AutoCodes – Generic – B191F

B191F Code - Left Front Window Motor Control Circuit Low

Quick Answer

The Left Front Window Module monitors the Left Front Window Motor Control Circuit. Common causes include Faulty Left Front Window Motor, Left Front Window Motor harness is open or shorted, Left Front 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: B191F indicates Left Front Window Motor Control Circuit Low.
Common causes: Common causes include Faulty Left Front Window Motor, Left Front Window Motor harness is open or shorted, Left Front 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 727

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 28, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B191F Description

The Left Front Window Module monitors the Left Front Window Motor Control Circuit. When both Left Front Window Driver circuits (Up and Down) are grounded during a window movement command, this code will set.

OBDII Code B191F - Left Front Window Motor Control Circuit Low - AutoCodes.com — B191F Code - Left Front Window Motor Control Circuit Low

What does this mean?

What are the Possible Causes of the DTC B191F?

Faulty Left Front Window Motor
Left Front Window Motor harness is open or shorted
Left Front Window Motor circuit poor electrical connection
Faulty Left Front Window Module

How to Fix the DTC B191F?

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 B191F 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 B191F code?

Need more information on how to fix the B191F code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B191F code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

B191F Chrysler — Left Front Window Motor Control Circuit Low
B191F Dodge — Left Front Window Motor Control Circuit Low
B191F Jeep — Left Front Window Motor Control Circuit Low
B191F RAM — Left Front Window Motor Control Circuit Low

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 B191F Code

1. What are the common symptoms of OBDII code B191F, Left Front Window Motor Control Circuit Low?

- Common symptoms include the left front window not responding to the switch, the window moving slowly or erratically, or the window getting stuck in one position.

2. What are the possible causes of OBDII code B191F?

- The code B191F can be caused by issues such as a faulty window motor, a damaged wiring harness, a blown fuse, or a malfunctioning window switch.

3. How can I diagnose the cause of OBDII code B191F?

- Diagnosing the B191F code involves checking the window motor for proper operation, inspecting the wiring for damage or loose connections, testing the window switch, and verifying the fuse related to the window circuit.

4. Can I still drive my vehicle with OBDII code B191F present?

- It is generally safe to drive with the B191F code, but it is recommended to address the issue promptly to avoid potential inconvenience or safety hazards associated with a malfunctioning window.

5. How can I repair OBDII code B191F, Left Front Window Motor Control Circuit Low?

- Repairing the B191F code may involve replacing the left front window motor, repairing or replacing damaged wiring, checking and replacing any blown fuses, or troubleshooting and replacing a faulty window switch.

6. Are there any DIY tips for fixing OBDII code B191F?

- DIY tips for fixing the B191F code include checking and cleaning electrical connections, ensuring proper grounding, using a multimeter to test components, and referring to a repair manual for detailed instructions.

7. Can a professional mechanic help with diagnosing and repairing OBDII code B191F?

- Yes, a professional mechanic can assist in diagnosing the B191F code using specialized diagnostic tools, experience, and expertise to accurately pinpoint the issue and perform necessary repairs.

8. Is it common for the B191F code to recur after repairs?

- Recurrence of the B191F code can happen if the underlying issue is not fully resolved during repairs, making it crucial to address all potential causes and ensure proper installation of replacement components.

9. Will resetting the OBDII system clear the B191F code?

- Resetting the OBDII system may temporarily clear the B191F code, but it is important to diagnose and address the root cause of the issue to prevent the code from reappearing.

10. What should I do if I cannot resolve OBDII code B191F on my own?

- If you are unable to resolve the B191F code on your own, consider seeking assistance from a qualified mechanic or automotive service center to properly diagnose and repair the issue.