October 30: LEMON manuals on a temporary server, it is slow and having issues, download the manuals you need! Later in November we will switch back to the fast server.
EGR Position Error
Scan tool displays
0 percent to
100 percent. Indicates the difference between Desired
EGR Position and Actual EGR Position currently being monitored by the PCM. If the EGR Position Error reaches an unacceptable level, DTC P1406 will set.