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Home >> GMC >> 1998 >> Forward Control 7.4 J >> Repair and Diagnosis >> External Pages >> Different car >> Section 61 (Engine Control System - Tests W/Codes - DTC P0453-P0656) >> DTC P0602 >> DTC P0602: Memory/Programming Error (1.9L SATURN) >> Diagnostic Procedures

Diagnostic Procedures

WARNING: This page does not describe the selected car, but rather 65 other vehicles, including the 1999 Saturn SW2, 1999 Saturn SW1, 1999 Saturn SL2, 1999 Saturn SL1, and 1999 Saturn SL. However, it is still accessible from the selected car via links, so may be relevant.

Reprogram PCM. Record any DTCs and diagnose affected DTCs. If DTC P0602 resets, replace PCM. Program replacement PCM using required equipment.

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