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Home >> Chevrolet >> 2004 >> Avalanche 2500 >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 5 (Engine Control System - 4.8L, 5.3L & 6.0L (DTC P0452 To DTC P2120)) >> Diagnostic Information and Procedures >> DTC P0601-P0607, P1600, P1621, P1627, P1680, P1681, P1683, or P2610 >> Description

DTC P0601-P0607, P1600, P1621, P1627, P1680, P1681, P1683, or P2610: 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). This diagnostic also addresses if the PCM is not programmed.

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