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Pontiac
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2003
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Aztek AWD
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Repair and Diagnosis
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Engine Performance
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Engine Controls Self-Diagnostics
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Diagnostic Tests
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DTC P1381: Misfire Detected - No EBCM/Pcm Serial Data
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Test Description
Test Description
The number below refers to the step number in the diagnostic procedures.
1 -
This step will diagnose a malfunction in the serial data circuits.