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Home >> Cadillac >> 2001 >> Seville STS >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - Self-Diagnostics - 4.6L >> Diagnostic Tests >> DTC P0606: Control Module Internal Performance >> Description
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DTC P0606: Control Module Internal Performance: Description

Powertrain Control Module (PCM) is capable of diagnosing a malfunction within the controller. If PCM detects a malfunction within the controller, DTC P0606 will set.

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