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Home >> Isuzu >> 2000 >> Hombre XS, 2D Pickup, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Self-Diagnostics - 2.2L >> Diagnostic Trouble Code Identification >> DTC P0601: Pcm Memory >> Circuit Description

Circuit Description

An Electronically Erasable Programmable Read Only (EEPROM) is used to contain program information and calibrations required for engine, transmission and powertrain diagnostics operation. Powertrain Control Module (PCM) uses a value called a checksum for error detection of software. Checksum is a value that is equal to all numbers in software added together. PCM adds all values in software and if that value does not equal checksum value, a DTC will set.

Condition for setting this DTC is:

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