P0BC3 2015 GMC Sierra Code - Hybrid/EV Battery Temperature Sensor 5 Performance
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
- P0BC3 2015 GMC Sierra indicates Hybrid/EV Battery Temperature Sensor 5 Performance.
- 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 P0BC3 2015 GMC Sierra 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 difference between a single battery temperature sensor and an average of the other battery temperature sensors is greater than 25°C (45°F).
What are the Possible Causes of the DTC P0BC3 2015 GMC Sierra?
- 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 P0BC3 2015 GMC Sierra?
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 P0BC3 2015 GMC Sierra 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 P0BC3 2015 GMC Sierra code?
Need more information on how to fix the P0BC3 2015 GMC Sierra code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the P0BC3 2015 GMC Sierra code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about P0BC3 2015 GMC Sierra Code
1. What does the OBDII code P0BC3 mean on a 2015 GMC Sierra?
The P0BC3 code indicates a performance issue with Hybrid/EV Battery Temperature Sensor 5, meaning it may be malfunctioning or providing incorrect data.
2. What are the symptoms of code P0BC3 in a 2015 GMC Sierra?
Common symptoms include the hybrid system warning light, reduced fuel efficiency, limited hybrid battery performance, or the vehicle entering limp mode.
3. What causes the P0BC3 code to appear in a 2015 GMC Sierra?
The code can be caused by a faulty temperature sensor, damaged wiring or connectors, a software issue in the powertrain control module (PCM), or an overheating hybrid battery.
4. Can I drive my 2015 GMC Sierra with code P0BC3?
It’s not recommended to drive for extended periods, as the code indicates a potential issue with the hybrid battery system that may cause further damage or safety concerns.
5. How is the P0BC3 code diagnosed?
A technician will use a scan tool to check freeze frame data, inspect wiring and connections to the temperature sensor, and test the sensor itself for proper operation.
6. How do you fix the P0BC3 code on a 2015 GMC Sierra?
Repairs may include replacing the faulty battery temperature sensor, repairing damaged wiring, updating PCM software, or addressing any hybrid battery issues.
7. Is the P0BC3 code covered under warranty for a 2015 GMC Sierra?
Depending on the mileage and warranty terms, it may be covered under the hybrid or emissions warranty. Check with your dealer or warranty documentation.
8. How much does it cost to fix the P0BC3 code?
Repair costs can vary, but replacing the sensor typically ranges from $150 to $350, including parts and labor. Additional repairs may increase the cost.
9. What happens if I ignore the P0BC3 code?
Ignoring the code could lead to further damage to the hybrid battery system, reduced performance, and potentially higher repair costs in the future.
10. Can a software update fix the P0BC3 code on a 2015 GMC Sierra?
In some cases, a PCM software update may resolve the issue if the problem is related to software glitches rather than hardware faults.
Discuss the causes and fixes for P0BC3 2015 GMC Sierra OBDII Code
Code P0BC3 2015 GMC Sierra comments
No comments found for this page.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
