P0BC5 2017 GMC Sierra Code - Hybrid/EV Battery Temperature Sensor 5 Circuit High 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
- P0BC5 2017 GMC Sierra indicates Hybrid/EV Battery Temperature Sensor 5 Circuit High 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 P0BC5 2017 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 hybrid battery temperature sensor is less than -69°C (-92°F).
What are the Possible Causes of the DTC P0BC5 2017 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 P0BC5 2017 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 P0BC5 2017 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 P0BC5 2017 GMC Sierra code?
Need more information on how to fix the P0BC5 2017 GMC Sierra code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the P0BC5 2017 GMC Sierra code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about P0BC5 2017 GMC Sierra Code
1. What does the OBDII code P0BC5 mean on a 2017 GMC Sierra?
The P0BC5 code indicates an issue with the Hybrid/EV Battery Temperature Sensor 5 Circuit, specifically a high voltage reading outside the normal range.
2. What are the common symptoms of the P0BC5 code?
Symptoms may include an illuminated check engine light, reduced hybrid/EV system performance, limited driving range, or the vehicle entering limp mode.
3. What can cause the P0BC5 code to appear?
Common causes include a faulty battery temperature sensor, damaged wiring or connectors, a high-resistance connection, or issues with the hybrid battery control module.
4. Can I still drive my 2017 GMC Sierra with a P0BC5 code?
While the vehicle may still drive, it is not recommended to continue driving for long periods, as the hybrid system may not function properly, potentially causing further damage.
5. How do I diagnose the P0BC5 code?
Diagnosis involves checking the battery temperature sensor’s wiring and connectors for damage, testing the sensor for proper operation, and inspecting the hybrid control module for faults.
6. How is the P0BC5 code repaired?
Repairs may include replacing the faulty temperature sensor, repairing or replacing damaged wiring or connectors, or reprogramming or replacing the hybrid control module.
7. How much does it cost to fix the P0BC5 code?
Repair costs vary but typically range from $100 to $300 for sensor replacement and up to $1,000 or more if the hybrid battery control module needs to be replaced.
8. Can a P0BC5 code be caused by extreme weather conditions?
Yes, extreme temperatures can affect the battery temperature sensor or cause abnormal readings, potentially triggering the code.
9. Will clearing the P0BC5 code with a scan tool fix the problem?
Clearing the code may turn off the check engine light temporarily, but the underlying issue must be resolved to prevent the code from returning.
10. Is the P0BC5 code covered under warranty for a 2017 GMC Sierra?
It may be covered under the hybrid/EV system warranty if the vehicle is still within the coverage period. Check with your dealership for details.
Discuss the causes and fixes for P0BC5 2017 GMC Sierra OBDII Code
Code P0BC5 2017 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.
