DTC U0055[88] Chassis CAN Bus Off

1. DTC U0055[88] description

The EPS motor control unit communicates the control information with other control units and the instrument panel cluster via the CAN communication circuit. If the EPS motor control unit detects a malfunction in the CAN communication circuit, the DTC is set.

2. Condition for setting DTC U0055[88]

Condition for running the DTC

  • The ignition switch is ON.

Condition for setting the DTC

  • The EPS motor control unit detects a Bus OFF status in the CAN communication circuit.

3. Action taken when DTC U0055[88] sets

  • The steering system failure warning light does not illuminate.
  • The electric power steering assist control is continued.
  • The lane departure prevention is deactivated.
  • The lane keep assist is deactivated.
  • The emergency lane keeping is deactivated.
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