. What tools are needed to fix the B2846 code in a Dodge?

You may need a multimeter, a diagnostic scan tool, and basic hand tools to check and repair the circuit and related components.

7. How can I fix the B2846 code in my Dodge?

Repairs may include replacing damaged wires or connectors, repairing or replacing the blind spot sensor, or reprogramming or replacing the control module.

8. How much does it cost to repair the B2846 code on a Dodge?

The repair cost varies but could range from $100 for simple wiring repairs to $1,000 or more if a sensor or control module needs replacement.

9. Can a low battery cause the B2846 code in a Dodge?

Yes, a weak or failing battery can cause voltage issues that might trigger this code, so check the battery as part of your diagnosis.

10. Is the B2846 code specific to Dodge vehicles?

While the code B2846 can appear in vehicles from other manufacturers, its specific meaning and application may differ. Always refer to Dodge-specific resources for accurate information.