B1741 Code - Mirror Passenger Vertical Switch Circuit Failure
Quick Answer
The Body Control Module (BCM) monitors the Mirror Passenger Vertical Switch. Common causes include Faulty Mirror Passenger Vertical Switch, Mirror Passenger Vertical Switch harness is open or shorted, Mirror Passenger Vertical 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
- B1741 indicates Mirror Passenger Vertical Switch Circuit Failure.
- Common causes
- Common causes include Faulty Mirror Passenger Vertical Switch, Mirror Passenger Vertical Switch harness is open or shorted, Mirror Passenger Vertical 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 B1741 Description
What are the Possible Causes of the DTC B1741?
- Faulty Mirror Passenger Vertical Switch
- Mirror Passenger Vertical Switch harness is open or shorted
- Mirror Passenger Vertical Switch circuit poor electrical connection
- Faulty Body Control Module (BCM)
How to Fix the DTC B1741?
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 B1741 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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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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