AutoCodesChevrolet – B1740 2014 Chevrolet Silverado

B1740 2014 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 2014 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.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 209
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Apr 23, 2023
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Code B1740 2014 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 2014 Chevrolet Silverado - Driver Seat Front Down Switch Circuit - AutoCodes.com
B1740 2014 Chevrolet Silverado Code - Driver Seat Front Down Switch Circuit

What are the Possible Causes of the DTC B1740 2014 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 2014 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.

Code Tech Notes

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the B1740 2014 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 2014 Chevrolet Silverado code?

Need more information on how to fix the B1740 2014 Chevrolet Silverado code? Get Access to Factory Service Manuals

Need Help with the 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 2014 Chevrolet Silverado Code

1. What are the common symptoms of OBDII code B1740 in a 2014 Chevrolet Silverado?

The common symptoms of OBDII code B1740 include the inability to adjust the driver's seat front down, a non-functioning front down switch, or erratic movement of the driver's seat.

2. What could be causing the OBDII code B1740 in a 2014 Chevrolet Silverado?

The OBDII code B1740 in a 2014 Chevrolet Silverado is typically caused by a malfunction in the driver seat front down switch circuit, which may be due to a faulty switch, wiring issue, or a problem with the seat control module.

3. How can I diagnose the OBDII code B1740 in my 2014 Chevrolet Silverado?

To diagnose OBDII code B1740, you can start by inspecting the driver seat front down switch for any physical damage or signs of wear. Next, check the wiring harness connected to the switch and the seat control module for any loose connections or damage.

4. What is the recommended repair for OBDII code B1740 in a 2014 Chevrolet Silverado?

The recommended repair for OBDII code B1740 involves repairing or replacing the driver seat front down switch if it is found to be faulty. Additionally, any damaged wiring should be repaired or replaced, and the seat control module should be checked for proper functioning.

5. Can I fix the OBDII code B1740 in my 2014 Chevrolet Silverado myself?

Depending on your skill level and experience with automotive repairs, you may be able to fix the OBDII code B1740 yourself by following a repair manual specific to your vehicle. However, if you are unsure or uncomfortable with electrical repairs, it is recommended to seek professional assistance.

6. Will driving my 2014 Chevrolet Silverado with OBDII code B1740 cause any safety concerns?

While driving with OBDII code B1740 may not directly impact the safety of your vehicle, it can affect the convenience and comfort of adjusting the driver's seat. It is advisable to address the issue promptly to ensure optimal functionality of the seat adjustment features.

7. How much does it cost to repair OBDII code B1740 in a 2014 Chevrolet Silverado?

The cost of repairing OBDII code B1740 in a 2014 Chevrolet Silverado can vary depending on the extent of the issue, parts needed for replacement, and labor costs. It is recommended to obtain quotes from different repair shops or dealerships for an accurate estimate.

8. Are there any recalls or technical service bulletins related to OBDII code B1740 in the 2014 Chevrolet Silverado?

It is advisable to check with the manufacturer or authorized service centers for any recalls or technical service bulletins related to OBDII code B1740 in the 2014 Chevrolet Silverado. These resources may provide valuable information on known issues and recommended solutions.

9. Can a faulty driver seat front down switch affect other functions in my 2014 Chevrolet Silverado?

A faulty driver seat front down switch can potentially affect other functions related to seat adjustment in your 2014 Chevrolet Silverado. It is important to address the issue promptly to prevent any further electrical or mechanical issues with the seat controls.

10. Is it possible for the OBDII code B1740 in a 2014 Chevrolet Silverado to reset on its own?

In some cases, the OBDII code B1740 in a 2014 Chevrolet Silverado may reset on its own if the underlying issue was temporary or intermittent. However, if the problem persists, it is recommended to diagnose and repair the issue to prevent future occurrences.

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