P0405 OBD II Trouble Code Exhaust Gas Recirculation Sensor A Circuit Low

Detailed information on troubleshooting and repairing a P0405 DTC code which has to do with the EGR Circuit Sensor A. Also includes links to relevant forum topics on the code.

Symptoms of P0405 OBD II Trouble Code

Common Causes of P0405 OBD II Trouble Code