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6E–255 6VD1 3.2L ENGINE DRIVEABILITY AND EMISSIONS Diagnostic Trouble Code (DTC) P0406 EGR High Voltage 060R100136 Circuit Description The powertrain control module (PCM) monitors the EGR Conditions for Setting the DTC D Ignition voltage is between 11 and 16 volts. D Intake Air temp is more than 3 ° C (37.4 ° F). D EGR pintle position is more than 99% and last more Action Taken When the DTC Sets D The PCM will ON the MIL after second trip with D The PCM will store conditions which were present Conditions for Clearing the MIL/DTC D The PCM will turn the MIL “OFF” on the third D A history DTC P0402 will clear after 40 consecutive D DTC P0404 can be cleared by using the Tech 2 “Clear Diagnostic Aids Check for the following conditions: D Poor connection or damaged harness – Inspect the |