P049D OBD II Trouble Code Exhaust Gas Recirculation A Control Position Exceeded Learning Limit

How to quickly diagnose, repair, and what causes of a P049D code that indicates an EGR A control position exceeded learning limit condition.

Symptoms of P049D OBD II Trouble Code

  • There will likely be no symptoms associated with this code
  • Slightly diminished fuel efficiency
  • Possible drivability issues

Common Causes of P049D OBD II Trouble Code

  • Defective EGR valve
  • Faulty EGR sensor
  • Bad PCM or a PCM programming error

Severity of P049D OBD II Trouble Code

Since the code P049D pertains to the EGR system, it should not be considered severe.