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Home >> Hyundai >> 2007 >> Elantra Limited, Automatic >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Fuel System (G4GC-GSL 2.0) >> DTC Troubleshooting Procedures >> DTC U0101 Serial Communication Problem With TCU (Timeout) >> DTC Description

July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

DTC Description

The ECM determines CAN communication error and sets DTC U0101 if no message received from TCM

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