OBD2 CODE

P28D0 Engine and transmission (P)

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.

Name taken from the open OBDex code list (public domain).

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.

A generic X-ray car with this code's area marked in red: engine. It is a guide, not the layout of your model.

Peugeot 308 (III): known faults of the gearbox and transmission according to L'argusGearbox

Engine / equipment: Peugeot 308 (III), all engines
Period mentioned: 2021–2026
Symptoms: [1.2 Hybrid] "Gearbox fault" message: gears do not engage or the car does not move (up to the end of August 2024); [plug-in hybrid] Neither the petrol engine nor the electric motor will start, code P28D0 81
Possible cause described: According to the brand's technical notes reported by L'argus (each date shows up to when the affected cars were built): 1) [1.2 Hybrid] "Gearbox fault" message: gears do not engage or the car does not move (up to the end of August 2024): Gear-change mechanism or gearbox to be replaced; fixed under recall MS7. 2) [plug-in hybrid] Neither the petrol engine nor the electric motor will start, code P28D0 81: Reprogramming or even gearbox replacement.
Check for the garage: Compare your symptom and your car's build date with this list. If they match, tell the workshop and ask them to check that part first before replacing others. The brand or a warranty extension covers some repairs: ask the dealer with the car's details.
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.