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Engine-Codes – GMC – B1825 2018 GMC Sierra

B1825 2018 GMC Sierra Code - Driver Seat Recline Position Sensor Circuit

Quick Answer

The B1825 diagnostic trouble code (DTC) for a 2018 GMC Sierra relates to the driver seat recline position sensor circuit. Common causes include Faulty driver seat recline position sensor, Damaged wiring or connectors in the sensor circuit, Corrosion or moisture in the sensor circuit. 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 2018 GMC Sierra indicates Driver Seat Recline Position Sensor Circuit.
Common causes
Common causes include Faulty driver seat recline position sensor, Damaged wiring or connectors in the sensor circuit, Corrosion or moisture in the sensor circuit.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 19, 2024
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Code B1825 2018 GMC Sierra Description

The B1825 diagnostic trouble code (DTC) for a 2018 GMC Sierra relates to the driver seat recline position sensor circuit. This code indicates that there is a malfunction in the sensor circuit responsible for detecting the position of the driver's seat recline. The sensor is designed to provide feedback to the vehicle's computer system, allowing it to adjust the seat position accordingly. When this circuit malfunctions, it can lead to inaccurate seat adjustments or even complete failure of the recline function.

OBDII Code B1825 2018 GMC Sierra - Driver Seat Recline Position Sensor Circuit
B1825 2018 GMC Sierra Code - Driver Seat Recline Position Sensor Circuit

Common Causes of B1825 2018 GMC Sierra

  1. Faulty driver seat recline position sensor.
  2. Damaged wiring or connectors in the sensor circuit.
  3. Corrosion or moisture in the sensor circuit.
  4. Issues with the vehicle's computer system affecting the sensor circuit.

Symptoms of B1825 2018 GMC Sierra

  1. Inability to adjust the driver's seat recline position.
  2. Incorrect seat recline position displayed on the dashboard.
  3. Seat automatically adjusting to an incorrect position.
  4. Warning light illuminated on the dashboard indicating a seat sensor issue.

How to Fix B1825 2018 GMC Sierra

  1. Begin by diagnosing the specific cause of the issue using a diagnostic scanner to retrieve the fault codes.
  2. Inspect the wiring and connectors in the sensor circuit for any damage or corrosion. Repair or replace as necessary.
  3. Test the driver seat recline position sensor for proper functionality. Replace the sensor if it is found to be faulty.
  4. Clear the DTC from the vehicle's computer system using the diagnostic scanner.
  5. Test the seat recline function to ensure that the issue has been resolved.

Cost to Fix B1825 2018 GMC Sierra

The typical repair costs for addressing a B1825 code related to the driver seat recline position sensor circuit in a 2018 GMC Sierra can range from $150 to $400, depending on the specific cause of the issue and the cost of parts and labor. It's important to note that diagnosis time and labor rates at auto repair shops can vary, so it's advisable to check with local shops for a more accurate estimate.

What does this mean?

Tech Notes for B1825 2018 GMC Sierra

B1825:01 Driver Seat Recline Position Sensor Circuit Short to Battery

B1825:02 Driver Seat Recline Position Sensor Circuit Short to Ground

B1825:06 Driver Seat Recline Position Sensor Circuit Low Voltage/Open

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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 2018 GMC Sierra Code

1. What are the common symptoms of an OBDII code B1825 in a 2018 GMC Sierra related to the Driver Seat Recline Position Sensor Circuit?

The common symptoms include issues with adjusting the recline position of the driver's seat, erratic seat movements, or a non-functional recline feature.

2. What are the possible causes of the OBDII code B1825 in a 2018 GMC Sierra?

The code B1825 typically indicates a malfunction in the driver seat recline position sensor circuit, which can be caused by wiring issues, a faulty sensor, or a problem with the seat control module.

3. How can I diagnose the OBDII code B1825 in my 2018 GMC Sierra if I experience seat adjustment issues?

You can start by checking the wiring connections related to the driver seat recline position sensor, inspecting the sensor for any damage, and using a diagnostic scan tool to identify the specific cause of the issue.

4. Is it safe to continue driving my 2018 GMC Sierra with an active B1825 fault code?

While the vehicle may still be operable, it is recommended to address the issue promptly to ensure the proper functioning of the driver's seat recline feature and to prevent further damage to the seat control system.

5. Can I repair the B1825 OBDII code in my 2018 GMC Sierra myself, or should I seek professional assistance?

Depending on your experience with automotive repairs and diagnostic tools, you may be able to address the issue yourself by following the manufacturer's repair guidelines. However, seeking professional assistance from a certified mechanic is advisable for a thorough diagnosis and proper repair.

6. Are there any temporary fixes or workarounds for the B1825 code in a 2018 GMC Sierra?

Temporary fixes are not recommended for OBDII codes like B1825, as they indicate a malfunction that requires proper diagnosis and repair to ensure the safe operation of the vehicle.

7. How much does it typically cost to repair the B1825 code related to the Driver Seat Recline Position Sensor Circuit in a 2018 GMC Sierra?

The cost of repairing the B1825 code can vary depending on the underlying cause of the issue, the extent of the damage, and whether you choose to address it yourself or seek professional help. It's best to obtain quotes from mechanics or repair shops for an accurate estimate.

8. Can a faulty driver seat recline position sensor cause other issues in my 2018 GMC Sierra?

While the primary symptom of a faulty sensor is related to the driver's seat recline function, it's essential to address the issue promptly to prevent any potential electrical problems or safety concerns associated with the malfunctioning sensor.

9. Will resetting the OBDII system clear the B1825 fault code in my 2018 GMC Sierra?

Resetting the OBDII system may temporarily clear the fault code, but if the underlying issue causing the B1825 code is not addressed, the code is likely to reappear once the problem resurfaces. It's crucial to diagnose and repair the root cause of the code for a permanent solution.

10. How long does it typically take to repair the B1825 OBDII code related to the Driver Seat Recline Position Sensor Circuit in a 2018 GMC Sierra?

The repair time can vary depending on the complexity of the issue, the availability of replacement parts, and whether you choose to perform the repair yourself or have it done by a professional. Simple repairs may take a few hours, while more involved fixes could require a day or more.

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