AutoCodes – Generic – B19AA

B19AA 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 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.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 2,108
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 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 - Front Window Motor Output Circuit Failure - AutoCodes.com
B19AA Code - Front Window Motor Output Circuit Failure

What are the Possible Causes of the DTC B19AA?

  • 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?

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 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 B19AA code?

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Need Help with the Code?

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Information for Specific Makes

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 Code

1. What are the common symptoms of OBDII code B19AA (Front Window Motor Output Circuit Failure)?

- Common symptoms include the front window not moving or getting stuck in one position, unusual noises when attempting to operate the window, and the window moving slower than usual.

2. What are the possible causes of OBDII code B19AA?

- The code B19AA can be caused by a faulty front window motor, damaged wiring or connectors in the window motor circuit, a blown fuse, or issues with the window control module.

3. How can I diagnose the cause of OBDII code B19AA?

- To diagnose the cause of code B19AA, you can start by checking the fuse related to the front window motor, inspecting the wiring and connectors for any damage, testing the window motor itself, and scanning the window control module for any error codes.

4. Can I still drive my vehicle with OBDII code B19AA present?

- It is not recommended to drive your vehicle with OBDII code B19AA present, as it can lead to further damage to the window motor system and compromise the safety and functionality of the vehicle.

5. How can I repair OBDII code B19AA (Front Window Motor Output Circuit Failure)?

- Repairing code B19AA involves identifying and fixing the underlying issue causing the front window motor output circuit failure, which may include replacing the window motor, repairing damaged wiring or connectors, or resetting the window control module.

6. Is it possible to reset OBDII code B19AA without repairing the issue?

- Resetting the code without addressing the root cause, such as a faulty window motor or damaged wiring, is not recommended as the problem will likely recur, and the window may continue to malfunction.

7. How much does it typically cost to repair OBDII code B19AA?

- The cost of repairing OBDII code B19AA can vary depending on the specific issue causing the front window motor output circuit failure, but it may range from a few hundred to a few thousand dollars, including parts and labor.

8. Can extreme weather conditions cause OBDII code B19AA to trigger?

- Yes, extreme weather conditions such as heavy rain, snow, or extreme temperatures can sometimes lead to issues with the front window motor output circuit, triggering OBDII code B19AA.

9. Are there any preventive measures to avoid encountering OBDII code B19AA?

- Regularly maintaining and lubricating the front window motor, checking the wiring for any signs of wear or damage, and addressing any window operation issues promptly can help prevent OBDII code B19AA from occurring.

10. Can I use a generic OBDII scanner to diagnose OBDII code B19AA?

- Yes, a generic OBDII scanner can read and clear code B19AA, but for a more detailed diagnosis and repair guidance, it is recommended to use a professional diagnostic tool or seek assistance from a qualified mechanic.

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