P050E OBD II Trouble Code Cold Start Engine Exhaust Temperature Too Low

How to easily diagnose, repair, and info on causes of a P050E trouble code that indicates a detected too low of temperature from the exhaust upon cold startup.

Symptoms of P050E OBD II Trouble Code

  • Diminished engine performance
  • Decreased fuel efficiency
  • Excessive black smoke from the exhaust
  • Accompanying DEF codes

Common Causes of P050E OBD II Trouble Code

  • Defective exhaust temperature sensor
  • Burnt or damaged exhaust temperature sensor wiring
  • Moisture trapped inside the exhaust has frozen
  • PCM or PCM programming error

Severity of P050E OBD II Trouble Code

When a code P050E is stored, DEF injection is likely to be disabled. This code should be categorized as severe and rectified with urgency.