DTC U0055[88] CAN Bus Communication Error (Air Bag (Driver/Passenger))

1. DTC U0055[88] description

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

2. Condition for setting DTC U0055[88]

  • The SRS control unit detects a malfunction in the CAN communication circuit.

3. Action taken when DTC U0055[88] sets

  • SRS airbag warning light illuminates.

Warning

  • During the maintenance work, do not hit or shake the SRS control unit when handling it.
  • If the SRS control unit is not properly installed, the SRS control unit may cause malfunctions. This may result in deployment of the SRS airbag and personal injury.

Caution

  • To prevent the SRS parts to be replaced from malfunctioning and generating a battery short circuit, make sure to disconnect the battery cable before replacing the parts.