DTC U0055[00] CAN(Chassis CAN) Circuit Malfunction (Information Module)

1. DTC U0055[00] description

ECUs, such as the information module, communicate the control information and diagnosis information via the CAN communication circuit. The information module monitors the CAN operational status by expecting a constant message flow from each module. If the information module detects a CAN Bus OFF status, this DTC is set.

2. Condition for setting DTC U0055[00]

Condition for running the DTC

  • The ignition switch is ON.

Condition for setting the DTC

  • The information module detects a CAN Bus OFF status for 5 seconds or more.
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