B1280 2015 GMC Sierra Code - Rear Seat Entertainment Input Signal Circuit
Quick Answer
The rear displays are located in the back of the driver and front passenger seats. Common causes include Faulty Rear Video Display, Rear Video Display harness is open or shorted, Rear Video Display circuit poor electrical connection. Severity is Low - monitor the vehicle and repair when practical. The vehicle can usually be driven if no severe symptoms are present, but symptoms should be checked before extended driving.
- What it means
- B1280 2015 GMC Sierra indicates Rear Seat Entertainment Input Signal Circuit .
- Common causes
- Common causes include Faulty Rear Video Display, Rear Video Display harness is open or shorted, Rear Video Display circuit poor electrical connection.
- Severity
- Low - monitor the vehicle and repair when practical.
- Can I drive?
- The vehicle can usually be driven if no severe symptoms are present, but symptoms should be checked before extended driving.
Code B1280 2015 GMC Sierra Description
The seatback displays receive power and ground from the vehicle harness. A discrete control circuit from the disc player is used to control the power state of the displays.
The displays receive all other video, audio, and control information via the Low Voltage Differential Signaling (LVDS) cable. The LVDS cable connected to the disc player contains two pairs of data circuits, one pair for each of the rear displays. A splitter cable is used to separate the data circuits to each individual display, providing separate information to each display.
What are the Possible Causes of the DTC B1280 2015 GMC Sierra?
- Faulty Rear Video Display
- Rear Video Display harness is open or shorted
- Rear Video Display circuit poor electrical connection
- Faulty Media Disc Player
- Faulty Low Voltage Differential Signaling (LVDS) Cable
How to Fix the DTC B1280 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 B1280 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 B1280 2015 GMC Sierra Code
1. What does the OBDII code B1280 mean on a 2015 GMC Sierra?
B1280 indicates a problem with the Rear Seat Entertainment (RSE) Input Signal Circuit, suggesting a communication or wiring issue.
2. What are the common symptoms of code B1280 in a 2015 GMC Sierra?
Symptoms may include the rear seat entertainment system not powering on, no audio or video playback, or intermittent functionality.
3. What causes code B1280 in the 2015 GMC Sierra?
Common causes include loose or damaged wiring, faulty connectors, a malfunctioning rear seat entertainment module, or input signal interference.
4. Can a faulty rear seat entertainment system cause other issues in the vehicle?
Generally, it won't affect core vehicle performance, but it can impact passenger convenience features and cause diagnostic trouble codes.
5. How do I diagnose the B1280 code in a GMC Sierra?
Inspect the wiring and connectors for the rear seat entertainment system, check for proper input signals, and use a scan tool to monitor module communication.
6. Can a blown fuse cause the B1280 code to appear?
Yes, a blown fuse related to the rear seat entertainment system can disrupt the input signal circuit and trigger this code.
7. Is the rear seat entertainment module likely to fail and cause the B1280 code?
While rare, a defective RSE module can cause the code if it cannot process or send input signals properly.
8. Can I fix the B1280 code on my own?
If the issue involves loose connectors or damaged wires, you may be able to fix it yourself, but diagnosing module failures typically requires professional tools.
9. How much does it cost to repair the B1280 code in a 2015 GMC Sierra?
Repair costs can vary, but wiring repairs typically cost $100-$300, while replacing the rear seat entertainment module can cost $500 or more, including labor.
10. Will clearing the B1280 code with a scan tool fix the issue?
Clearing the code won’t fix the underlying problem. The root cause, such as wiring or module issues, needs to be addressed first.
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