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AutoCodes – GMC – B2610 GMC

B2610 GMC Code - Passenger Compartment Dimming 1 Circuit

Quick Answer

The instrument panel dimmer switch is used to increase and decrease the brightness of the interior backlighting components. Common causes include Faulty Component with Inoperative Backlighting, Component with Inoperative Backlighting harness is open or shorted, Component with Inoperative Backlighting 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
B2610 GMC indicates Passenger Compartment Dimming 1 Circuit.
Common causes
Common causes include Faulty Component with Inoperative Backlighting, Component with Inoperative Backlighting harness is open or shorted, Component with Inoperative Backlighting 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.
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Code Popularity 6,398
How popular is this code, among other codes? Low
What is this?
Table of contents Created and updated by William Orellana on May 29, 2023
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Code B2610 GMC Description

The instrument panel dimmer switch is used to increase and decrease the brightness of the interior backlighting components. The dimmer switch provides a voltage signal to the Body Control Module (BCM) that will increase as the brightness of the lights is increased and decrease as the brightness of the lights is decreased. The BCM provides a low reference, signal, and B+ voltage reference circuits to the dimmer switch. When the dimmer switch is placed in the desired position, the dimmed voltage setting is applied from the dimmer switch through the dimmer switch signal circuit to the BCM. The BCM interprets the signal and applies a Pulse Width Modulated (PWM) voltage through the Light Emitting Diode (LED) dimming control circuits illuminating the interior backlighting to the requested level of brightness. The Diagnostic Trouble Code (DTC) sets when the BCM detects a problem in the LED backlight dimming control 1 circuit.
OBDII Code B2610 GMC - Passenger Compartment Dimming 1 Circuit - AutoCodes.com
B2610 GMC Code - Passenger Compartment Dimming 1 Circuit
What does this mean?

What are the Possible Causes of the DTC B2610 GMC?

  • Faulty Component with Inoperative Backlighting
  • Component with Inoperative Backlighting harness is open or shorted
  • Component with Inoperative Backlighting circuit poor electrical connection
  • Faulty Body Control Module (BCM)

How to Fix the DTC B2610 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.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the B2610 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.

Need more information about the B2610 GMC code?

Need more information on how to fix the B2610 GMC code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B2610 GMC code diagnosed by a professional: Find a repair shop in your area

Information for Specific GMC Models

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 B2610 GMC Code

1. What are common symptoms of OBDII code B2610 GMC?

- Dimming or flickering of interior lights, especially in the passenger compartment.

2. What does OBDII code B2610 GMC indicate?

- It indicates a malfunction in the Passenger Compartment Dimming 1 Circuit.

3. What are possible causes of OBDII code B2610 GMC?

- Faulty dimmer switch, wiring issues, blown fuse, or a malfunctioning light control module.

4. How can I diagnose the cause of OBDII code B2610 GMC?

- Use a multimeter to test the dimmer switch, check the wiring for any damage, inspect fuses, and scan the light control module for faults.

5. Can OBDII code B2610 GMC be fixed easily?

- Yes, depending on the underlying cause, it can be a relatively straightforward repair.

6. Is it safe to continue driving with OBDII code B2610 GMC?

- It is generally safe to drive with this code, but it is recommended to address the issue promptly to avoid potential electrical problems.

7. Can a DIY enthusiast repair OBDII code B2610 GMC?

- Yes, if you have experience with automotive electrical systems, you may be able to troubleshoot and fix the issue yourself.

8. Do I need special tools to fix OBDII code B2610 GMC?

- Basic tools like a multimeter, screwdrivers, and possibly a code reader are typically sufficient for diagnosing and repairing this code.

9. How much does it cost to repair OBDII code B2610 GMC at a mechanic?

- The cost can vary depending on the root cause of the issue, but on average, it can range from $100 to $300 for parts and labor.

10. Are there any preventive measures to avoid OBDII code B2610 GMC in the future?

- Regularly inspecting and maintaining the interior lighting system can help prevent issues that may trigger this OBDII code.

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