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Home >> Chevrolet >> 2000 >> Astro Van Passenger, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 71 (Engine Controls Self-Diagnostics - 4.3L) >> Diagnostic Tests >> DTC P0601-P0607, P1600, P1621, P1627, P1680, P1681 & P1683: Pcm Memory (Jimmy CANADIAN, SONOMA & S10 Pickup) >> Description

DTC P0601-P0607, P1600, P1621, P1627, P1680, P1681 & P1683: Pcm Memory (Jimmy CANADIAN, SONOMA & S10 Pickup): Description

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2002 GMC Sonoma, 2002 GMC Safari, 2002 GMC Jimmy, 2002 Chevrolet S10 Pickup, and 2002 Chevrolet Blazer. However, it is still accessible from the selected car via links, so may be relevant.

The Powertrain Control Module (PCM) electrically erasable programmable read only memory (EEPROM) contains data which is essential for operating the engine and transmission. The PCM continuously tests the integrity of this data.

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