P2457 - OBD II Trouble Code

Our automotive experts have put together the following information about the P2457 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 P2457 code.

OBD II Fault Code

• OBD II P2457

OBD-II Code EGR temperature sensor failure is defined as a Exhaust Gas Recirculation Cooling System Performance

The engine computer (PCM) monitor the EGR Cooler outlet temperature. If the exhaust gas is excessively high, this is an indication that the EGR cooler is not functioning properly. Code P2457 will be stored.

Common Problems That Trigger the P2457 Code

• Clogged EGR cooler
• Coolant system leak
• EGR temperature sensor failure