AutoCodes – Jeep – B1805 Jeep

B1805 Jeep Code - Passenger Door Lock/Unlock Switch Circuit Performance Cluster

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: B1805 Jeep indicates Passenger Door Lock/Unlock Switch Circuit Performance Cluster.
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 1,175

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 08, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B1805 Jeep Description

The Instrument Cluster monitors Passenger Door Lock/Unlock Switch. When the Passenger Door Lock Switch Mux circuit is below 1.5 volts or over 4.3 volts for 10 seconds, this Diagnostic Trouble Code (DTC) will set.

OBDII Code B1805 Jeep - Passenger Door Lock/Unlock Switch Circuit Performance Cluster - AutoCodes.com — B1805 Jeep Code - Passenger Door Lock/Unlock Switch Circuit Performance Cluster

What does this mean?

What are the Possible Causes of the DTC B1805 Jeep?

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 B1805 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.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the B1805 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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Need Help with the Code?

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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 B1805 Jeep Code

1. What are the common symptoms of OBDII code B1805 in a Jeep related to the Passenger Door Lock/Unlock Switch Circuit Performance Cluster?

- Common symptoms include malfunctioning passenger door lock/unlock switch, inability to lock or unlock the passenger door electronically, and potential issues with the central locking system.

2. What are the possible causes of OBDII code B1805 in a Jeep related to the Passenger Door Lock/Unlock Switch Circuit Performance Cluster?

- Possible causes include a faulty passenger door lock/unlock switch, damaged wiring or connectors in the circuit, a malfunctioning central locking module, or issues with the door lock actuator.

3. How can I diagnose OBDII code B1805 in a Jeep related to the Passenger Door Lock/Unlock Switch Circuit Performance Cluster?

- Diagnosis typically involves inspecting the passenger door lock/unlock switch for proper operation, checking the wiring and connectors for damage, and using a scan tool to communicate with the central locking module for fault codes.

4. What are some repair tips for fixing OBDII code B1805 in a Jeep related to the Passenger Door Lock/Unlock Switch Circuit Performance Cluster?

- Repair tips may include replacing the faulty passenger door lock/unlock switch, repairing damaged wiring or connectors, resetting the central locking module, or replacing the door lock actuator if necessary.

5. Can I continue driving my Jeep with OBDII code B1805 related to the Passenger Door Lock/Unlock Switch Circuit Performance Cluster?

- While it may be possible to drive the vehicle with this code, it is recommended to address the issue promptly to ensure the proper functioning of the door lock system for safety and security reasons.

6. Is it possible to clear OBDII code B1805 in a Jeep related to the Passenger Door Lock/Unlock Switch Circuit Performance Cluster without repairs?

- Clearing the code without addressing the underlying issue may temporarily reset the warning light, but the problem will likely persist and trigger the code again until the root cause is resolved.

7. How can I prevent OBDII code B1805 related to the Passenger Door Lock/Unlock Switch Circuit Performance Cluster from recurring in my Jeep?

- Regularly checking the condition of the door lock switches, maintaining the wiring and connectors in good shape, and addressing any issues with the central locking system promptly can help prevent the recurrence of this code.