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Thunderbird
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Repair and Diagnosis (Single Page)
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Section 243 (Module Communications Network)
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Diagnosis And Testing
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Communications Network
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Pinpoint Test E: The Powertrain Control Module (PCM) Does Not Respond To The Diagnostic Tool
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Possible Causes
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Possible Causes
WARNING:
This page is about a different car, the 2003 Ford Thunderbird. However, it is still accessible from the selected car via links, so may be relevant.
circuit 4-EC7 (GY/RD) open
circuit 5-EC7 (BU/RD) open
PCM C175b
PCM