AutoCodesGeneric – B2610:04

B2610:04 Code - Passenger Compartment Dimming 1 Circuit Open

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
B2610:04 indicates Passenger Compartment Dimming 1 Circuit Open.
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 311
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on May 29, 2023
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Code B2610:04 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 short to voltage or an open/high resistance in the LED backlight dimming control 1 circuit terminal or LED backlight dimming control 2 circuit terminal.
OBDII Code B2610:04 - Passenger Compartment Dimming 1 Circuit Open - AutoCodes.com
B2610:04 Code - Passenger Compartment Dimming 1 Circuit Open

What are the Possible Causes of the DTC B2610:04?

  • 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 B2610:04?

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 B2610:04 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 B2610:04 Code

What does the OBDII code B2610:04 mean?

Code B2610:04 indicates an open circuit in the Passenger Compartment Dimming 1 Circuit, which affects the dimming functionality of interior lighting.

What are the common symptoms of code B2610:04?

Symptoms include interior lights failing to dim, lights staying at maximum brightness, or intermittent functionality of dimming features.

What causes code B2610:04 to appear?

The most common causes include damaged wiring, loose or corroded connectors, a faulty dimmer control module, or issues with the associated circuit.

Can code B2610:04 affect other vehicle systems?

Generally, this code only affects the interior lighting dimming operation and does not impact critical driving systems.

How is code B2610:04 diagnosed?

A technician will inspect the wiring and connectors for damage, check the dimmer control module, and use a multimeter to test circuit continuity.

Can I fix code B2610:04 myself?

If you’re comfortable with basic electrical repairs, you can inspect and replace damaged wires or connectors. For deeper issues, professional help may be needed.

How much does it cost to repair code B2610:04?

Repairs can range from $50 to $200, depending on whether the issue is simple wiring damage or requires module replacement.

Will clearing the code fix the issue permanently?

No, clearing the code will only remove the error temporarily. The underlying problem must be resolved to prevent the code from returning.

Can code B2610:04 drain the battery?

Yes, if the interior lights remain on due to the dimming circuit malfunction, it can lead to excessive battery drain.

Is it safe to drive with code B2610:04?

Yes, this code does not affect drivability, but it may cause inconvenience due to improper interior lighting functionality.

Discuss the causes and fixes for B2610:04 OBDII Code

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