BMW 2 Series Drivetrain Error Message
Do you have a BMW 2 Series drivetrain error message?
Don’t ignore it – book a diagnostic today and get expert help.
The following fault code(s) may be present
21F068 High-voltage battery, cell supervision circuit 4: the voltage of at least one cell in the cell block is outside of the target range (bottom)
21F1F6 High-voltage battery, switch contactors: switch-off after a fault
21F112 High-voltage battery unity: switch-off due to undervoltage terminal 30c
21F136 High-voltage battery, cell supervision circuit 4: undervoltage (at least one cell)
Affected Vehicles
BMW 2 Series
- Plug-in Hybrid
Common Failure Symptoms
- Drivetrain error message appears on the dashboard, sometimes alongside a “Don’t turn engine off” warning
- Power steering feels heavier than usual and the transition between hybrid (electric) mode and petrol is not smooth, in fact, it may lurch when switching
- The hybrid EV system switches to petrol drive earlier than expected, or cannot sustain EV mode properly
- High-voltage battery cell voltages are outside of target range; battery pack performance degraded
- Under load the battery pack shows inadequate voltage stability or module imbalance
Do you have a BMW 2 Series drivetrain error message?
Don’t ignore it – book a diagnostic today and get expert help.
BMW 2 Series Diagnostic Report
BMW 2 Series Repairs
Resolution
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Is the vehicle owned by you or your business?
Have you been advised the battery or component needs replacing on your vehicle?
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High Voltage System Repairs
Repairs involving high voltage systems typically include a 12-month, unlimited mileage warranty, offering you complete peace of mind.*
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*Terms and conditions apply. Please consult a Service Advisor to confirm the specific warranty details for your vehicle prior to booking.
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