B3145 2017 GMC Sierra Code - Passenger Door Unlock Switch Circuit
Quick Answer
The Body Control Module (BCM) monitors the voltage level of the door lock and door unlock signal circuits. Common causes include Faulty Passenger Door Unlock Switch, Passenger Door Unlock Switch harness is open or shorted, Passenger Door Unlock 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
- B3145 2017 GMC Sierra indicates Passenger Door Unlock Switch Circuit.
- Common causes
- Common causes include Faulty Passenger Door Unlock Switch, Passenger Door Unlock Switch harness is open or shorted, Passenger Door Unlock 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 B3145 2017 GMC Sierra Description
What are the Possible Causes of the DTC B3145 2017 GMC Sierra?
- Faulty Passenger Door Unlock Switch
- Passenger Door Unlock Switch harness is open or shorted
- Passenger Door Unlock Switch circuit poor electrical connection
- Faulty Body Control Module (BCM)
How to Fix the DTC B3145 2017 GMC Sierra?
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 B3145 2017 GMC Sierra 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 B3145 2017 GMC Sierra code?
Need more information on how to fix the B3145 2017 GMC Sierra code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the B3145 2017 GMC Sierra code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about B3145 2017 GMC Sierra Code
1. What are some common symptoms of OBDII code B3145 on a 2017 GMC Sierra related to the Passenger Door Unlock Switch Circuit?
The common symptoms include the passenger door not unlocking using the interior switch, erratic behavior of the unlock function, or the door unlocking intermittently.
2. What are the potential causes of OBDII code B3145 on a 2017 GMC Sierra?
Possible causes include a faulty passenger door unlock switch, damaged wiring or connectors in the circuit, a malfunctioning body control module (BCM), or a poor electrical connection.
3. How can I diagnose the issue causing OBDII code B3145 on my 2017 GMC Sierra?
You can start by checking the passenger door unlock switch for proper function, inspecting the wiring and connectors for any visible damage, performing a continuity test on the circuit, and using a scan tool to check for BCM codes and data.
4. Is it safe to continue driving my 2017 GMC Sierra with OBDII code B3145 related to the Passenger Door Unlock Switch Circuit?
While it may be safe to drive, it is recommended to address the issue promptly to ensure the proper functioning of the passenger door unlock system, especially for passenger safety and convenience.
5. Can I repair OBDII code B3145 on my 2017 GMC Sierra related to the Passenger Door Unlock Switch Circuit myself?
If you have experience with automotive electrical systems and access to the necessary tools, you may be able to repair the issue yourself by replacing the faulty switch, repairing damaged wiring, or addressing poor connections.
6. Should I reset the OBDII code B3145 on my 2017 GMC Sierra after making repairs to the Passenger Door Unlock Switch Circuit?
Yes, it is advisable to reset the code using a scan tool after making any repairs to clear the error code and see if the issue has been successfully resolved.
7. Are there any specific precautions to take when working on the Passenger Door Unlock Switch Circuit to resolve OBDII code B3145 on a 2017 GMC Sierra?
Ensure the vehicle is turned off, disconnect the battery to prevent electrical shorts, and follow proper safety procedures when handling electrical components to avoid any accidents or damage.
8. What is the typical cost to repair OBDII code B3145 on a 2017 GMC Sierra related to the Passenger Door Unlock Switch Circuit at a professional auto repair shop?
The cost of repairs can vary depending on the exact cause of the issue, but it may range from $100 to $300, including parts and labor.
9. Can a malfunctioning Passenger Door Unlock Switch Circuit leading to OBDII code B3145 impact other electrical systems in my 2017 GMC Sierra?
While the specific impact may vary, a faulty circuit can potentially affect other related systems controlled by the BCM, such as interior lighting, power windows, or door locks.
10. How long does it typically take to repair OBDII code B3145 on a 2017 GMC Sierra related to the Passenger Door Unlock Switch Circuit?
The repair time can vary based on the extent of the issue, but a professional technician may take around 1 to 2 hours to diagnose and repair the problem effectively.
Discuss the causes and fixes for B3145 2017 GMC Sierra OBDII Code
Code B3145 2017 GMC Sierra comments
No comments found for this page.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
