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Home >> Hyundai >> 2021 >> Elantra SE >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 34 (Dual Clutch Transmission Diagnosis - 1.6L (Except HEV) (1 Of 3)) >> Component (Location) And Function >> Component Function >> TCM

Component Function: TCM

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The 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 TCM determines there is a checksum value error.

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