AutoCodes – Chevrolet – B2425 Chevrolet

B2425 Chevrolet Code - Driver Seat Heater Circuit

Quick Answer

The Driver and Passenger Seat Heaters are controlled by the Driver Seat Module (DSM). Common causes include Faulty Driver Seat Heater, Driver Seat Heater harness is open or shorted, Driver Seat Heater 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: B2425 Chevrolet indicates Driver Seat Heater Circuit.
Common causes: Common causes include Faulty Driver Seat Heater, Driver Seat Heater harness is open or shorted, Driver Seat Heater 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 4,006

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 08, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B2425 Chevrolet Description

The Driver and Passenger Seat Heaters are controlled by the Driver Seat Module (DSM). Power is supplied to the driver seat cushion and back heater elements through individual voltage supply circuits. Power is supplied to the passenger seat cushion and back heater elements through a common voltage supply circuit. All of the driver and passenger seat heater elements are grounded by the DSM through individual low side drive control circuits. The heater element control circuits are pulse width modulated to ground by the DSM in order to control the seat temperatures by regulating the current flow through the heater elements.

OBDII Code B2425 Chevrolet - Driver Seat Heater Circuit - AutoCodes.com — B2425 Chevrolet Code - Driver Seat Heater Circuit

What does this mean?

What are the Possible Causes of the DTC B2425 Chevrolet?

Faulty Driver Seat Heater
Driver Seat Heater harness is open or shorted
Driver Seat Heater circuit poor electrical connection
Faulty Driver Seat Module (DSM)

How to Fix the DTC B2425 Chevrolet?

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 B2425 Chevrolet 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 B2425 Chevrolet code?

Need more information on how to fix the B2425 Chevrolet code? Get Access to Factory Service Manuals

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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 B2425 Chevrolet Code

1. What does the OBDII code B2425 mean on a Chevrolet?

B2425 indicates a fault in the Driver Seat Heater Circuit, meaning thereâ€™s an issue with the electrical circuit that heats the driverâ€™s seat.

2. What are the common symptoms of a B2425 code?

Symptoms include the driverâ€™s seat heater not working, failure to switch on, or intermittent operation of the seat heating function.

3. What causes the B2425 code to trigger?

Possible causes include a blown fuse, a faulty seat heater element, damaged wiring, a defective seat heater switch, or a malfunctioning control module.

4. Can a bad seat heater element cause the B2425 code?

Yes, a damaged or open-circuit seat heater element is a common cause of the B2425 code.

5. How can you diagnose the B2425 code?

Diagnose the code by checking the seat heater fuse, inspecting wiring and connectors for damage, testing the seat heater switch, and using a scan tool to monitor the seat heater circuit.

6. Is it safe to drive with a B2425 code?

Yes, it is safe to drive with this code, but the driverâ€™s seat heater will not function properly until the issue is fixed.

7. How do you fix the B2425 code?

Repairs may include replacing a blown fuse, repairing damaged wiring, replacing the seat heater element, or replacing a faulty control module.

8. What tools are needed to troubleshoot the B2425 code?

Tools may include a multimeter, a scan tool with diagnostic capabilities, a repair manual, and basic hand tools for accessing seat components.

9. Can resetting the code fix the B2425 issue?

Clearing the code might temporarily reset the system, but the underlying issue must be repaired to prevent the code from returning.

10. How much does it cost to repair a B2425 code?

Repair costs vary depending on the issue, ranging from $50 for a fuse replacement to over $500 if the seat heater element or control module needs replacement.