AutoCodes – RAM – B185D RAM

B185D RAM Code - Passenger Window Switch Circuit Stuck

Quick Answer

The Passenger Door Module (PDM) monitors the Passenger Window Switch Circuit. Common causes include Faulty Passenger Window Switch, Passenger Window Switch harness is open or shorted, Passenger Window 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: B185D RAM indicates Passenger Window Switch Circuit Stuck.
Common causes: Common causes include Faulty Passenger Window Switch, Passenger Window Switch harness is open or shorted, Passenger Window 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 650

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 B185D RAM Description

The Passenger Door Module (PDM) monitors the Passenger Window Switch Circuit. The Passenger Door Module sets the OBDII code when the Passenger Window Express Switch Mux circuit is below 3.5 volts for over 30 seconds.

OBDII Code B185D RAM - Passenger Window Switch Circuit Stuck - AutoCodes.com — B185D RAM Code - Passenger Window Switch Circuit Stuck

What does this mean?

What are the Possible Causes of the DTC B185D RAM?

Faulty Passenger Window Switch
Passenger Window Switch harness is open or shorted
Passenger Window Switch circuit poor electrical connection
Faulty Passenger Door Module (PDM)

How to Fix the DTC B185D 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 B185D 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 B185D RAM Code

1. What are the common symptoms of OBDII code B185D RAM related to the Passenger Window Switch Circuit Stuck?

- The common symptoms include the passenger window being stuck in one position, inability to operate the passenger window from the switch, and potential issues with other window controls.

2. What are the possible causes of the Passenger Window Switch Circuit Stuck issue (code B185D RAM)?

- Causes can include a faulty passenger window switch, damaged wiring or connectors in the circuit, a malfunctioning window motor, or a problem with the power window control module.

3. How can I diagnose the Passenger Window Switch Circuit Stuck issue triggering OBDII code B185D RAM?

- You can diagnose the problem by checking the passenger window switch for responsiveness, inspecting the wiring and connectors for damage, testing the window motor for functionality, and using a scan tool to retrieve the specific fault code.

4. What are some repair tips for addressing OBDII code B185D RAM related to the Passenger Window Switch Circuit Stuck?

- Repair tips include checking and replacing a faulty passenger window switch, repairing damaged wiring or connectors, testing and possibly replacing the window motor, and resetting the power window control module if necessary.

5. Can the Passenger Window Switch Circuit Stuck issue (code B185D RAM) be fixed without professional help?

- Depending on your skill level and the extent of the problem, you may be able to address the issue yourself by following diagnostic procedures and repair tips provided in the vehicle's service manual.

6. Is it safe to continue driving with the Passenger Window Switch Circuit Stuck problem (OBDII code B185D RAM)?

- It is generally safe to drive with the passenger window stuck, but it is recommended to address the issue promptly to avoid inconvenience and potential safety concerns in case of an emergency.

7. Will resetting the vehicle's battery help clear OBDII code B185D RAM related to the Passenger Window Switch Circuit Stuck?

- Resetting the battery may temporarily clear the code, but it is important to diagnose and address the root cause of the issue to prevent the code from reappearing.

8. How can I prevent the Passenger Window Switch Circuit Stuck issue (code B185D RAM) from occurring again in the future?

- Regularly inspecting and maintaining the power window system, avoiding excessive force when operating the window switches, and addressing any window-related issues promptly can help prevent the problem from reoccurring.