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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 370 (Engine Control System - Self-Diagnostics - 4.2L) >> Diagnostic Tests >> DTC P0601-P0607, P1600, P1621, P1627, P1680, P1681, P1683 Or P2610: Pcm Memory >> Test Description

Test Description

WARNING: This page is about a different car, the 2003 Oldsmobile Bravada, 2003 GMC Envoy XL, 2003 GMC Envoy, and 2003 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.

The numbers below refers to the step numbers in the diagnostic procedures.

  1. 2 -  A DTC P0602 indicates the PCM is not programmed.

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