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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 408 (Engine Control System Self-Diagnostics - 3.8L) >> Diagnostic Tests >> DTC P0601-P0607, P1600, P1621, P1627, P1680, P1681, P1683 & P2610: Pcm Internal Microprocessor Integrity >> Description

DTC P0601-P0607, P1600, P1621, P1627, P1680, P1681, P1683 & P2610: Pcm Internal Microprocessor Integrity: Description

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This diagnostic applies to internal microprocessor integrity conditions within PCM. This diagnostic also addresses if PCM is not programmed.

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