AutoCodesGMC – B1825 2014 GMC Sierra

B1825 2014 GMC Sierra Code - Driver Seat Recline Position Sensor Circuit

Quick Answer

The Seat Memory Control Module monitors the position of the seat motors by using hall effect position sensors which are an internal part of each motor. Common causes include Faulty Driver Seat Recline Motor, Driver Seat Recline Motor harness is open or shorted, Driver Seat Recline Motor 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
B1825 2014 GMC Sierra indicates Driver Seat Recline Position Sensor Circuit.
Common causes
Common causes include Faulty Driver Seat Recline Motor, Driver Seat Recline Motor harness is open or shorted, Driver Seat Recline Motor 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 214
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Apr 17, 2023
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Code B1825 2014 GMC Sierra Description

The Seat Memory Control Module monitors the position of the seat motors by using hall effect position sensors which are an internal part of each motor. The module supplies each sensor with a 12 V reference circuit only when any seat motor is active, and a low side signal circuit. During seat motor operation, the hall effect position sensor provides a determined number of pulse signals for every revolution of the motor shaft. The scan tool displays these pulse signals as counts that range from 0–65,535. The module counts the feedback pulses from each sensor to determine seat position and end-of-travel limits for each of the seat motors. High scan tool count values indicate forward or upward seat positions while low count values indicate rearward or downward seat positions. The Diagnostic Trouble Code (DTC) will be set when there is a fault in the Driver Seat Recline Position Sensor Circuit.
OBDII Code B1825 2014 GMC Sierra - Driver Seat Recline Position Sensor Circuit - AutoCodes.com
B1825 2014 GMC Sierra Code - Driver Seat Recline Position Sensor Circuit

What are the Possible Causes of the DTC B1825 2014 GMC Sierra?

  • Faulty Driver Seat Recline Motor
  • Driver Seat Recline Motor harness is open or shorted
  • Driver Seat Recline Motor circuit poor electrical connection
  • Faulty Driver Seat Memory Control Module

How to Fix the DTC B1825 2014 GMC Sierra?

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 B1825 2014 GMC Sierra 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 B1825 2014 GMC Sierra 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 B1825 2014 GMC Sierra Code

1. What does the OBDII code B1825 mean on a 2014 GMC Sierra?

The code B1825 indicates an issue with the driver seat recline position sensor circuit, which monitors the seat's recline angle for proper functionality.

2. What are the common symptoms of a B1825 code?

Symptoms may include improper seat recline adjustment, a malfunctioning memory seat function, or an illuminated airbag or seat system warning light.

3. What causes the B1825 code to appear?

Common causes include a faulty driver seat recline position sensor, damaged wiring or connectors in the sensor circuit, or an issue with the seat control module.

4. Can I still drive my 2014 GMC Sierra with a B1825 code?

Yes, the vehicle is typically drivable, but features like seat memory and proper airbag deployment positioning may be compromised.

5. How do I diagnose the B1825 code?

Start by checking the wiring and connectors for damage or corrosion, then test the recline position sensor with a multimeter to ensure proper operation.

6. Can a damaged seat control module cause a B1825 code?

Yes, a faulty seat control module can disrupt the signal from the recline position sensor, triggering the B1825 code.

7. How can I fix the B1825 code?

Repairs may involve replacing the driver seat recline position sensor, repairing damaged wiring, or reprogramming or replacing the seat control module.

8. What tools are needed to fix a B1825 code?

You’ll need an OBDII scanner, a multimeter, and basic tools for accessing and repairing the seat sensor or wiring.

9. How much does it cost to fix a B1825 code on a 2014 GMC Sierra?

The repair cost can vary, with sensor replacements typically costing $100-$300, excluding labor, while wiring repairs may be less expensive.

10. Can a B1825 code cause airbag issues?

Yes, the seat position sensor is linked to airbag deployment settings, so a malfunction could affect proper airbag operation.

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