P06B2 2017 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 2017 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 2017 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 2017 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 2017 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 2017 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 2017 Chevrolet Silverado Code
1. What does the OBDII code P06B2 mean for a 2017 Chevrolet Silverado?
P06B2 indicates that the sensor supply voltage circuit is experiencing high voltage, which may affect the operation of various sensor systems.
2. What are common symptoms of the P06B2 code in a 2017 Chevy Silverado?
Symptoms may include illuminated check engine light, erratic engine performance, poor fuel efficiency, or sensor-related malfunctions.
3. What causes the P06B2 code in a Chevrolet Silverado?
Common causes include a faulty sensor, wiring issues, a malfunctioning engine control module (ECM), or power supply problems.
4. Can a bad wiring connection trigger the P06B2 code?
Yes, damaged, corroded, or loose wiring connections can lead to high voltage in the sensor supply circuit, triggering this code.
5. Is it safe to drive with the P06B2 code active?
Driving with this code is not recommended as it may lead to engine inefficiencies or further damage to the vehicle’s electrical systems.
6. How can the P06B2 code be diagnosed?
Diagnosis typically involves using a scan tool to monitor sensor voltage, inspecting wiring and connectors, and testing the ECM for faults.
7. How do you fix the P06B2 code on a 2017 Chevy Silverado?
Repairs may include replacing faulty sensors, repairing damaged wiring, or replacing the ECM if necessary.
8. Can a failing ECM cause the P06B2 code?
Yes, a failing ECM can cause incorrect voltage regulation, resulting in the P06B2 code.
9. How much does it typically cost to fix the P06B2 code?
Repair costs vary but may range from $100 for wiring repairs to over $1,000 for ECM replacement, depending on the diagnosis.
10. Can a dead battery or charging system issue cause the P06B2 code?
Yes, problems with the battery or alternator can affect voltage levels and potentially trigger this code.
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