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Home >> Ford >> 2021 >> Expedition Platinum, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 839 (Electronic Engine Controls - 2.7L ECOBOOST (238KW/324PS)) >> Diagnosis And Testing >> Electronic Engine Controls >> Symptom Chart

Symptom Chart

WARNING: This page is about a different car, the 2021 Ford F-150. However, it is still accessible from the selected car via links, so may be relevant.
Symptom Possible Sources Action
The PCM does not communicate with the scan tool. Refer to the pinpoint test. GO to Pinpoint Test QA 
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