AutoCodes – GMC – B2115 GMC

B2115 GMC Code - Power Seat Position Sensor Voltage

Quick Answer

The Power Seat Position Sensor that sets this Diagnostic Trouble Code (DTC) is either attached to the seat directional motor drive cable or directly to the motor it monitors. Common causes include Faulty Power Seat Position Sensor, Power Seat Position Sensor harness is open or shorted, Power Seat Position Sensor 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
B2115 GMC indicates Power Seat Position Sensor Voltage.
Common causes
Common causes include Faulty Power Seat Position Sensor, Power Seat Position Sensor harness is open or shorted, Power Seat Position Sensor 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 661
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Sep 17, 2019
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Code B2115 GMC Description

The Power Seat Position Sensor that sets this Diagnostic Trouble Code (DTC) is either attached to the seat directional motor drive cable or directly to the motor it monitors. It receives a 5 V reference and ground from the Memory Seat Module (MSM). The sensor sends a voltage signal that varies with the movement of the seat through the signal circuit to the MSM. Then based on this voltage signal, the MSM determines the position of the seat. If the MSM sees the analog input from this sensor as either lower than 0.25 V or higher than 4.75 V, the sensor will be considered out of range and the MSM will set this DTC.
OBDII Code B2115 GMC - Power Seat Position Sensor Voltage - AutoCodes.com
B2115 GMC Code - Power Seat Position Sensor Voltage

What are the Possible Causes of the DTC B2115 GMC?

  • Faulty Power Seat Position Sensor
  • Power Seat Position Sensor harness is open or shorted
  • Power Seat Position Sensor circuit poor electrical connection
  • Faulty Memory Seat Module (MSM)

How to Fix the DTC B2115 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.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the B2115 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.

Need more information about the B2115 GMC code?

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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 B2115 GMC Code

1. What are common symptoms of OBDII code B2115 for GMC related to the power seat position sensor voltage?

The common symptoms include erratic power seat movement, inability to adjust the seat position, and triggering of the seat position warning light on the dashboard.

2. What are the possible causes of OBDII code B2115 GMC related to the power seat position sensor voltage?

Potential causes may include a faulty power seat position sensor, damaged wiring or connectors in the seat assembly, or a malfunctioning seat control module.

3. How can I diagnose the issue causing OBDII code B2115 GMC for the power seat position sensor voltage?

You can diagnose the problem by performing a visual inspection of the seat wiring and connectors, testing the power seat position sensor for proper voltage output, and using a diagnostic scanner to retrieve specific error codes.

4. Can I repair OBDII code B2115 GMC related to the power seat position sensor voltage myself?

If you have experience working with automotive electrical systems, you may be able to repair the issue yourself by replacing the faulty power seat position sensor, repairing damaged wiring, or resetting the seat control module.

5. Is it safe to drive my GMC with OBDII code B2115 related to the power seat position sensor voltage?

It is generally safe to drive your vehicle with this code, but you may experience discomfort due to the inability to adjust the power seat position. However, it is recommended to address the issue promptly to ensure proper functionality of the power seat.

6. How much does it typically cost to repair OBDII code B2115 GMC for the power seat position sensor voltage?

The cost of repair can vary depending on the specific cause of the issue. Replacing a power seat position sensor or repairing wiring may cost a few hundred dollars, while addressing a faulty control module could be more expensive.

7. Can resetting the power seat position memory help resolve OBDII code B2115 GMC related to the power seat position sensor voltage?

Resetting the power seat position memory may temporarily resolve the issue, but if the underlying cause is a faulty sensor or wiring, the code is likely to reappear. It's best to diagnose and address the root cause of the problem.

8. Will disconnecting the battery reset OBDII code B2115 GMC for the power seat position sensor voltage?

Disconnecting the battery may reset the code temporarily, but if the underlying issue is not addressed, the code is likely to return once the system detects the fault again. It's recommended to diagnose and repair the problem to prevent recurrence.

9. Can extreme temperatures affect the power seat position sensor voltage and trigger OBDII code B2115 in a GMC?

Extreme temperatures can potentially affect the performance of electronic components in the power seat assembly, including the sensor. It's important to keep the vehicle in a moderate temperature range to prevent sensor malfunctions.

10. Is it necessary to recalibrate the power seat position sensor after repairing OBDII code B2115 GMC for the power seat position sensor voltage?

After repairing the issue causing the code, it may be necessary to recalibrate the power seat position sensor to ensure accurate seat adjustment functionality. Refer to your vehicle's manual or seek professional assistance for proper recalibration procedures.

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