B319A 2015 GMC Sierra Code - Right Rear Window Switch
Quick Answer
The driver and passenger window motors supply 12 V signal circuits to their respective window switches, when a window switch has been activated, a switch closes providing a ground to the appropriate signal circuit causing the voltage to drop to 0 V. 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
- B319A 2015 GMC Sierra indicates Right Rear Window Switch.
- 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 B319A 2015 GMC Sierra Description
The driver window master control switch also contains control switches for the passenger, left rear and right rear window functions. When a window switch is pressed, a serial data message is sent to the Body Control Module (BCM). The BCM examines the request and checks for messages from other power window motors that may prohibit window movement. If no prohibitive messages have been received, the BCM will send a serial data message to the passenger window motor or to the appropriate rear window switch which will perform the command as requested.
What are the Possible Causes of the DTC B319A 2015 GMC Sierra?
- Faulty Right Rear Window Switch
- Right Rear Window Switch harness is open or shorted
- Right Rear Window Switch circuit poor electrical connection
- Faulty Body Control Module (BCM)
How to Fix the DTC B319A 2015 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 B319A 2015 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.
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Frequently Asked Questions about B319A 2015 GMC Sierra Code
1. What does OBDII code B319A for a 2015 GMC Sierra indicate?
This code specifically relates to the Right Rear Window Switch on the vehicle.
2. What are common symptoms of OBDII code B319A in a 2015 GMC Sierra?
Common symptoms include the right rear window not functioning properly or being completely inoperative.
3. What are possible causes of OBDII code B319A on a 2015 GMC Sierra?
Potential causes include a faulty right rear window switch, wiring issues, or a malfunction in the window regulator.
4. How can I diagnose the issue related to OBDII code B319A on my 2015 GMC Sierra?
You can start by checking the connections and wiring for the right rear window switch, as well as testing the switch itself for proper functionality.
5. Can I repair OBDII code B319A on a 2015 GMC Sierra myself?
Depending on your skills and experience, you may be able to replace the right rear window switch or address wiring issues yourself. However, complex repairs involving the window regulator may require professional assistance.
6. Is it safe to continue driving with OBDII code B319A on a 2015 GMC Sierra?
It is generally not recommended to drive with malfunctioning power windows, as they are important for visibility and safety. It's best to address the issue promptly.
7. How much does it typically cost to repair OBDII code B319A on a 2015 GMC Sierra?
The cost of repairs can vary based on the specific cause of the issue. Replacing a faulty switch may cost less than addressing wiring or regulator problems. It's advisable to get a professional diagnosis for an accurate estimate.
8. Can weather conditions affect the occurrence of OBDII code B319A on a 2015 GMC Sierra?
Extreme temperatures or moisture can potentially exacerbate issues with the right rear window switch or related components. Keeping the vehicle protected from such conditions may help prevent problems.
9. Are there any preventive measures to avoid OBDII code B319A on a 2015 GMC Sierra?
Regularly inspecting and maintaining the power window switches and components can help prevent issues like code B319A. Keeping the interior of the vehicle clean and dry can also contribute to their longevity.
10. Will resetting the OBDII code B319A on a 2015 GMC Sierra resolve the issue?
While clearing the code temporarily may reset warning lights, it is essential to address the underlying problem causing code B319A for a lasting solution to the right rear window switch issue.
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