B1741 Code - Mirror Passenger Vertical Switch Circuit Failure
Quick Answer
The B1741 diagnostic trouble code indicates that there is a failure in the mirror passenger vertical switch circuit. Common causes include Faulty mirror switch, Damaged wiring or connectors in the mirror circuit, Malfunctioning mirror motor. 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
- B1741 indicates Mirror Passenger Vertical Switch Circuit Failure.
- Common causes
- Common causes include Faulty mirror switch, Damaged wiring or connectors in the mirror circuit, Malfunctioning mirror motor.
- 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 B1741 Description
The B1741 diagnostic trouble code indicates that there is a failure in the mirror passenger vertical switch circuit. This code is typically associated with issues related to the passenger side mirror control in vehicles equipped with power adjustable mirrors. When this code is triggered, it means that the vehicle's onboard computer has detected a malfunction in the circuit responsible for controlling the vertical movement of the passenger side mirror.
Common Causes of B1741
- Faulty mirror switch.
- Damaged wiring or connectors in the mirror circuit.
- Malfunctioning mirror motor.
- Issues with the vehicle's onboard computer system.
Symptoms of B1741
- Inability to adjust the vertical position of the passenger side mirror.
- Erratic movement or lack of response from the passenger side mirror control switch.
- Unusual noises coming from the mirror when attempting to adjust its position.
- Warning light on the dashboard indicating a mirror control system malfunction.
How to Fix B1741
- Begin by diagnosing the root cause of the issue using a diagnostic scan tool to retrieve the specific fault codes and pinpoint the faulty component.
- Inspect the mirror switch, wiring, and connectors for any visible damage or loose connections. Repair or replace as necessary.
- Test the mirror motor to ensure it is functioning correctly. Replace if found to be faulty.
- Clear the fault codes from the vehicle's computer system and test the mirror control system to ensure proper functionality.
- If the issue persists, further troubleshooting may be required, such as checking the vehicle's electrical system for any underlying issues.
Cost to Fix B1741
The typical repair costs for addressing a mirror passenger vertical switch circuit failure can range from $100 to $300, depending on the specific cause of the issue and the cost of replacement parts. This estimate includes parts and labor. It's important to note that diagnosis time and labor rates at auto repair shops can vary, so it's advisable to check with local shops for a more accurate estimate. Labor rates typically range between $80 and $150 per hour, but rates may differ based on location and the shop's pricing structure.
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Frequently Asked Questions about B1741 Code
1. What does OBDII code B1741 mean?
B1741 indicates a failure in the passenger-side mirror's vertical switch circuit, which controls the up-and-down adjustment of the mirror.
2. What are the common symptoms of code B1741?
The most common symptom is that the passenger-side mirror cannot be adjusted vertically. You might also notice unresponsiveness or intermittent operation when using the mirror control switch.
3. What causes code B1741 to appear?
This code is usually caused by a faulty mirror control switch, damaged wiring or connectors in the circuit, a malfunctioning mirror motor, or an issue in the vehicle's body control module (BCM).
4. Can I still drive my car with code B1741?
Yes, you can still drive your car, but it may be unsafe if the passenger mirror cannot be adjusted properly, especially if visibility is affected.
5. How do I diagnose code B1741?
Start by inspecting the wiring and connectors related to the passenger-side mirror. Then, test the mirror control switch and motor with a multimeter to check for continuity and proper function.
6. How can I fix code B1741?
Repair or replace any damaged wiring, connectors, or the mirror control switch. If the mirror motor itself is faulty, it will need to be replaced.
7. How much does it cost to fix code B1741?
Repair costs vary, but replacing a mirror control switch typically costs $50–$200, while a mirror motor repair could range from $100–$300, depending on labor and parts.
8. Can a blown fuse cause code B1741?
While unlikely, a blown fuse related to the mirror adjustment system could cause issues. Check your vehicle’s fuse box for any blown fuses and replace them if needed.
9. Do I need to reset the code after repairs?
Yes, after completing repairs, use an OBDII scanner to clear the code. If the issue is resolved, the code should not return.
10. Could a software issue trigger code B1741?
While rare, a glitch in the body control module (BCM) software could potentially cause this code. In such cases, updating or reprogramming the BCM may resolve the problem.
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