DTC U0101[00] Lost Communication With TCM (Information Module)

1. DTC U0101[00] description

The information module and the TCM communicate information with each other using the CAN bus. The information module determines whether the CAN messages are constantly flowing from the TCM. The information module sets the DTC if CAN messages from the TCM are not received.

2. Condition for setting DTC U0101[00]

Condition for running the DTC

  • The ignition switch is ON.
  • The ignition voltage is 10 V or more.

Condition for setting the DTC

  • The information module detects that CAN messages from the TCM are not received for 5 seconds or more.
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