P2289 - OBD II Trouble Code

Our automotive experts have put together the following information about the P2289 diagnostic trouble code. We've provided the common symptoms that occur when this code is set along with the frequent repairs that address the issues related to the P2289 code.

OBD II Fault Code

• OBD II P2289

OBD-II Code Engine may not start is defined as a Injector Control Pressure Too High - Engine Off

Some diesel engines use high pressure oil to control the fuel injectors on the diesel engine. The Injector Pressure Regulator (IPR) regulates the oil pressure going to the injectors. The Injector Control Pressure (ICP) Sensor monitors the oil pressure produced by the high pressure oil pump. If the ICP sends back an implausible signal, code P2289 will be set. The engine will not start.

Engine may not start Symptoms

• Engine may not start

Common Problems That Trigger the P2289 Code

• Engine oil level is too low
• Injector Control Pressure (ICP) sensor failure
• Wiring issue