AutoCodes – Chevrolet – B1740 2015 Chevrolet Silverado

B1740 2015 Chevrolet Silverado Code - Driver Seat Front Down Switch Circuit

Quick Answer

The Seat Memory Control Module supplies a reference voltage to each signal circuit of the Driver Seat Adjuster Switch. Common causes include Faulty Driver Seat Adjuster Switch, Driver Seat Adjuster Switch harness is open or shorted, Driver Seat Adjuster 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: B1740 2015 Chevrolet Silverado indicates Driver Seat Front Down Switch Circuit.
Common causes: Common causes include Faulty Driver Seat Adjuster Switch, Driver Seat Adjuster Switch harness is open or shorted, Driver Seat Adjuster 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 191

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

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Table of contents Created and updated by William Orellana on Apr 23, 2023

Description
Possible Causes
How To Fix
Tech Notes ▶
Cost to Diagnose
FAQs
Comments
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Code B1740 2015 Chevrolet Silverado Description

The Seat Memory Control Module supplies a reference voltage to each signal circuit of the Driver Seat Adjuster Switch. When the power seat or lumbar switches are pressed, the appropriate signal circuit from the Seat Memory Control Module is pulled low through the switch contacts indicating the power seat command. The Seat Memory Control Module then commands the driver seat or lumbar to move in response to the switch signals. The Diagnostic Trouble Code (DTC) will be set when there is a short to ground on a switch signal circuit.

OBDII Code B1740 2015 Chevrolet Silverado - Driver Seat Front Down Switch Circuit - AutoCodes.com — B1740 2015 Chevrolet Silverado Code - Driver Seat Front Down Switch Circuit

What does this mean?

What are the Possible Causes of the DTC B1740 2015 Chevrolet Silverado?

Faulty Driver Seat Adjuster Switch
Driver Seat Adjuster Switch harness is open or shorted
Driver Seat Adjuster Switch circuit poor electrical connection
Faulty Seat Memory Control Module

How to Fix the DTC B1740 2015 Chevrolet Silverado?

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 does this mean?

Code Tech Notes

User Submitted Video

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the B1740 2015 Chevrolet Silverado 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 B1740 2015 Chevrolet Silverado code?

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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 B1740 2015 Chevrolet Silverado Code

1. What are the common symptoms of OBDII code B1740 in a 2015 Chevrolet Silverado?

- The common symptoms include non-functional driver seat front down switch, inability to adjust the front seat downward, or erratic seat movement.

2. What does the OBDII code B1740 in a 2015 Chevrolet Silverado indicate?

- The B1740 code indicates a problem with the driver seat front down switch circuit.

3. What are the possible causes of OBDII code B1740 in a 2015 Chevrolet Silverado?

- Possible causes include a faulty driver seat switch, damaged wiring or connectors in the circuit, or a malfunctioning seat control module.

4. How can I diagnose the issue causing OBDII code B1740 in my 2015 Chevrolet Silverado?

- To diagnose the issue, you can inspect the driver seat front down switch, check the wiring and connectors for damage, and use a diagnostic tool to scan for specific faults.

5. How can I repair OBDII code B1740 in my 2015 Chevrolet Silverado?

- The repair process may involve replacing the driver seat switch, repairing or replacing damaged wiring or connectors, or reprogramming the seat control module.

6. Can I drive my 2015 Chevrolet Silverado with OBDII code B1740?

- It is generally safe to drive the vehicle with this code, but it is recommended to address the issue promptly to ensure proper functionality of the driver seat.

7. Is it possible to reset OBDII code B1740 in a 2015 Chevrolet Silverado without repairing the issue?

- While you can clear the code temporarily, it is crucial to identify and fix the underlying problem to prevent the code from reappearing.

8. How much does it cost to repair OBDII code B1740 in a 2015 Chevrolet Silverado?

- The cost of repair can vary depending on the exact cause of the issue, but it may involve parts and labor expenses ranging from $100 to $300 or more.

9. Can a DIY enthusiast fix OBDII code B1740 in a 2015 Chevrolet Silverado?

- Depending on your skill level and access to tools, some DIY enthusiasts may be able to diagnose and repair the issue themselves, especially if it involves simple tasks like replacing a switch or checking wiring.

10. How long does it take to repair OBDII code B1740 in a 2015 Chevrolet Silverado?

- The repair time can vary based on the complexity of the problem and the availability of parts, but it typically takes a few hours to a day for a professional technician to address the issue.