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Home >> Kia >> 2014 >> Optima EX >> Repair and Diagnosis >> External Pages >> Different car >> Section 37 (Automatic Transaxle Control System - 2.0L - Optima) >> Automatic Transaxle Control System >> Description And Operation >> Control System Composition >> Checking Procedure (Self-Diagnosis)
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Checking Procedure (Self-Diagnosis)

WARNING: This page is about a different car, the 2015 Kia Optima. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION:
  • 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.
  • 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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