P2828 code meaning
Pressure Control Solenoid K
Powertrain system Generic code P28xx codes Check engine light
What P2828 means
P2828 serves as the catch-all code for solenoid K and is normally refined by a failure-type byte or replaced by one of P2829 to P2830. Mercedes-Benz is the maker found to name it directly: on the 8G-DCT dual-clutch gearbox of model series 118, 177 and 247, P282800 denotes a malfunction of pressure regulating valve 10 and P282B00 an electrical fault of the same valve. Both belong to the IPR routine in XENTRY Diagnosis, which Mercedes set up because many repairs on transmission 724.1 had not solved the complaint. GM uses K on the 2023 Corvette dual-clutch box for the selector pilot valve, but only with the specific codes. Since K may be a clutch, selector or cooling valve, effects range from rough shifts to missing gears.
P2828 at a glance
- Check engine lightYes, usually on
- Emissions testCan fail
- Limp modePossible
- Repair difficultyWorkshop only
- Typical labor1 to 10 hours
- Clears after repairWhen cleared with a scanner
Symptoms of P2828
- Rough shifting or missing gears
- Transmission warning or MIL
- Emergency mode
Common causes of P2828
- Most likelyValve K sticking because of contaminated fluid
- PossibleFault in the mechatronic unit carrying valve K
- PossibleCoil fault at valve K
Check the most likely causes first. Replacing parts by guesswork is the most expensive way to clear a code.
Parts involved
Pressure control solenoid kValve body
What each part of P2828 means
| P | Powertrain system: engine, fuel system, ignition, emissions and transmission. |
| 2 | Generic code (second SAE range): it means the same on every make. |
| 8 | Area: transmission. |
| 28 | The exact fault in that area. |
What to do next
- Note P2828 and any other codes stored with it: several codes together often point to one cause.
- Check for loose connectors and damaged wiring around the parts the code names.
- Check open recalls for your car: some faults are fixed for free by the dealer. Enter your VIN.
- Clear the code only after the repair. If it comes back, the fault is still there.
Buying a used car? Scan it for stored codes before you pay. A recently cleared memory can hide a problem.
Questions about P2828
What does P2828 mean?
P2828 means "Pressure Control Solenoid K". P2828 serves as the catch-all code for solenoid K and is normally refined by a failure-type byte or replaced by one of P2829 to P2830. It is a generic code, so it means the same on every make.
Is it safe to drive with P2828?
Drive gently and only to a workshop. With P2828 the car can go into limp mode (reduced power) to protect itself.
Will P2828 fail an emissions test?
Yes, it can. P2828 is emissions-related, so most inspection programs fail a car while it is stored or while the check engine light is on.
How hard is P2828 to fix?
Difficulty: workshop only. A typical repair takes 1 to 10 hours of work. This is a job for a workshop.
Will P2828 clear itself after the repair?
Clear the code with a scanner after the repair. If the fault is fixed, it does not come back.