P1228 Possible Causes
- Faulty EGR valve
- Faulty MAF sensor
- Faulty SIP sensor
- Compressor bypass actuator stuck in closed position
- Faulty compressor
How to Fix Code P1228?
Start by checking the “possible causes” listed above. Visually inspect the corresponding wiring harness and connectors. Look for damaged components and check for broken, bent, pushed out, or corroded connector pins.
Technical Notes
Indicates that the boost pressure is continuously lower than desired
Possible Symptoms
- Engine light on (or engine warning light soon to be on)
P1228 Meaning
Wastegate could not open under pressure is the generic description for code P1228, but the manufacturer may have a different description for your vehicle model and year. Currently, we have no further information about OBDII code P1228.