AutoCodes – GMC – P0C36 2018 GMC Sierra

P0C36 2018 GMC Sierra Code - Hybrid/EV Battery Temperature Sensor 6 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: P0C36 2018 GMC Sierra indicates Hybrid/EV Battery Temperature Sensor 6 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.

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Code Popularity 301

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Mar 22, 2024

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P0C36 2018 GMC Sierra Description

Hybrid/EV Battery Temperature Sensors are used to monitor the battery temperature. The non-serviceable battery temperature sensors are located within the battery sections. Two temperature sensors are located in each battery section. The temperature sensor is a variable resistor that measures the temperature of the battery cell group. The hybrid/EV interface control module supplies 5 V to the signal circuit and is a ground for the low reference circuit. The battery temperature sensor resistance changes with battery temperature. As the temperature decreases, the sensor resistance increases. As the temperature increases, the sensor resistance decreases.
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).

OBDII Code P0C36 2018 GMC Sierra - Hybrid/EV Battery Temperature Sensor 6 Circuit High Voltage - AutoCodes.com — P0C36 2018 GMC Sierra Code - Hybrid/EV Battery Temperature Sensor 6 Circuit High Voltage

What does this mean?

What are the Possible Causes of the DTC P0C36 2018 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 P0C36 2018 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 P0C36 2018 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 P0C36 2018 GMC Sierra code?

Need more information on how to fix the P0C36 2018 GMC Sierra code? Get Access to Factory Service Manuals

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 P0C36 2018 GMC Sierra Code

1. What does the OBDII code P0C36 mean on a 2018 GMC Sierra?

The P0C36 code indicates that the Hybrid/EV Battery Temperature Sensor 6 is detecting a high voltage condition, which could suggest an issue with the sensor, circuit, or related components.

2. What are the common symptoms of the P0C36 code in a 2018 GMC Sierra?

Common symptoms include an illuminated check engine light, reduced hybrid system performance, overheating warnings, or limited electric vehicle (EV) mode functionality.

3. What causes the P0C36 code to appear?

The P0C36 code may be caused by a faulty battery temperature sensor, damaged wiring or connectors in the circuit, a short to voltage, or issues with the battery control module.

4. How can I diagnose the P0C36 code on my GMC Sierra?

Start by using a scan tool to confirm the code, inspect the battery temperature sensor and its wiring for damage, and check for short circuits, loose connections, or corrosion.

5. Can I drive my 2018 GMC Sierra with the P0C36 code?

It is not recommended to drive the vehicle for an extended period, as this issue can lead to battery overheating or reduced hybrid performance, potentially causing further damage.

6. How do I fix the P0C36 code on a 2018 GMC Sierra?

Repairs might include replacing the faulty battery temperature sensor, repairing or replacing damaged wiring or connectors, and recalibrating or updating the battery control module if necessary.

7. Is the P0C36 code specific to sensor 6 on the battery?

Yes, this code specifically refers to Battery Temperature Sensor 6, which monitors the temperature in a specific area of the hybrid/EV battery pack.

8. How much does it cost to repair a P0C36 code on a GMC Sierra?

Repair costs can vary but typically range between $150 and $500, depending on whether the issue is with the sensor, wiring, or control module.

9. Can a P0C36 code cause long-term damage to my GMC Sierra?

If left unresolved, the issue can lead to battery overheating, decreased performance, or premature battery wear, potentially resulting in expensive repairs.

10. Do I need special tools to fix the P0C36 code?

Yes, diagnosing and repairing this code often requires a professional-grade scan tool and knowledge of hybrid/EV systems to safely work on high-voltage components.