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DTC 031

DTC 031

CIRCUIT DESCRIPTION
When the ignition switch is turned to ON, the sensing and diagnostic module (SDM) will perform a turn-on test to diagnose critical malfunctions within the SDM itself.

CONDITIONS FOR SETTING THE DTC
- The SDM does not pass internal tests.
- The wiring harness of the SDM should be inspected before replacing the SDM.

TEST

Steps 1-4: