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Home >> Hyundai >> 2017 >> Sonata Base >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 48 (Engine Control System Diagnosis - 2.0L (3 Of 3) (Except HEV)) >> DTC P0607: Control Module Performance >> Wiring Inspection >> Terminal and

Terminal and

WARNING: This page is about a different variant/trim than selected.
  1. Disconnect the PCM connectors and inspect for looseness, poor connection, bending, corrosion, contamination, deterioration or damage. Reconnect the connectors.
  2. Connect the GDS and go to "Current Data".
  3. Monitor PCM values in Current Data, check and wiggle the harness(es), connector(s), and terminal(s).
  4. Any change in the values indicates a poor connection. Was a connector problem found?

    YES 

    NO 

    • Substitute with a known-good PCM and check for proper operation. If the problem is corrected, replace PCM and then go to "VERIFICATION OF VEHICLE REPAIR " procedure.
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