2016-2017 Expedition/Navigator – 3.5L – Illuminated Malfunction Indicator Lamp (MIL) – Diagnostic Trouble Codes (DTCs) P0137 And/Or P0157
Some 2016-2017 Expedition/Navigator vehicles equipped with a 3.5L engine may exhibit an illuminated MIL with DTCs P0137 And/Or P0157.
This may be due to loose connector pins or connector seating at in line connector C1019.
If an inconsistent voltage reading is observed when measuring voltage at pin 3 of C1569 and performing a wiggle test at C1019, repair or replace PIN 15 on the female side of C1019.
If no concerns are found with C1019, perform the normal diagnostic routine in PC/ED Pinpoint Test DW.