LEMON Manuals
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Mustang Base, 2D Convertible, Automatic Trans
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Section 1428 (Electronic Power Assist Steering Component Testing)
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DTC U0100 Lost Communication with ECM/PCM A
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DTC U0100 Lost Communication with ECM/PCM A: Action
WARNING:
This page is about a different car, the 2017 Ford F-150. However, it is still accessible from the selected car via links, so may be relevant.
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Pinpoint Test A