We do not have a full sheet for this code yet, with its causes and checks. What you see here comes from the OBD2 code standard.
System
Body (B)
Code type
Manufacturer-specific code: its exact meaning depends on the make.
What do I do now?
If the engine light flashes, the car loses a lot of power, overheats or the brakes fail, stop somewhere safe and call for assistance.
If the car drives normally, book a garage and show them this code: its exact meaning and the cause depend on each model.
Tell us what you notice: the diagnosis takes the code, your car and the symptoms into account.
Where is it on the car?
This code does not point to the engine, the brakes or the transmission: you will see the X-ray car with no area marked.
Related faults in the database
EV system warning light on after unplugging before charging has finished (Leaf of 2013–2016)High-voltage battery
Engine / equipment
Power delivery module (PDM, charger): Nissan Leaf (ZE0)
Period mentioned
2013–2016
Symptoms
After starting a charge and unplugging the connector before it has finished, the EV system warning light comes on, with codes B2840 or B29C1 stored.
Possible cause described
According to Nissan bulletin NTB16-006 (USA, January 2016) for the 2013–2016 Leaf ZE0, the fix is to reprogram the power delivery module (PDM) if the bulletin applies to the car.
Check for the garage
Have the codes read: with B2840 or B29C1 and a warning that appeared after unplugging mid-charge, ask about reprogramming the PDM before replacing parts.
Cost cited in the source
No verified estimate; ask the garage for a quote.A rough figure from the original database, not an up-to-date quote.