P06B2 2016 Chevrolet Silverado 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 2016 Chevrolet Silverado 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 2016 Chevrolet Silverado 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 2016 Chevrolet Silverado?
- 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 2016 Chevrolet Silverado?
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 2016 Chevrolet Silverado 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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Frequently Asked Questions about P06B2 2016 Chevrolet Silverado Code
1. What does the OBD-II code P06B2 mean on a 2016 Chevrolet Silverado?
P06B2 indicates a Sensor Supply Voltage Circuit High Voltage issue, meaning the power supply to certain sensors is reading higher than expected.
2. What are the common symptoms of the P06B2 code on a 2016 Chevrolet Silverado?
Symptoms may include the check engine light turning on, poor engine performance, erratic sensor readings, or reduced fuel efficiency.
3. What causes the P06B2 code on a 2016 Chevrolet Silverado?
The code can be caused by a malfunctioning powertrain control module (PCM), damaged wiring, a faulty sensor, or a short circuit in the sensor supply voltage circuit.
4. Can I continue driving my 2016 Chevrolet Silverado with a P06B2 code?
While the vehicle may still drive, it’s not recommended to ignore this code as it can lead to further damage or unsafe driving conditions.
5. How do I diagnose the P06B2 code on my 2016 Chevrolet Silverado?
Check for damaged or corroded wiring, inspect the affected sensors, and use a multimeter to test the voltage in the sensor supply circuit.
6. How do I fix the P06B2 code on a 2016 Chevrolet Silverado?
Repairs may include fixing or replacing damaged wiring, replacing a faulty sensor, or reprogramming or replacing the PCM if necessary.
7. Can a loose connection cause the P06B2 code on a 2016 Chevrolet Silverado?
Yes, a loose or corroded connection in the sensor supply voltage circuit can trigger this code.
8. How much does it cost to fix the P06B2 code on a 2016 Chevrolet Silverado?
Repair costs vary but typically range from $150 to $500, depending on whether the issue is with wiring, sensors, or the PCM.
9. Do I need a professional mechanic to fix the P06B2 code on my 2016 Chevrolet Silverado?
If you’re experienced with electrical diagnostics and repairs, you may be able to fix it yourself. However, a professional mechanic is recommended for more complex issues.
10. Can a bad battery or alternator cause the P06B2 code on a 2016 Chevrolet Silverado?
Yes, a faulty battery or alternator can cause voltage irregularities that may trigger this code.
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