AutoCodes – GMC – B1925 GMC

B1925 GMC Code - Driver Seat Cushion Heater Sensor

Quick Answer

The heated seat temperature sensor that set this Diagnostic Trouble Code (DTC) is located in the seat cushion just under the seat cover with the seat heating element. Common causes include Faulty Driver Seat Cushion Heater Replacement, Driver Seat Cushion Heater Replacement harness is open or shorted, Driver Seat Cushion Heater Replacement 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
B1925 GMC indicates Driver Seat Cushion Heater Sensor.
Common causes
Common causes include Faulty Driver Seat Cushion Heater Replacement, Driver Seat Cushion Heater Replacement harness is open or shorted, Driver Seat Cushion Heater Replacement 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 2,582
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Sep 22, 2019
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Code B1925 GMC Description

The heated seat temperature sensor that set this Diagnostic Trouble Code (DTC) is located in the seat cushion just under the seat cover with the seat heating element. The Seat Heating Control Module supplies a 5 V reference voltage through the temperature sensor signal circuit and a ground through the low reference circuit to the sensor. The module monitors the voltage of the sensor signal circuit to determine the temperature of the seat. The temperature sensor varies in resistance based on the temperature of the heating element causing the signal voltage to change. Once the seat reaches the set temperature, the module will then cycle the control circuit of the heating elements ON and OFF in order to maintain the desired seat temperature based on the feedback voltage from the sensor.
OBDII Code B1925 GMC - Driver Seat Cushion Heater Sensor - AutoCodes.com
B1925 GMC Code - Driver Seat Cushion Heater Sensor

What are the Possible Causes of the DTC B1925 GMC?

  • Faulty Driver Seat Cushion Heater Replacement
  • Driver Seat Cushion Heater Replacement harness is open or shorted
  • Driver Seat Cushion Heater Replacement circuit poor electrical connection
  • Faulty Seat Heating Control Module

How to Fix the DTC B1925 GMC?

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 B1925 GMC 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.

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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 B1925 GMC Code

1. What are the common symptoms of OBDII code B1925 for the Driver Seat Cushion Heater Sensor in a GMC vehicle?

The common symptoms include a non-functioning seat heater, illuminated airbag warning light, and potential loss of other seat functions.

2. What are the possible causes of OBDII code B1925 related to the Driver Seat Cushion Heater Sensor in a GMC?

Possible causes include a faulty seat heater sensor, damaged wiring or connectors, or a malfunctioning seat control module.

3. How can I diagnose the issue causing OBDII code B1925 for the Driver Seat Cushion Heater Sensor in my GMC?

You can diagnose the issue by inspecting the seat heater sensor and its wiring for any visible damage, testing electrical connections for continuity, and using a diagnostic scanner to read the specific fault codes stored in the system.

4. Can I repair the Driver Seat Cushion Heater Sensor issue causing OBDII code B1925 in my GMC at home?

Depending on your experience and tools available, you may be able to repair the issue at home by replacing the faulty sensor, repairing damaged wiring, or resetting the seat control module. However, professional assistance may be needed for more complex repairs.

5. Is it safe to drive my GMC with OBDII code B1925 related to the Driver Seat Cushion Heater Sensor?

It is generally safe to drive the vehicle with this code, but you may experience discomfort due to the non-functioning seat heater. However, it is recommended to address the issue promptly to ensure proper functioning of the seat sensors and airbag system.

6. Can resetting the OBDII code B1925 for the Driver Seat Cushion Heater Sensor in my GMC solve the problem?

Resetting the code may temporarily clear the warning light, but it will not fix the underlying issue causing the fault. It is important to diagnose and repair the root cause of the problem to prevent the code from reoccurring.

7. How much does it typically cost to repair the Driver Seat Cushion Heater Sensor issue related to OBDII code B1925 in a GMC?

The cost of repair can vary depending on the specific cause of the issue, parts needed for replacement, and labor charges. It is advisable to obtain quotes from reputable mechanics or dealerships for an accurate estimate.

8. Will fixing the OBDII code B1925 for the Driver Seat Cushion Heater Sensor in my GMC require professional tools or equipment?

Repairing the issue may require specialized tools such as a diagnostic scanner, multimeter, and possibly tools for seat removal. If you are not familiar with automotive repairs, it is recommended to seek professional help to avoid further damage.

9. Can extreme weather conditions impact the Driver Seat Cushion Heater Sensor and trigger OBDII code B1925 in a GMC?

Extreme temperatures or moisture exposure can potentially affect the functionality of the seat heater sensor or its components, leading to the triggering of the OBDII code. Proper maintenance and care can help prevent such issues.

10. Is there a way to prevent OBDII code B1925 related to the Driver Seat Cushion Heater Sensor in a GMC?

Regularly inspecting the seat heater system, avoiding spills or water damage in the vehicle, and following maintenance schedules can help prevent issues that may trigger the OBDII code B1925.

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