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Home >> Kia >> 2017 >> Sedona L >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transaxle System Diagnosis >> DTC P0601: Internal Control Module Memory Check Sum Error >> General Information >> General Description
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General Information: General Description

The PCM/TCM randomly monitors memory checksum by performing a self-test. These tests are implemented to verify that all of the vehicle software operational calculations are operating properly. If the test fails due to incorrect checksum, the PCM/TCM determines there is a checksum value error.

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