P06B1 2016 Chevrolet Silverado Code - Sensor Supply Voltage Circuit Low 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
- P06B1 2016 Chevrolet Silverado indicates Sensor Supply Voltage Circuit Low 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 P06B1 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 less than 8.8 V for 1 second.
What are the Possible Causes of the DTC P06B1 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 P06B1 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 P06B1 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 P06B1 2016 Chevrolet Silverado Code
What does the OBDII code P06B1 mean for a 2016 Chevrolet Silverado?
The code P06B1 indicates a "Sensor Supply Voltage Circuit Low Voltage," meaning the power supply to certain sensors is below the expected range.
What are the common symptoms of code P06B1 in a 2016 Chevrolet Silverado?
Common symptoms include the Check Engine Light turning on, reduced engine performance, erratic sensor readings, and possible activation of limp mode.
What causes the P06B1 code in a 2016 Chevrolet Silverado?
Causes may include a faulty Engine Control Module (ECM), damaged wiring or connectors in the sensor supply circuit, or a failing sensor drawing excessive current.
Can I drive my 2016 Chevrolet Silverado with the P06B1 code?
It is not recommended to drive with this code as it can affect engine performance and potentially lead to further damage if the issue is not resolved.
How is the P06B1 code diagnosed in a 2016 Chevrolet Silverado?
Technicians typically use a scan tool to confirm the code, inspect the wiring and connectors in the sensor supply voltage circuit, and test the sensors and ECM for proper operation.
What repairs can fix the P06B1 code on a 2016 Chevrolet Silverado?
Repairs may involve fixing or replacing damaged wiring, cleaning or reconnecting loose connectors, replacing a faulty sensor, or in rare cases, replacing the ECM.
How much does it cost to repair the P06B1 code on a 2016 Chevrolet Silverado?
The cost depends on the root cause, ranging from $50-$150 for minor wiring repairs to $500+ if the ECM needs replacement.
Can a weak battery cause the P06B1 code in a 2016 Chevrolet Silverado?
Yes, a weak or failing battery can cause low voltage issues, potentially triggering the P06B1 code. Ensure the battery and charging system are in good condition.
How can I prevent the P06B1 code from appearing again in my 2016 Chevrolet Silverado?
Regularly inspect and maintain the vehicle’s electrical system, including wiring, connectors, and sensors, and address any Check Engine Light promptly.
Do I need to clear the P06B1 code after repairs on a 2016 Chevrolet Silverado?
Yes, after completing repairs, clear the code with a scan tool and test drive the vehicle to ensure the issue is resolved.
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