P229D Code: Meaning, Causes, and Symptoms | OBD2 Codes
P229D – Fuel Pressure Regulator 2 Exceeded Learning Limits Too High
P229D Possible Symptoms
Engine Light ON (or Service Engine Soon Warning Light)
P229D Possible Causes
Faulty Fuel Pressure Regulator,Faulty Fuel Pump,Faulty Fuel Pressure Sensor
The Powertrain Control Module (PCM) monitors the fuel pressure. The code is set when the PCM detects the fuel pressure out of factory specifications.