OBD Codes List

Diagnostic reference · P011C

P011C

Charge Air Cooler Temperature/Intake Air Temperature Correlation Bank 1

System
Fuel and air metering (P code)
Lamp
Check Engine Light
Category
Powertrain - Fuel/Air Metering

What it means

P011C means Charge Air Cooler Temperature/Intake Air Temperature Correlation Bank 1.

Check these first

  • A charge air cooler temperature sensor reading off
  • An intake air temperature sensor reading off on bank 1
  • Corroded wiring on either sensor circuit
  • An intake leak on bank 1
  • A clogged charge air cooler

What to do next

  1. Compare the charge air cooler and intake air temperature readings
  2. Inspect both sensor connectors and wiring
  3. Smoke test bank 1 for an intake leak
  4. Clean the charge air cooler
  5. Replace the sensor that reads off
  6. Clear the code and retest

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Updated

Generic SAE J2012 definition. Last updated 2026-10-10.