P041B - OBD II Trouble Code

Our automotive experts have put together the following information about the P041B 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 P041B code.

OBD II Fault Code

• OBD II P041B

OBD-II Code Powertrain Control Module (PCM) failure is defined as a Exhaust Gas Recirculation Temperature Sensor "B" Circuit

An Exhaust Gas Recirculation (EGR) Temperature Sensor is an electrical sensing probe that monitors EGR temperature and transmits the signal to the engine control control module. When the engine control module (PCM) detects an incorrect signal from the EGR Temperature Sensor, the PCM will set code P041B.

Common Problems That Trigger the P041B Code

• EGR temperature sensor failure
• Powertrain Control Module (PCM) failure
• Wiring issue