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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
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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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