Reference meaning
What does this code mean?
The wording below belongs to the named make and communication. Match the complete code, reporting module, model year and engine before applying it.
A code identifies a detected condition, not a part that must automatically be replaced.
Narrow by vehicle
A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.
Before replacing a part
Record codes and freeze-frame data. Check battery condition, related codes and visible wiring or hose damage. Follow the vehicle's diagnostic procedure and test results before replacing parts.
Scan worksheet →Manufacturer wording
Source wording can vary by vehicle and suffix. It is shown as written, not as a universal diagnosis.
P228DFuel Pressure Regulator Control Performance - High Pressure
P228DFuel Pressure Regulator Control Performance - High Pressure
P228DFuel Pressure Regulator Control Performance - High Pressure
Manufacturer communications
13Original wording in English
CADILLAC, CHEVROLET, GMC
This Technical bulletin provides information on new software for the ECM due to DTC P228D causing the MIL to illuminate.
CADILLAC, CHEVROLET, GMC
This Preliminary information communicatesvehicle may come in with DTC P228D (Fuel Pressure Regulator Control Performance - High Pressure) set current or history. A fault with the fuel rail pressure sensor.Do not replace the Engine’s High Pressure Pump. Butrecommended to replace the Fuel Rail Pressure sensor.
CADILLAC, CHEVROLET, GMC
This Preliminary Information communication provides information to the technician about vehicles that have Diagnostic Trouble Code P228D. Technician should replace the Fuel Rail Pressure sensor not the High Pressure Pump.
CADILLAC, CHEVROLET
16029 - Service Update. The high pressure fuel pump or fuel rail fastener(s) may have been improperly tightened during manufacturing. Fuel could leak from the fuel pump or fuel rail causing the vehicle to go into reduced power mode. If this occurs DTC P228C, P228D or P00C6 will set, causing the Check Engine Light to be illuminat…
Check vehicle applicability
65A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.
| Make | Model | Model year |
|---|---|---|
| Buick | LACROSSE ↗ | 2011 |
| Buick | LACROSSE ↗ | 2010 |
| Buick | REGAL ↗ | 2011 |
| Cadillac | ATS ↗ | 2017 |
| Cadillac | CTS ↗ | 2017 |
| Cadillac | CTS ↗ | 2016 |
| Cadillac | ESCALADE ↗ | 2017 |
| Cadillac | ESCALADE ↗ | 2016 |
Can I keep driving?
A code alone cannot establish whether driving is safe. A flashing malfunction light, severe shaking, overheating, oil-pressure warning or loss of braking or steering needs prompt attention. Stop in a safe place and seek assistance when control or engine safety is affected. Follow the vehicle handbook.