AutoCodes – Jeep – B19FB Jeep

B19FB Jeep Code - Right Rear Window Switch Circuit Low

Quick Answer

The Right Rear Door Module monitors the Right Rear Window Switch Circuit. Common causes include Faulty Right Rear Window Switch, Right Rear Window Switch harness is open or shorted, Right 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: B19FB Jeep indicates Right Rear Window Switch Circuit Low.
Common causes: Common causes include Faulty Right Rear Window Switch, Right Rear Window Switch harness is open or shorted, Right 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.

Save to My Repairs My Repairs

AI answers can be wrong. Verify repairs with testing. Open full chat

Code Popularity 605

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 Aug 06, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
Add Comment

💬 Need more help? Ask Coddy for instant answers — it's free!

Code B19FB Jeep Description

The Right Rear Door Module monitors the Right Rear Window Switch Circuit. The Right Rear Door Module sets the OBDII codes when the Right Rear Window Switch circuit is held below 0.5 volts for over one second.

OBDII Code B19FB Jeep - Right Rear Window Switch Circuit Low - AutoCodes.com — B19FB Jeep Code - Right Rear Window Switch Circuit Low

What does this mean?

What are the Possible Causes of the DTC B19FB Jeep?

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

How to Fix the DTC B19FB Jeep?

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 B19FB Jeep 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 B19FB Jeep code?

Need more information on how to fix the B19FB Jeep code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B19FB Jeep code diagnosed by a professional: Find a repair shop in your area

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 B19FB Jeep Code

1. What are common symptoms of OBDII code B19FB in a Jeep related to the right rear window switch circuit?

- Common symptoms include the right rear window not responding to switch commands, intermittent window operation, or complete window failure.

2. What are potential causes of the B19FB code in a Jeep's right rear window switch circuit?

- Possible causes include a faulty right rear window switch, damaged wiring or connectors, a malfunctioning window motor, or a problem with the control module.

3. How can I diagnose the B19FB code in my Jeep's right rear window switch circuit?

- Diagnose by checking the condition of the right rear window switch, inspecting wiring for damage, testing the window motor, and scanning for other related fault codes.

4. Is it safe to continue driving with the B19FB code related to the right rear window switch in a Jeep?

- It is generally safe to drive with this code, but it is advisable to address the issue promptly to avoid inconvenience or potential safety hazards.

5. Can I reset the B19FB code related to the right rear window switch in my Jeep without fixing the problem?

- Resetting the code without addressing the underlying issue may temporarily clear the warning, but the problem will likely reoccur until properly repaired.

6. How can I repair the B19FB code in my Jeep's right rear window switch circuit?

- Repair options include replacing the right rear window switch, repairing damaged wiring or connectors, replacing the window motor, or addressing any control module issues.

7. Are there any DIY tips for troubleshooting the B19FB code in the right rear window switch circuit of a Jeep?

- DIY tips include visually inspecting wiring for damage, checking fuse continuity, testing the switch with a multimeter, and ensuring proper electrical connections.

8. What are the potential costs associated with fixing the B19FB code in a Jeep's right rear window switch circuit?

- Costs can vary depending on the specific issue, but expenses may include parts like a new switch or window motor, labor for diagnosis and repair, and potential programming fees for control modules.

9. Can extreme weather conditions contribute to triggering the B19FB code in a Jeep's right rear window switch circuit?

- Yes, extreme temperatures or moisture can affect electrical components, potentially leading to issues with the right rear window switch circuit and triggering the B19FB code.

10. How long does it typically take to repair the B19FB code related to the right rear window switch in a Jeep?

- The repair time can vary based on the exact cause of the issue, but it may take anywhere from 1-3 hours for diagnosis and repair by a professional technician.