CRUISE CONTROL SYSTEM, Diagnostic DTC:U0122

DTC Code DTC Name
U0122 Lost Communication with Vehicle Dynamics Control Module

DESCRIPTION

The hybrid vehicle control ECU receives signals from the skid control ECU (brake booster with master cylinder assembly) via CAN communication.

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

U0122

Lost Communication with Vehicle Dynamics Control Module

When the power switch is on (IG) and the cruise control system is operating, a communication error between the skid control ECU (brake booster with master cylinder assembly) and the hybrid vehicle control ECU is detected for approximately 2.72 seconds or more.

  • CAN communication system

  • Hybrid vehicle control ECU

  • Skid control ECU (brake booster with master cylinder assembly)

CAUTION / NOTICE / HINT

Tip:

Refer to troubleshooting in CAN Communication System.

PROCEDURE

  1. GO TO CAN COMMUNICATION SYSTEM

    Result

    Proceed to

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    END