Diagnostic Aids
WARNING: This page is about a different variant/trim than selected.
- Certain aftermarket air filters may cause this DTC to set.
- Certain aftermarket air induction systems may cause this DTC to set.
- An inaccurate MAF sensor, an intake air flow restriction, any unmetered air that enters the engine downstream of the MAF sensor, or an air induction leak may cause this DTC to set.
- An aftermarket exhaust system may reduce engine back-pressure excessively and cause this DTC to set.
- A faulty EGR valve that does not close fully, may set this DTC.
- An inaccurate CAC temperature sensor may cause this DTC to set.
- Use a smoke generating device or a solution of dish soap and water in a spray bottle to pinpoint any suspected air leaks in the induction system and in the charge air cooler assembly.