AutoCodes – Mercury – B19AA Mercury

B19AA Mercury Code - Front Window Motor Output Circuit Failure

Quick Answer

The Body Control Module (BCM) monitors the Front Window Motor. Common causes include Faulty Front Window Motor, Front Window Motor harness is open or shorted, 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
B19AA Mercury indicates Front Window Motor Output Circuit Failure.
Common causes
Common causes include Faulty Front Window Motor, Front Window Motor harness is open or shorted, 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 643
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Aug 04, 2019
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Code B19AA Mercury Description

The Body Control Module (BCM) monitors the Front Window Motor. The BCM sets the OBDII code when the Front Window Motor is not to factory specifications.
OBDII Code B19AA Mercury - Front Window Motor Output Circuit Failure - AutoCodes.com
B19AA Mercury Code - Front Window Motor Output Circuit Failure

What are the Possible Causes of the DTC B19AA Mercury?

  • Faulty Front Window Motor
  • Front Window Motor harness is open or shorted
  • Front Window Motor circuit poor electrical connection
  • Faulty Body Control Module (BCM)

How to Fix the DTC B19AA Mercury?

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 B19AA Mercury 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 B19AA Mercury Code

1. What are the common symptoms of OBDII code B19AA in a Mercury related to Front Window Motor Output Circuit Failure?

The common symptoms include the front window not moving or being stuck in one position, unusual noises from the window motor, or the window moving very slowly.

2. What are the possible causes of OBDII code B19AA in a Mercury indicating Front Window Motor Output Circuit Failure?

The code B19AA typically points to issues such as a faulty window motor, damaged wiring or connectors in the window motor circuit, or a malfunctioning window control switch.

3. How can I diagnose the Front Window Motor Output Circuit Failure in my Mercury triggering OBDII code B19AA?

Diagnosing the issue involves checking the window motor for proper operation, inspecting the wiring and connectors for any damage or corrosion, and testing the window control switch for functionality.

4. Can I still drive my Mercury with OBDII code B19AA due to Front Window Motor Output Circuit Failure?

It is not recommended to drive the vehicle with this code active, as it can lead to further damage or safety hazards if the front window is not functioning properly.

5. How can I repair OBDII code B19AA in my Mercury associated with Front Window Motor Output Circuit Failure?

The repair process may involve replacing the faulty window motor, repairing damaged wiring or connectors, or replacing the window control switch depending on the root cause of the issue.

6. Are there any DIY tips for addressing OBDII code B19AA in a Mercury linked to Front Window Motor Output Circuit Failure?

While some basic inspections and tests can be done at home, it is advisable to seek professional help for diagnosing and repairing electrical issues like the Front Window Motor Output Circuit Failure.

7. Is resetting the OBDII code B19AA in my Mercury enough to fix the Front Window Motor Output Circuit Failure issue?

Simply resetting the code will not fix the underlying problem causing Front Window Motor Output Circuit Failure. Proper diagnosis and repair are necessary to address the issue effectively.

8. Can extreme weather conditions contribute to triggering OBDII code B19AA for Front Window Motor Output Circuit Failure in a Mercury?

Yes, extreme temperatures or moisture exposure can potentially damage the window motor circuit components and lead to the Front Window Motor Output Circuit Failure issue.

9. Will ignoring OBDII code B19AA in my Mercury related to Front Window Motor Output Circuit Failure cause any further damage?

Continuing to ignore the code and not addressing the Front Window Motor Output Circuit Failure can result in complete window motor failure or other related electrical system problems.

10. How much can I expect to pay for repairing OOBDII code B19AA due to Front Window Motor Output Circuit Failure in my Mercury?

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

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