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Home >> Hyundai >> 2004 >> Elantra GLS, Standard >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Fuel System >> DTC Trouble Shooting Procedures >> DTC P1602: Serial Communication Problem With TCM (Time Out) >> Inspection Procedures >> 1. Check ECM & TCM Connectors

1. Check ECM & TCM Connectors

  1. Thoroughly check the connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage.

Are all connectors good? 

Yes: Go to next step.

No: Repair or replace it.

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