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Home >> Kia >> 2012 >> Optima LX, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 30 (Automatic Transaxle Control System - HEV) >> Description and Operation >> Control System Composition >> Checking Procedure (Self-diagnosis)

Checking Procedure (Self-diagnosis)

WARNING: This page is about a different variant/trim than selected.
  1. When battery voltage is excessively low, diagnostic trouble codes can not be read. Be sure to check the battery for voltage and the charging system before starting the test.
  2. Diagnosis memory is erased if the battery or the TCM connector is disconnected. Do not disconnect the battery before the diagnostic trouble codes (DTC) are completely read and recorded.
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