AutoCodes – Dodge – B19F9 Dodge

B19F9 Dodge Code - Left Rear Window Switch Circuit Stuck

Quick Answer

The Left Rear Door Module monitors the Left Rear Window Switch Circuit. Common causes include Faulty Left Rear Window Switch, Left Rear Window Switch harness is open or shorted, Left Rear 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
B19F9 Dodge indicates Left Rear Window Switch Circuit Stuck.
Common causes
Common causes include Faulty Left Rear Window Switch, Left Rear Window Switch harness is open or shorted, Left Rear 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.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 697
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Aug 05, 2019
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Code B19F9 Dodge Description

The Left Rear Door Module monitors the Left Rear Window Switch Circuit. The Left Rear Door Module sets the OBDII codes when the Left Rear Window Switch circuit is held below 3.2 volts for over 15 seconds.
OBDII Code B19F9 Dodge - Left Rear Window Switch Circuit Stuck - AutoCodes.com
B19F9 Dodge Code - Left Rear Window Switch Circuit Stuck

What are the Possible Causes of the DTC B19F9 Dodge?

  • Faulty Left Rear Window Switch
  • Left Rear Window Switch harness is open or shorted
  • Left Rear Window Switch circuit poor electrical connection
  • Faulty Left Rear Door Module

How to Fix the DTC B19F9 Dodge?

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 B19F9 Dodge 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 B19F9 Dodge Code

1. What are common symptoms of OBDII code B19F9 in a Dodge related to the left rear window switch circuit?

The common symptoms include the left rear window being stuck in one position, inability to control the left rear window from the driver's side, and possible issues with other power windows in the vehicle.

2. What can cause the OBDII code B19F9 to trigger in a Dodge for the left rear window switch circuit?

Possible causes for this code include a faulty left rear window switch, damaged wiring or connectors in the circuit, a malfunctioning window motor, or issues with the window regulator.

3. How can I diagnose the OBDII code B19F9 in a Dodge for the left rear window switch circuit?

You can start by inspecting the left rear window switch for any visible damage or signs of wear. Test the switch for proper functionality using a multimeter and check the wiring and connectors for any breaks or corrosion.

4. Are there any repair tips for fixing the OBDII code B19F9 related to the left rear window switch circuit in a Dodge?

If the issue is with the switch, consider replacing it with a new one from the manufacturer. Ensure all wiring and connectors are secure and free of damage. If the window motor or regulator is faulty, they may need to be replaced.

5. Can OBDII code B19F9 in a Dodge for the left rear window switch circuit be reset without repairs?

While clearing the code may temporarily remove the warning light, it is essential to address the underlying issue causing the code to prevent further problems with the left rear window's operation.

6. Is it safe to continue driving my Dodge with the OBDII code B19F9 triggered for the left rear window switch circuit?

Driving with this code triggered may result in the left rear window being stuck in one position, potentially causing inconvenience or safety concerns in certain situations. It is best to address the issue promptly.

7. How much does it typically cost to repair the OBDII code B19F9 related to the left rear window switch circuit in a Dodge?

The cost of repair can vary depending on the specific cause of the issue. Replacing a faulty switch may cost less than replacing a window motor or regulator. It is advisable to consult a professional for an accurate estimate.

8. Can a DIY enthusiast with basic automotive knowledge fix the OBDII code B19F9 for the left rear window switch circuit in a Dodge?

Depending on the exact cause of the issue, a DIY enthusiast may be able to address it by following repair guides and using the necessary tools. However, complex issues like wiring problems may require professional help.

9. Will fixing the OBDII code B19F9 in a Dodge for the left rear window switch circuit require special tools?

Basic tools like a multimeter, screwdrivers, and pliers may be sufficient for diagnosing and repairing certain causes of this code. However, specialized tools for accessing components may be needed for more complex repairs.

10. How long does it typically take to repair the OBDII code B19F9 related to the left rear window switch circuit in a Dodge?

The repair time can vary based on the cause of the issue and the expertise of the individual performing the repair. Simple fixes like switch replacement may take less time compared to diagnosing and repairing wiring issues.

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