P0BC4 GMC Code - Hybrid/EV Battery Temperature Sensor 5 Circuit Low Voltage
Quick Answer
Hybrid/EV Battery Temperature Sensors are used to monitor the battery temperature. Common causes include Faulty Hybrid/EV Battery Assembly, Hybrid/EV Battery Assembly harness is open or shorted, Hybrid/EV Battery Assembly 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
- P0BC4 GMC indicates Hybrid/EV Battery Temperature Sensor 5 Circuit Low Voltage.
- Common causes
- Common causes include Faulty Hybrid/EV Battery Assembly, Hybrid/EV Battery Assembly harness is open or shorted, Hybrid/EV Battery Assembly 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 P0BC4 GMC Description
Each Hybrid/EV Battery Interface Control Module communicates the temperature sensor values to the Hybrid/EV Powertrain Control Module via serial data.
The Hybrid/EV Powertrain Control Module uses the battery temperature sensors to determine the Hybrid/EV Battery Module temperature in order to control the battery cooling system operation.
The Diagnostic Trouble Code (DTC) will be set when the hybrid battery temperature sensor is greater than 160°C (320°F).
What are the Possible Causes of the DTC P0BC4 GMC?
- Faulty Hybrid/EV Battery Assembly
- Hybrid/EV Battery Assembly harness is open or shorted
- Hybrid/EV Battery Assembly circuit poor electrical connection
- Faulty Hybrid/EV Battery Interface Control Module
How to Fix the DTC P0BC4 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 P0BC4 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 P0BC4 GMC code?
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Need Help with the Code?
Get the P0BC4 GMC code diagnosed by a professional: Find a repair shop in your area
Information for Specific GMC Models
- P0BC4 2014 GMC Sierra — Hybrid/EV Battery Temperature Sensor 5 Circuit Low Voltage
- P0BC4 2015 GMC Sierra — Hybrid/EV Battery Temperature Sensor 5 Circuit Low Voltage
- P0BC4 2016 GMC Sierra — Hybrid/EV Battery Temperature Sensor 5 Circuit Low Voltage
- P0BC4 2017 GMC Sierra — Hybrid/EV Battery Temperature Sensor 5 Circuit Low Voltage
- P0BC4 2018 GMC Sierra — Hybrid/EV Battery Temperature Sensor 5 Circuit Low Voltage
Frequently Asked Questions about P0BC4 GMC Code
1. What are common symptoms of OBDII code P0BC4 GMC?
- Common symptoms include poor fuel efficiency, loss of power, and potentially the illumination of the check engine light.
2. What does the OBDII code P0BC4 GMC indicate?
- The code indicates an issue with Hybrid/EV Battery Temperature Sensor 5 Circuit Low Voltage in a GMC vehicle.
3. What are possible causes of the Hybrid/EV Battery Temperature Sensor 5 Circuit Low Voltage code?
- Possible causes include a faulty temperature sensor, wiring issues, a weak battery, or problems with the battery temperature sensor circuit.
4. How can I diagnose the cause of OBDII code P0BC4 GMC?
- Diagnosis typically involves inspecting the battery temperature sensor, checking the wiring for any damage, and testing the sensor circuit for proper voltage.
5. Can I continue driving my GMC with the P0BC4 code?
- It is not recommended to continue driving with this code as it can lead to further damage to the hybrid/EV system. It's best to address the issue promptly.
6. What should I do if the check engine light comes on with code P0BC4 GMC?
- It's recommended to have the vehicle inspected by a qualified technician to diagnose and repair the issue related to the Hybrid/EV Battery Temperature Sensor 5 Circuit Low Voltage.
7. Is it possible to reset the OBDII code P0BC4 GMC on my own?
- While you can clear the code using an OBDII scanner, it's important to address the underlying issue causing the code to prevent it from reoccurring.
8. How much does it typically cost to repair OBDII code P0BC4 GMC?
- The cost of repair can vary depending on the exact cause of the issue, but it may involve replacing the temperature sensor, repairing wiring, or addressing other related components.
9. Are there any maintenance tips to prevent OBDII code P0BC4 in a GMC vehicle?
- Regularly checking the hybrid/EV system components for signs of wear or damage, as well as maintaining the vehicle's battery health, can help prevent issues leading to this code.
10. Can a DIY enthusiast with automotive knowledge repair OBDII code P0BC4 GMC?
- While some aspects of the repair may be within reach of a knowledgeable DIY enthusiast, it's generally recommended to have a professional technician handle diagnosis and repair of hybrid/EV system issues to ensure proper functioning.
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