Possible Causes
WARNING: This page is about a different car, the 2003 Toyota Sequoia. However, it is still accessible from the selected car via links, so may be relevant.
DTC is set when an open or short is detected in mass airflow meter circuit for more than 3 seconds when engine speed is 4000 RPM or less. Possible causes are:
- Mass airflow meter circuit.
- Mass airflow meter.
- ECM.