AutoCodes – GMC – P0B10 GMC

P0B10 GMC Code - Hybrid/EV Battery High Resolution Current Sensor Circuit Low Voltage

Quick Answer

The hybrid/EV battery current sensor is mounted inside the hybrid/EV battery pack. Common causes include Faulty Battery Energy Control Module, Battery Energy Control Module harness is open or shorted, Battery Energy 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
P0B10 GMC indicates Hybrid/EV Battery High Resolution Current Sensor Circuit Low Voltage.
Common causes
Common causes include Faulty Battery Energy Control Module, Battery Energy Control Module harness is open or shorted, Battery Energy 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.
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Code Popularity 838
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Apr 24, 2020
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Code P0B10 GMC Description

The hybrid/EV battery current sensor is mounted inside the hybrid/EV battery pack. The positive high voltage cable that goes to the positive contactor relay passes through the hybrid/EV battery pack current sensor. The hybrid/EV battery pack current sensor detects the amperage that flows in and out of the hybrid/EV batteries. The battery energy control module supplies and monitors a 5 V reference signal to the hybrid/EV battery pack current sensor. The hybrid/EV battery pack current sensor returns a signal between 0 and 5 V to the battery energy control module. The hybrid/EV battery pack current sensor signal is in proportion to the amperage going in and out of the hybrid/EV battery pack. A signal voltage of the hybrid/EV battery pack current sensor greater than 2.5 V indicates that the hybrid/EV battery is being charged and a signal voltage less than 2.5 V indicates discharging. The hybrid/EV battery pack current sensor has 2 measurement ranges in order to maintain accuracy. The ranges are low resolution and high resolution. The measurement ranges of the hybrid/EV battery pack current sensor have some overlap with each other. The high resolution measures from -23 to +23 A. The low resolution measures from -470 to +280 A.
OBDII Code P0B10 GMC - Hybrid/EV Battery High Resolution Current Sensor Circuit Low Voltage - AutoCodes.com
P0B10 GMC Code - Hybrid/EV Battery High Resolution Current Sensor Circuit Low Voltage

What are the Possible Causes of the DTC P0B10 GMC?

  • Faulty Battery Energy Control Module
  • Battery Energy Control Module harness is open or shorted
  • Battery Energy Control Module circuit poor electrical connection

How to Fix the DTC P0B10 GMC?

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 P0B10 GMC 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 P0B10 GMC code?

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Need Help with the Code?

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P0B10 GMC Code

1. What are the common symptoms of OBDII code P0B10 in a GMC Hybrid/EV vehicle?

- Common symptoms include poor fuel efficiency, reduced power, and the hybrid system not functioning properly.

2. What can cause the Hybrid/EV Battery High Resolution Current Sensor Circuit Low Voltage code (P0B10) in a GMC vehicle?

- Possible causes include a faulty current sensor, damaged wiring or connectors, or issues with the hybrid battery itself.

3. How can I diagnose the Hybrid/EV Battery High Resolution Current Sensor Circuit Low Voltage code in my GMC Hybrid/EV vehicle?

- Diagnosis involves using a scan tool to read the OBDII code, checking the current sensor and its circuit for faults, and inspecting the hybrid battery system.

4. What are the repair options for addressing OBDII code P0B10 in a GMC Hybrid/EV vehicle?

- Repairs may involve replacing the current sensor, repairing damaged wiring or connectors, or addressing any issues with the hybrid battery as needed.

5. Can I continue driving my GMC Hybrid/EV vehicle with the P0B10 code present?

- It is not recommended to continue driving with this code present, as it can lead to further damage to the hybrid system and potentially cause safety issues.

6. How much does it typically cost to repair OBDII code P0B10 in a GMC Hybrid/EV vehicle?

- Repair costs can vary depending on the specific issue, but it is advisable to consult with a certified technician for an accurate estimate.

7. Are there any preventative maintenance tips to avoid OBDII code P0B10 in a GMC Hybrid/EV vehicle?

- Regularly maintaining the hybrid system, checking for any abnormal symptoms, and addressing issues promptly can help prevent this code from occurring.

8. Can a DIY enthusiast fix the Hybrid/EV Battery High Resolution Current Sensor Circuit Low Voltage code in a GMC vehicle?

- While some basic diagnostics and repairs can be done by experienced DIY enthusiasts, addressing this code often requires specialized knowledge and tools best left to professionals.

9. How long does it typically take to repair the Hybrid/EV Battery High Resolution Current Sensor Circuit Low Voltage code in a GMC Hybrid/EV vehicle?

- Repair times can vary based on the specific issue and availability of parts, so it's best to consult with a mechanic for an accurate timeframe.

10. Is the Hybrid/EV Battery High Resolution Current Sensor Circuit Low Voltage code common in GMC Hybrid/EV vehicles?

- While not among the most common OBDII codes, it can occur in GMC Hybrid/EV vehicles experiencing issues with the hybrid system.

Discuss the causes and fixes for P0B10 GMC OBDII Code

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