AutoCodes – RAM – B19FB RAM

B19FB RAM 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 RAM 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.

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Code Popularity 603

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

What does this mean?

What are the Possible Causes of the DTC B19FB RAM?

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 RAM?

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 RAM 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 RAM code?

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

Need Help with the Code?

Get the B19FB RAM 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 RAM Code

1. What are the common symptoms of OBDII code B19FB RAM (Right Rear Window Switch Circuit Low)?

Typical symptoms include the right rear window being inoperable or getting stuck in one position.

2. What are the possible causes of OBDII code B19FB RAM?

Potential causes may include a faulty right rear window switch, damaged wiring or connectors in the circuit, or a malfunctioning window motor.

3. How can I diagnose the issue related to OBDII code B19FB RAM?

You can start by checking the right rear window switch for any signs of damage or malfunction. Then, inspect the wiring and connectors for any breaks or loose connections. Finally, test the window motor to determine if it is functioning properly.

4. Can I repair OBDII code B19FB RAM on my own?

If you have experience with automotive electrical systems and the necessary tools, you may be able to repair this issue on your own. However, if you are unsure or uncomfortable working with electrical components, it's best to seek professional help.

5. Is it safe to continue driving with OBDII code B19FB RAM present?

It is generally safe to drive with this code, but you may experience inconvenience if the right rear window is not functioning. Consider getting it repaired at your earliest convenience to avoid further issues.

6. What are some tips for preventing OBDII code B19FB RAM from occurring?

Regularly checking and maintaining your vehicle's electrical components, such as switches and wiring, can help prevent issues like this code from occurring.

7. How much can I expect to pay to repair OBDII code B19FB RAM?

The cost of repairs can vary depending on the specific cause of the issue and whether you choose to do it yourself or take it to a professional. It's best to get a diagnosis and estimate from a trusted mechanic.

8. Can weather conditions affect the likelihood of OBDII code B19FB RAM occurring?

Extreme temperatures or moisture can potentially impact the electrical components related to the right rear window switch circuit, increasing the likelihood of this code appearing.

9. Are there any recalls or technical service bulletins related to OBDII code B19FB RAM?

It's advisable to check with your vehicle's manufacturer or a trusted dealership to see if there are any recalls or technical service bulletins related to this specific OBDII code.

10. Will resetting the OBDII system clear the B19FB RAM code?

Resetting the OBDII system may temporarily clear the code, but if the underlying issue causing the code remains unresolved, it is likely to reappear. It's important to diagnose and address the root cause of the problem.