B19FB 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 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.
Code B19FB Description
What are the Possible Causes of the DTC B19FB?
- 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?
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 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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Get the B19FB code diagnosed by a professional: Find a repair shop in your area
Information for Specific Makes
- B19FB Chrysler — Right Rear Window Switch Circuit Low
- B19FB Dodge — Right Rear Window Switch Circuit Low
- B19FB Jeep — Right Rear Window Switch Circuit Low
- B19FB RAM — Right Rear Window Switch Circuit Low
Frequently Asked Questions about B19FB Code
1. What does the OBDII code B19FB mean?
The code B19FB indicates a low voltage condition in the right rear window switch circuit, which controls the rear passenger window on the right side of the vehicle.
2. What are the symptoms of the B19FB code?
Symptoms may include the right rear window not responding to switch inputs, intermittent operation, or the window being stuck in an open or closed position.
3. What causes the B19FB code to appear?
Common causes include a faulty window switch, damaged or corroded wiring, a bad window motor, or a poor electrical connection in the circuit.
4. Can I still drive my car with the B19FB code?
Yes, the car can still be driven, but the right rear window may not function properly and could be stuck in an undesirable position, such as open during bad weather.
5. How is the B19FB code diagnosed?
A technician will inspect the wiring and connectors for damage or corrosion, test the switch and motor for proper operation, and check for consistent voltage and ground signals in the circuit.
6. How can I fix the B19FB code?
Repairs may involve replacing the faulty window switch, repairing or replacing damaged wiring, cleaning corroded connectors, or replacing the right rear window motor if necessary.
7. How much does it cost to fix the B19FB code?
The cost can vary depending on the issue, typically ranging from $50 to $300 for parts and labor, with higher costs if the motor needs replacement.
8. Can I fix the B19FB code myself?
If you’re comfortable working with electrical components, you can inspect the wiring and connectors or replace the switch. However, diagnosing more complex issues may require professional tools and expertise.
9. Will the B19FB code clear itself after repairs?
The code may clear automatically after the issue is resolved, but in some cases, you may need to use an OBDII scanner to manually clear it.
10. What tools are needed to diagnose the B19FB code?
Basic tools include a multimeter to test electrical continuity and voltage, and an OBDII scanner to read and clear the code.
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