Manuals through 2025 now available!
Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.
LEMON is the logical successor to CHARM, I recommend you try it!
Link:
lemon-manuals.la
EGR Position Variance
The scan tool displays
0-100 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.