P0DE7
Hybrid/EV Battery Pack Cell Voltage High
The BMS detects at least one cell with voltage above the safe upper limit. Risk of cell damage from overcharge.
The BMS detects at least one cell with voltage above the safe upper limit. Risk of cell damage from overcharge.
Common causes
- high
Cell balancing failed - cell overcharged
One of the most commonly reported causes for this code — check this first.
Typical part cost: $880-6600
- medium
Cell with reduced capacity reaches voltage limit early
A plausible cause — test and verify before replacing parts.
Typical part cost: $880-6600
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First things to check
- 1Confirm the code with a scan tool and check for additional related codes.
- 2Inspect the relevant sensors, wiring, and connectors for damage or corrosion.
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Related codes
See related trouble codes
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Frequently asked questions
What does P0DE7 mean?
P0DE7 means "Hybrid/EV Battery Pack Cell Voltage High". It is a generic OBD-II code that points to a fault in the hybrid / ev powertrain.
What are the most common causes of P0DE7?
cell balancing failed - cell overcharged; cell with reduced capacity reaches voltage limit early; pack cell imbalance approaching service threshold — these are the most commonly reported causes. Verify with a proper diagnosis before replacing parts, or use the Wrenchify app for a vehicle-specific diagnosis.
Can I keep driving with this code?
This code can put the vehicle into limp or reduced-power mode. Avoid extended driving and have the vehicle diagnosed promptly. Use the Wrenchify app for a full diagnosis specific to your vehicle.
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