DTC U0101[87] Lost Communication With TCM (ABS/ESC)

1. DTC U0101[87] description

The EHCU and TCM communicate the control information and diagnosis information via the CAN communication circuit. If the EHCU detects a malfunction in the CAN communication circuit, this DTC is set.

2. Condition for setting DTC U0101[87]

Condition for running the DTC

  • The transmission type is automatic transmission.

Condition for setting the DTC

  • The EHCU cannot receive CAN messages sent from the TCM.

3. Action taken when DTC U0101[87] sets

  • ESC warning light illumination (Models equipped with ESC)
  • TCS control inhibition (Models equipped with ESC)
  • ESC control inhibition (Models equipped with ESC)
  • HSA control inhibition (Models with ESC)
  • ISS control inhibition (Models with ESC)
  • Hill Descent Control inhibition (Models with ESC)