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Home › Kia › 2002 › Rio Base, Automatic › Repair and Diagnosis › Engine Performance › System › Engine Controls - Self-Diagnostics › Diagnostic Tests › DTC P0601: Engine Control Module Random Check Sum Error & DTC P0605: Engine Control Module ROM Error › Test Procedure

Test Procedure

  1. There is no inspection or service possible for this diagnostic trouble code. Temporarily install a known-good ECM and check for proper operation. If problem is corrected, replace ECM. Go to next step.
  2. After repair, return vehicle to original condition. Clear codes using Hi-Scan Pro/Kia Data Pro Scan tool or equivalent. Verify repairs by driving vehicle and monitoring for pending codes. If DTC is set during test drive, follow appropriate DTC test procedure.
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