P1E7B
Hybrid/EV Battery Pack State of Charge Low
Battery · Powertrain
high
What does this code mean?
The battery pack state of charge is below a critical threshold.
This is a generic OBD-II / UDS code — the meaning is standardized across manufacturers.
Possible symptoms
Reduced range
Reduced power
Vehicle does not start
Possible causes
- 1.Deep discharge
- 2.Charging fault
- 3.Weak cell dragging the pack down
- 4.BMS measurement error
These are possible causes — a professional inspection is required to confirm.
Diagnostic procedure & recommended checks
- Attempt a controlled charge
- Check cell voltages at low SOC
- Check SOH
Recommended actions
- Recharge and monitor — professional inspection if it recurs
Can I drive?
Yes, after recharging
When to contact a professional
If the pack will not accept charge.
Related Fix & Solve guides
Diagnostic information is provided for informational purposes and does not replace professional inspection. High-voltage systems must only be serviced by qualified personnel.