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Home >> Pontiac >> 2005 >> Grand Prix GXP >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 6 (Engine Controls - 3.8L - DTC P0406 To DTC P1111) >> DTC P0601, P0602, P0603, P0604, P0605, P0606, P0607, P1600, P1621, P1627, P1680, P1681, P1683, or P2610: Control Module Malfunction(s) >> Description

DTC P0601, P0602, P0603, P0604, P0605, P0606, P0607, P1600, P1621, P1627, P1680, P1681, P1683, or P2610: Control Module Malfunction(s): Description

WARNING: This page is about a different variant/trim than selected.

This diagnostic applies to internal microprocessor integrity conditions within the powertrain control module (PCM) and the throttle actuator control (TAC) module. This diagnostic also addresses if the PCM is not programmed.

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