AutoCodesGeneric – B2474

B2474 Code - Passenger Door Lock Switch Circuit Shorted To Ground

Quick Answer

The Body Control Module (BCM) monitors the Passenger Door Lock Switch. Common causes include Faulty Passenger Door Lock Switch, Passenger Door Lock Switch harness is open or shorted, Passenger Door Lock 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
B2474 indicates Passenger Door Lock Switch Circuit Shorted To Ground.
Common causes
Common causes include Faulty Passenger Door Lock Switch, Passenger Door Lock Switch harness is open or shorted, Passenger Door Lock 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.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 3,618
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Dec 09, 2019
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Code B2474 Description

The Body Control Module (BCM) monitors the Passenger Door Lock Switch. The BCM sets the OBDII code when the Passenger Door Lock Switch is not to factory specifications.
OBDII Code B2474 - Passenger Door Lock Switch Circuit Shorted To Ground - AutoCodes.com
B2474 Code - Passenger Door Lock Switch Circuit Shorted To Ground

What are the Possible Causes of the DTC B2474?

  • Faulty Passenger Door Lock Switch
  • Passenger Door Lock Switch harness is open or shorted
  • Passenger Door Lock Switch circuit poor electrical connection
  • Faulty Body Control Module (BCM)

How to Fix the DTC B2474?

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 B2474 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 B2474 code?

Need more information on how to fix the B2474 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B2474 code diagnosed by a professional: Find a repair shop in your area

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 B2474 Code

What does the OBDII code B2474 mean?

B2474 indicates that the passenger door lock switch circuit has a short to ground, causing the door lock system to malfunction.

What are common symptoms of the B2474 code?

Symptoms include the passenger door lock not functioning properly, inability to lock or unlock the door, or erratic behavior of the locking mechanism.

What causes the B2474 code to appear?

Common causes include damaged wiring, a shorted door lock switch, corroded connectors, or issues with the door lock actuator.

How can I diagnose the B2474 code?

Inspect the wiring and connectors in the passenger door lock circuit for damage, corrosion, or signs of a short to ground. Test the door lock switch with a multimeter.

Can a faulty door lock switch cause the B2474 code?

Yes, a malfunctioning or shorted passenger door lock switch can trigger this code.

Is the B2474 code a serious issue?

While it may not affect vehicle drivability, it can compromise security and convenience, so it should be addressed promptly.

How do I fix the B2474 code?

Repair or replace damaged wiring, connectors, or the door lock switch. Ensure all connections are clean and secure.

Can I clear the B2474 code without repairs?

Clearing the code without addressing the underlying issue will likely result in the code returning and continued malfunction of the door lock system.

Does the B2474 code affect other door locks?

Typically, it only affects the passenger door lock circuit, but in some cases, it may interfere with the functionality of the entire door lock system.

Do I need professional help to fix the B2474 code?

If you’re experienced with electrical diagnostics, you may be able to resolve the issue yourself. Otherwise, seeking help from a qualified mechanic is recommended.

Discuss the causes and fixes for B2474 OBDII Code

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