AutoCodes – GMC – B1288 GMC

B1288 GMC Code - Video Display Mode Control Signal

Quick Answer

The radio can control the video display mode on vehicles equipped with Rear Seat Entertainment (RSE) video. Common causes include Faulty Video Display, Video Display harness is open or shorted, 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
B1288 GMC indicates Video Display Mode Control Signal.
Common causes
Common causes include Faulty Video Display, Video Display harness is open or shorted, 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.
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Code Popularity 1,612
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Nov 29, 2024
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Code B1288 GMC Description

The radio can control the video display mode on vehicles equipped with Rear Seat Entertainment (RSE) video. The radio varies a Pulse With Modulated (PWM) signal to the rear entertainment video screen to command the display mode. The Diagnostic Trouble Code (DTC) will set when the radio detects a short to voltage, short to ground, or an open/high resistance in the video display mode control circuit 400 ms after the radio activates the remote enable circuit.
OBDII Code B1288 GMC - Video Display Mode Control Signal - AutoCodes.com
B1288 GMC Code - Video Display Mode Control Signal

What are the Possible Causes of the DTC B1288 GMC?

  • Faulty Video Display
  • Video Display harness is open or shorted
  • Video Display circuit poor electrical connection

How to Fix the DTC B1288 GMC?

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.

Code Tech Notes

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the B1288 GMC 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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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about B1288 GMC Code

1. What are the common symptoms of OBDII code B1288 in a GMC related to Video Display Mode Control Signal?

- The common symptoms include malfunctioning or erratic behavior of the video display mode control signal, leading to issues with the display screen in the vehicle.

2. What are the possible causes of OBDII code B1288 in a GMC?

- The code B1288 can be triggered by issues such as a faulty video display control module, wiring problems, or a malfunction in the video display itself.

3. How can I diagnose the root cause of OBDII code B1288 in my GMC?

- To diagnose the issue, it is recommended to use a diagnostic scan tool to retrieve the specific trouble code, inspect the wiring connected to the video display components, and test the video display control module for functionality.

4. Is it safe to continue driving my GMC with OBDII code B1288 present?

- It is advisable to address the issue promptly to prevent further damage or malfunction to the video display system. Continuing to drive with the code present may lead to inconvenience or safety concerns.

5. Can I repair OBDII code B1288 in my GMC by myself, or do I need professional assistance?

- Depending on your automotive repair skills and knowledge, you may attempt to address the issue yourself by following repair guides and using appropriate tools. However, seeking professional assistance is recommended for accurate diagnosis and repair.

6. Are there any simple troubleshooting steps I can take to resolve OBDII code B1288 in my GMC?

- Simple troubleshooting steps include checking for loose or damaged wiring connections, ensuring the video display control module is securely connected, and resetting the system by disconnecting the battery for a few minutes.

7. Will resetting the OBDII system clear the B1288 trouble code in my GMC?

- Resetting the OBDII system may temporarily clear the trouble code, but it is essential to investigate and address the root cause of the issue to prevent the code from reoccurring.

8. How much does it typically cost to repair OBDII code B1288 in a GMC?

- The repair cost for OBDII code B1288 can vary depending on the specific cause of the issue, the extent of the damage, and whether you choose to repair it yourself or seek professional help. Costs may include parts and labor expenses.

9. Can extreme weather conditions or rough driving affect the occurrence of OBDII code B1288 in a GMC?

- Extreme weather conditions, as well as rough driving conditions, can potentially impact the video display mode control signal and contribute to triggering the B1288 trouble code. It is important to drive carefully and maintain your vehicle to prevent such issues.

10. Is OBDII code B1288 specific to GMC vehicles only, or can it occur in other car brands?

- While OBDII code B1288 is associated with GMC vehicles, similar issues related to the video display mode control signal can occur in other car brands as well. The specific troubleshooting and repair steps may vary depending on the vehicle make and model.

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