B316B 2016 GMC Sierra Code - Driver 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 Driver Window Switch, Driver Window Switch harness is open or shorted, Driver 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
- B316B 2016 GMC Sierra indicates Driver Window Switch.
- Common causes
- Common causes include Faulty Driver Window Switch, Driver Window Switch harness is open or shorted, Driver 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 B316B 2016 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 B316B 2016 GMC Sierra?
- Faulty Driver Window Switch
- Driver Window Switch harness is open or shorted
- Driver Window Switch circuit poor electrical connection
- Faulty Body Control Module (BCM)
How to Fix the DTC B316B 2016 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 B316B 2016 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 B316B 2016 GMC Sierra Code
1. What does OBDII code B316B mean on a 2016 GMC Sierra?
The B316B code indicates an issue with the driver window switch circuit, such as a malfunction or communication error.
2. What are the common symptoms of code B316B in a 2016 GMC Sierra?
Symptoms include the driver’s window not operating, intermittent functionality, or unresponsive window switch controls.
3. What causes the B316B code to appear?
Common causes include a faulty driver window switch, damaged wiring, poor electrical connections, or a failed window motor.
4. Can a blown fuse trigger the B316B code?
Yes, a blown fuse in the power window circuit can contribute to this code by disrupting power to the driver window switch.
5. How do I diagnose the B316B code?
Start by checking the driver window switch for physical damage, inspect wiring and connectors for corrosion or breaks, and use a multimeter to test for continuity and voltage.
6. Can the B316B code be cleared without replacing parts?
Yes, if the issue is a loose connection or minor wiring problem, repairing the connection and clearing the code with a scan tool may resolve it.
7. How much does it cost to repair the B316B code?
Repair costs vary, but replacing a driver window switch typically costs $50-$150 for parts and additional labor if done professionally.
8. Can I still drive my 2016 GMC Sierra with the B316B code?
Yes, the vehicle is drivable, but you may experience inconvenience due to the driver’s window not functioning properly.
9. Does the B316B code affect other windows in the vehicle?
No, this code specifically relates to the driver window switch and does not typically impact the operation of other windows.
10. Should I replace the driver window switch immediately for a B316B code?
Not necessarily. First, diagnose the issue to confirm whether the switch is faulty or if the problem lies in wiring or the window motor.
Discuss the causes and fixes for B316B 2016 GMC Sierra OBDII Code
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