P011C OBD II Trouble Code Charge Air Temperature/Intake Air Temperature Correlation Bank 1

How to quickly diagnose, repair, and info on symptoms and causes of a P011C code that indicates a correlation problem between the bank 1 charge air and intake air temperature readings.

Symptoms of P011C OBD II Trouble Code

  • Decreased engine performance
  • Excessive rich or lean exhaust
  • Delayed engine start-up (especially when cold)
  • Diminished fuel efficiency

Common Causes of P011C OBD II Trouble Code

  • Defective CAT/IAT sensor
  • Open or shorted CAT/IAT sensor wiring or connector
  • Restricted intercooler
  • PCM or PCM programming error

Severity of P011C OBD II Trouble Code

Overall engine performance and fuel efficiency may be adversely affected by the conditions which contribute to a code P011C being stored, it should be categorized as severe.