P06B2 2014 GMC Sierra Code - Sensor Supply Voltage Circuit High Voltage
Quick Answer
The generator control module, also called the starter/generator control module is comprised of the following three control modules: the hybrid/EV powertrain control module 1, the 14 V power module, and the drive motor control module. Common causes include Faulty Starter/Generator Control Module, Starter/Generator Control Module harness is open or shorted, Starter/Generator Control Module 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
- P06B2 2014 GMC Sierra indicates Sensor Supply Voltage Circuit High Voltage.
- Common causes
- Common causes include Faulty Starter/Generator Control Module, Starter/Generator Control Module harness is open or shorted, Starter/Generator Control Module 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.
Code P06B2 2014 GMC Sierra Description
The drive motor control module uses an internal 15 V reference power supply in order to operate the drive motor sensors and processor. This fault is handled inside the generator control module and no external circuits are involved.
The Diagnostic Trouble Code (DTC) will be set when the reference voltage is greater than 18.6 V for 1 second.
What are the Possible Causes of the DTC P06B2 2014 GMC Sierra?
- Faulty Starter/Generator Control Module
- Starter/Generator Control Module harness is open or shorted
- Starter/Generator Control Module circuit poor electrical connection
- Faulty Engine Control Module (ECM)
How to Fix the DTC P06B2 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.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P06B2 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 P06B2 2014 GMC Sierra code?
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Frequently Asked Questions about P06B2 2014 GMC Sierra Code
1. What are common symptoms of OBDII code P06B2 in a 2014 GMC Sierra?
- Common symptoms include check engine light illumination, poor engine performance, and possible stalling or rough idling.
2. What does the OBDII code P06B2 "Sensor Supply Voltage Circuit High Voltage" indicate in a 2014 GMC Sierra?
- This code indicates that the sensor supply voltage circuit is detecting a higher voltage than normal, potentially causing issues with sensor readings and engine performance.
3. What are possible causes of the P06B2 code in a 2014 GMC Sierra?
- Possible causes include a faulty sensor, damaged wiring or connectors in the sensor circuit, a malfunctioning powertrain control module (PCM), or an electrical issue in the vehicle.
4. How can I diagnose the OBDII code P06B2 in my 2014 GMC Sierra?
- Diagnosing this code typically involves using a scan tool to read the code, checking the sensor and its circuit for faults, inspecting wiring and connectors for damage, and testing the sensor's voltage output.
5. Can I still drive my 2014 GMC Sierra with the P06B2 code present?
- It is not recommended to drive the vehicle with this code present, as it can lead to poor engine performance and potential further damage. It's best to address the issue promptly.
6. Will resetting the check engine light make the P06B2 code go away in a 2014 GMC Sierra?
- Simply resetting the check engine light will not fix the underlying issue causing the P06B2 code. It's important to diagnose and repair the problem to prevent it from reoccurring.
7. How much does it typically cost to repair the P06B2 code in a 2014 GMC Sierra?
- The cost of repairing this code can vary depending on the cause of the issue. Costs may include parts replacement, labor fees, and diagnostic charges, which can range from a few hundred to over a thousand dollars.
8. Can I fix the P06B2 code in my 2014 GMC Sierra myself?
- While some DIY enthusiasts may be able to address simple causes like loose connectors, diagnosing and repairing the P06B2 code often requires advanced automotive knowledge and tools. It's recommended to consult a professional mechanic.
9. Are there any preventive maintenance tips to avoid the P06B2 code in a 2014 GMC Sierra?
- Regular vehicle maintenance, including checking and cleaning sensor connections, inspecting wiring for damage, and addressing any electrical issues promptly, can help prevent the occurrence of the P06B2 code.
10. How urgent is it to address the P06B2 code in a 2014 GMC Sierra?
- It is recommended to address the P06B2 code as soon as possible to prevent potential engine performance issues and further damage. Driving with this code present can lead to more severe problems over time.
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