Pro · Four-system diagnostics
FOXWELL Multi-System Scanner
A handheld scanner aimed at engine, transmission, ABS, and airbag diagnostic work.
Chassis and ABS faults usually need a scanner that can read brake-system data directly.
View on AmazonEasy one-page printout for the garage or repair shop
This summary uses the existing diagnostic information shown in full below.
This code means that the car's computer has detected an issue with the thickness of one of the battery cells in the hybrid or electric vehicle's battery pack. Think of it like a book with pages that are too thick or thin, and the car is checking to make sure all the pages (or battery cells) are just right.
The vehicle's control system monitors the thickness of the battery cells to ensure they are within specified limits. If a cell is too thick or too thin, it can indicate a problem with the battery's health or performance.
The P2E6C code is triggered when the battery management system (BMS) detects that the cell thickness of the battery pack 'A' is outside the normal range. This can be caused by swelling or contraction of the battery cells, which may affect the performance and safety of the battery pack.
• Reduced driving range
• Warning light on the dashboard
• Possible loss of power
• Battery cell swelling due to overcharging
• Manufacturing defect in the battery cell
• Temperature extremes affecting the battery
Battery Management System (BMS): A system that manages the charging and discharging of the battery pack.
Cell Thickness: The physical thickness of an individual battery cell, which can indicate its health.
• Check for any warning lights on the dashboard.
• Use a diagnostic tool to read the OBD-II code.
• Inspect the battery pack for physical damage or swelling.
• Replace the defective battery cell.
• Recalibrate the battery management system.
• Ensure the battery is not exposed to extreme temperatures.
• OBD-II scanner
• Multimeter
• Battery cell thickness gauge
$500 - $2000
Moderate
• Toyota Prius
• Chevrolet Volt
• Nissan Leaf
• Regular battery maintenance checks
• Avoid overcharging the battery
• Park in shaded areas to avoid temperature extremes
Battery Performance Issue
• Avoid driving the vehicle until the issue is resolved.
• Consult with a certified hybrid/EV technician.
Check with the vehicle manufacturer for battery warranty coverage, as many hybrid/EV batteries have extended warranties.
This code has become more prevalent with the increase in hybrid and electric vehicles, highlighting the importance of battery health monitoring.
High – Battery issues can lead to performance problems and potential safety risks.
Driving with a compromised battery can be dangerous. Ensure repairs are conducted by qualified personnel.
• Vehicle parked in a safe location
• Battery at normal operating temperature
The battery pack is typically located under the vehicle floor or in the rear compartment.
Q: Can I drive with the P2E6C code?
A: It's not recommended to drive with this code. Battery issues can affect vehicle performance and safety.
Q: How often should I check my hybrid/EV battery?
A: Regular maintenance checks are recommended, typically during routine service intervals.
Pro · Four-system diagnostics
A handheld scanner aimed at engine, transmission, ABS, and airbag diagnostic work.
Chassis and ABS faults usually need a scanner that can read brake-system data directly.
View on Amazon
Universal · Torque wrench
Useful when reassembly torque matters for wheel, suspension, and under-hood fasteners.
Useful when wheel, hub, or suspension hardware needs correct reassembly torque.
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Universal · Drive-on ramps
Helpful for safer access underneath the vehicle during exhaust, EVAP, and underbody inspection work.
Helpful for safer access during underbody inspection work.
View on AmazonThese are optional diagnostic tools, not guaranteed fixes. As an Amazon Associate I earn from qualifying purchases.