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Home >> Chevrolet >> 2002 >> C3500 HD 6.5 F, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - 6.5L >> Description and Operation >> Powertrain Control Module (PCM) Description >> Notes

Powertrain Control Module (PCM) Description: Notes

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The powertrain control module (PCM) processes the various input information. The PCM sends the necessary electrical responses to control fuel delivery, spark timing, and other emission control systems.

The input information has an interrelation to more than one output. One failed input can affect more than one systems operation.

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