P06B2 2014 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 2014 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 2014 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 2014 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 2014 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 2014 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 2014 Chevrolet Silverado Code
1. What does the OBDII code P06B2 mean on a 2014 Chevrolet Silverado?
P06B2 indicates a "Sensor Supply Voltage Circuit High Voltage" issue, meaning the power supply to certain sensors is reading higher voltage than expected.
2. What are the common symptoms of P06B2 on a 2014 Chevrolet Silverado?
Symptoms may include the check engine light turning on, erratic engine performance, poor fuel economy, or issues with sensor-related systems.
3. What causes the P06B2 code to appear on a 2014 Chevrolet Silverado?
Common causes include a faulty powertrain control module (PCM), wiring issues such as shorts or open circuits, a defective sensor, or a bad ground connection.
4. How do you diagnose the P06B2 code on a 2014 Chevrolet Silverado?
Diagnosis involves scanning for additional codes, visually inspecting wiring and connectors, testing the sensor supply voltage with a multimeter, and checking the PCM for faults.
5. Can you drive a 2014 Chevrolet Silverado with the P06B2 code?
Driving with the P06B2 code is not recommended as it can lead to further sensor or engine control issues, potentially causing reduced performance or damage.
6. How do you fix the P06B2 code on a 2014 Chevrolet Silverado?
Repairs may include repairing or replacing damaged wiring, replacing a faulty sensor, cleaning or tightening ground connections, or reprogramming/replacing the PCM.
7. How much does it cost to repair the P06B2 code on a 2014 Chevrolet Silverado?
Repair costs can vary depending on the root cause, ranging from $50 for minor wiring repairs to $500 or more for PCM replacement.
8. Can a bad battery cause the P06B2 code on a 2014 Chevrolet Silverado?
Yes, a weak or failing battery or alternator can cause voltage irregularities that may trigger the P06B2 code.
9. What tools are needed to troubleshoot the P06B2 code on a 2014 Chevrolet Silverado?
You’ll need an OBDII scanner, a digital multimeter, and basic hand tools for inspecting and testing electrical connections.
10. Does the P06B2 code require reprogramming the PCM on a 2014 Chevrolet Silverado?
Reprogramming the PCM is not always required, but it may be necessary if the issue is due to a PCM fault or after replacing the PCM.
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