P0C7E 2018 GMC Sierra Code - Hybrid/EV Battery Temperature Sensor 7 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
- P0C7E 2018 GMC Sierra indicates Hybrid/EV Battery Temperature Sensor 7 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 P0C7E 2018 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 greater than 160°C (320°F).
What are the Possible Causes of the DTC P0C7E 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 P0C7E 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 P0C7E 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 P0C7E 2018 GMC Sierra code?
Need more information on how to fix the P0C7E 2018 GMC Sierra code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the P0C7E 2018 GMC Sierra code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about P0C7E 2018 GMC Sierra Code
What does the OBDII code P0C7E mean on a 2018 GMC Sierra?
The P0C7E code indicates a "Hybrid/EV Battery Temperature Sensor 7 Circuit Low Voltage," meaning the vehicle's system has detected a low voltage signal from the battery temperature sensor 7.
What are the symptoms of the P0C7E code in a 2018 GMC Sierra?
Symptoms may include a check engine light, reduced hybrid or EV performance, decreased fuel efficiency, and possible issues with battery temperature regulation.
What causes the P0C7E code to appear?
Common causes include a faulty battery temperature sensor, damaged or corroded wiring, poor electrical connections, or a malfunction in the hybrid battery control module.
Can I drive my 2018 GMC Sierra with the P0C7E code?
While the vehicle may still be drivable, ignoring the code can lead to further issues with the hybrid battery system, including potential overheating or reduced performance.
How do I diagnose the P0C7E code?
Diagnosis typically involves using an OBDII scanner to confirm the code, inspecting the battery temperature sensor and related wiring for damage, and testing the sensor’s voltage and resistance.
How much does it cost to fix the P0C7E code?
Repair costs can vary but may range from $100 to $500 depending on whether the issue is with the sensor, wiring, or the control module.
Can a faulty battery temperature sensor damage the hybrid battery?
Yes, a malfunctioning temperature sensor can prevent proper battery temperature regulation, potentially leading to overheating and reduced battery lifespan.
How can I prevent the P0C7E code from reoccurring?
Regular maintenance, including inspections of the hybrid battery system and wiring, can help prevent this code from reoccurring.
Is the P0C7E code common in hybrid or EV vehicles?
While not extremely common, this code can occur in hybrid or EV vehicles with temperature sensors in their battery systems, especially as components age.
Do I need special tools to fix the P0C7E code?
You may need an OBDII scanner to read and clear the code, as well as a multimeter to test voltage and resistance in the sensor circuit.
Discuss the causes and fixes for P0C7E 2018 GMC Sierra OBDII Code
Code P0C7E 2018 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.
