Probable Cause
WARNING: This page is about a different car, the 2002 Nissan Sentra. However, it is still accessible from the selected car via links, so may be relevant.
DTC P0226 will set when rationally incorrect voltage is sent to ECM from APP sensor No. 1 and APP sensor No. 2. DTC P0227 will set when an excessively low voltage from APP sensor No. 1 is sent to ECM. DTC P0228 will set when an excessively high voltage from APP sensor No. 1 is sent to ECM. Possible causes are:
- APP sensor No. 1 or 2 circuit open or shorted.
- Defective APP sensor.