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

 

P229D Description

 

The Powertrain Control Module (PCM) monitors the fuel pressure. The code is set when the PCM detects the fuel pressure out of factory specifications.