AutoCodes – Generic – B185A

B185A Code - Driver Window Position Sensor Circuit Performance

Quick Answer

The Driver Door Module (DDM) monitors the Driver Window Position Sensor Circuit. Common causes include Faulty Driver Window Motor, Driver Window Motor harness is open or shorted, Driver Window Motor 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: B185A indicates Driver Window Position Sensor Circuit Performance.
Common causes: Common causes include Faulty Driver Window Motor, Driver Window Motor harness is open or shorted, Driver Window Motor 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 4,786

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 B185A Description

The Driver Door Module (DDM) monitors the Driver Window Position Sensor Circuit. The Driver Door Module sets the OBDII code when one of the Driver Window Motor Hall Sensors does not generate a signal during a window movement.

OBDII Code B185A - Driver Window Position Sensor Circuit Performance - AutoCodes.com — B185A Code - Driver Window Position Sensor Circuit Performance

What does this mean?

What are the Possible Causes of the DTC B185A?

Faulty Driver Window Motor
Driver Window Motor harness is open or shorted
Driver Window Motor circuit poor electrical connection
Faulty Driver Door Module (DDM)

How to Fix the DTC B185A?

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 B185A 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 B185A code?

Need more information on how to fix the B185A code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B185A code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

B185A Chrysler — Driver Window Position Sensor Circuit Performance
B185A Dodge — Driver Window Position Sensor Circuit Performance
B185A Jeep — Driver Window Position Sensor Circuit Performance
B185A RAM — Driver Window Position Sensor Circuit Performance

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 B185A Code

1. What are the common symptoms of OBDII code B185A (Driver Window Position Sensor Circuit Performance)?

The common symptoms include erratic behavior of the driver window, inaccurate window position readings, and malfunctioning auto-up or auto-down functions.

2. What can cause the OBDII code B185A to trigger?

The code B185A is typically triggered by issues such as a faulty driver window position sensor, damaged wiring or connectors in the sensor circuit, or a malfunction in the window control module.

3. How can I diagnose the cause of OBDII code B185A?

To diagnose the cause of B185A, you can use a diagnostic scan tool to check for the specific error code, inspect the wiring and connectors related to the driver window position sensor, and perform a functionality test on the sensor itself.

4. What are the possible repair options for OBDII code B185A?

Repair options may include replacing the driver window position sensor, repairing or replacing damaged wiring or connectors in the sensor circuit, or reprogramming the window control module.

5. Can I reset OBDII code B185A without fixing the underlying issue?

Resetting the code without addressing the underlying issue may temporarily turn off the check engine light, but the problem will likely reoccur if the root cause is not repaired.

6. Is it safe to continue driving with OBDII code B185A active?

While the vehicle may still be operable with the code active, it is recommended to address the issue promptly to avoid potential safety hazards or further damage to the window control system.

7. How much does it typically cost to repair OBDII code B185A?

The cost of repairing B185A can vary depending on the specific cause of the issue, but it may range from $100 to $300 for parts and labor.

8. Can a DIY enthusiast fix OBDII code B185A at home?

Depending on the level of expertise, DIY enthusiasts may be able to diagnose and repair B185A by following repair guides or tutorials. However, it is important to ensure the proper tools and knowledge are available before attempting the repair.

9. Will fixing OBDII code B185A improve the overall performance of my vehicle?

Fixing B185A may not directly impact the overall performance of the vehicle, but it will restore the proper functionality of the driver window and related systems, enhancing convenience and potentially avoiding further complications.

10. How often does OBDII code B185A occur in vehicles?

OBDII code B185A related to the driver window position sensor circuit performance is a relatively common issue in vehicles equipped with advanced window control systems, particularly in newer models.