AutoCodes – Dodge – B1806 Dodge

B1806 Dodge Code - Passenger Door Lock/Unlock Switch Circuit Low

Quick Answer

The Instrument Cluster monitors Passenger Door Lock/Unlock Switch. Common causes include Faulty Passenger Door Lock/Unlock Switch, Passenger Door Lock/Unlock Switch harness is open or shorted, Passenger Door Lock/Unlock Switch 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: B1806 Dodge indicates Passenger Door Lock/Unlock Switch Circuit Low.
Common causes: Common causes include Faulty Passenger Door Lock/Unlock Switch, Passenger Door Lock/Unlock Switch harness is open or shorted, Passenger Door Lock/Unlock Switch 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 1,121

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 Jul 02, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B1806 Dodge Description

The Instrument Cluster monitors Passenger Door Lock/Unlock Switch. When the Instrument Cluster senses voltage to the passenger door lock switch below 0.25 volts, the input circuit is not valid and this Diagnostic Trouble Code (DTC) will set.

OBDII Code B1806 Dodge - Passenger Door Lock/Unlock Switch Circuit Low - AutoCodes.com — B1806 Dodge Code - Passenger Door Lock/Unlock Switch Circuit Low

What does this mean?

What are the Possible Causes of the DTC B1806 Dodge?

Faulty Passenger Door Lock/Unlock Switch
Passenger Door Lock/Unlock Switch harness is open or shorted
Passenger Door Lock/Unlock Switch circuit poor electrical connection
Faulty Instrument Cluster

How to Fix the DTC B1806 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 B1806 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 B1806 Dodge Code

1. What does OBDII code B1806 for a Dodge indicate?

The code B1806 specifically relates to the Passenger Door Lock/Unlock Switch Circuit Low in a Dodge vehicle.

2. What are common symptoms of OBDII code B1806?

Common symptoms of code B1806 may include issues with the passenger door lock/unlock switch not functioning properly, such as difficulty locking or unlocking the door.

3. What are possible causes of OBDII code B1806 in a Dodge?

Potential causes of code B1806 can include a faulty passenger door lock/unlock switch, damaged wiring or connectors in the circuit, or issues with the door control module.

4. How can I diagnose the cause of OBDII code B1806 in my Dodge?

Diagnosing code B1806 may involve visually inspecting the door lock/unlock switch and associated wiring, using a multimeter to test for continuity, and scanning the door control module for fault codes.

5. What is the typical repair for OBDII code B1806 in a Dodge?

The typical repair for code B1806 involves replacing the passenger door lock/unlock switch if it is found to be faulty, repairing any damaged wiring or connectors, or reprogramming the door control module as needed.

6. Can I drive my Dodge with OBDII code B1806?

It is generally safe to drive your Dodge with code B1806, but it is recommended to address the issue promptly to ensure the proper functioning of the passenger door lock/unlock system.

7. How much does it cost to repair OBDII code B1806 in a Dodge?

The cost of repairing code B1806 can vary depending on the specific cause of the issue, but it may range from a few hundred to a few thousand dollars, including parts and labor.

8. Will resetting the OBDII code B1806 in my Dodge make it go away permanently?

Resetting the code may temporarily clear the fault, but if the underlying issue is not addressed, the code is likely to reappear. It is important to diagnose and repair the root cause of the problem to prevent the code from returning.

9. Can I fix OBDII code B1806 in my Dodge myself?

If you have the necessary tools, knowledge, and experience working with automotive electrical systems, you may be able to diagnose and repair code B1806 yourself. However, if you are unsure, it is recommended to seek professional help.

10. How do I prevent OBDII code B1806 from occurring in my Dodge in the future?

To prevent code B1806 from occurring in the future, it is important to regularly inspect and maintain the door lock/unlock system, avoid using excessive force on the switch, and address any issues promptly to prevent further damage.