AutoCodes – Generic – B2473

B2473 Code - Passenger Door Disarm Switch Check Short To Ground

Quick Answer

The Body Control Module (BCM) monitors the Passenger Door Disarm Switch. Common causes include Faulty Passenger Door Disarm Switch, Passenger Door Disarm Switch harness is open or shorted, Passenger Door Disarm 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: B2473 indicates Passenger Door Disarm Switch Check Short To Ground.
Common causes: Common causes include Faulty Passenger Door Disarm Switch, Passenger Door Disarm Switch harness is open or shorted, Passenger Door Disarm 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.

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Code Popularity 3,934

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Dec 09, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B2473 Description

The Body Control Module (BCM) monitors the Passenger Door Disarm Switch. The BCM sets the OBDII code when the Passenger Door Disarm Switch is not to factory specifications.

OBDII Code B2473 - Passenger Door Disarm Switch Check Short To Ground - AutoCodes.com — B2473 Code - Passenger Door Disarm Switch Check Short To Ground

What does this mean?

What are the Possible Causes of the DTC B2473?

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

How to Fix the DTC B2473?

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 B2473 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 B2473 code?

Need more information on how to fix the B2473 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B2473 code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

B2473 Buick — High Beam Output Fault
B2473 Cadillac — High Beam Output Fault
B2473 Chevrolet — High Beam Output Fault
B2473 GMC — High Beam Output Fault

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 B2473 Code

1. What does the OBDII code B2473 mean?

B2473 indicates an issue with the passenger door disarm switch, specifically a short to ground in the circuit.

2. What are the symptoms of code B2473?

Common symptoms include the passenger door not unlocking properly, interior lights failing to activate, or the security system behaving abnormally.

3. What causes the B2473 code?

This code is typically caused by damaged wiring, a faulty passenger door disarm switch, or a short circuit to ground in the electrical system.

4. Can I still drive my car with a B2473 code?

Yes, the vehicle is usually drivable, but security or convenience features related to the passenger door may be impaired.

5. How can I diagnose a B2473 code?

Inspect the wiring and connectors for damage, test the passenger door disarm switch for proper function, and check for continuity to ground where it shouldnâ€™t exist.

6. How do I fix the B2473 code?

Repairs may involve replacing damaged wiring, repairing the short circuit, or replacing the passenger door disarm switch if itâ€™s faulty.

7. Is the B2473 code specific to certain car brands?

No, this code can appear in various vehicles equipped with an OBDII system, but the exact diagnosis and repair steps may vary by make and model.

8. What tools are needed to fix the B2473 code?

Youâ€™ll typically need a multimeter to check for shorts and continuity, and possibly a scan tool to clear the code after repairs.

9. Will clearing the B2473 code fix the problem?

No, clearing the code will reset the warning temporarily, but the underlying issue must be addressed to prevent the code from returning.

10. How much does it cost to repair a B2473 code?

The repair cost depends on the root cause, ranging from $50 for simple wiring repairs to several hundred dollars for a new switch or professional diagnostics.