Last Modified: 11-29-2007 1.6 C
Service Category: Engine/Hybrid System Section: Cruise Control
Model Year: 2008 Model: Sequoia Doc ID: RM000000ZKA00VX
Title: CRUISE CONTROL: DYNAMIC LASER CRUISE CONTROL SYSTEM: DESCRIPTION (2008 Sequoia)

DTC

U0100

Lost Communication with ECM / PCM "A"

DTC

U0122

Lost Communication with Vehicle Dynamics Control Module

DTC

U0126

Lost Communication with Steering Angle Sensor Module

DTC

U1101

Lost Communication with Distance Control ECU

DESCRIPTION

The ECM communicates several signal with each sensors or ECUs by CAN communication circuit. There are any malfunctions in the communication circuit, one or more DTCs in the CAN communication system are output.

DTC No.

DTC Detection Condition

Trouble Area

U0100

While the dynamic laser cruise control is either preparing for operation or operating, if the ECM continuously receives a communication cut off signal from the distance control ECU for 0.5 seconds, the ECM records this communication cut off code

  • Communication circuit
  • ECM
  • Distance control ECU

While the dynamic laser cruise control is either preparing for operation or operating, if the ECM continuously receives a communication cut off signal from the skid control ECU for 1.0 seconds, the ECM records this communication cut off code

  • Communication circuit
  • ECM
  • Skid control ECU

U0122

While dynamic laser cruise control is either preparing for operation or operating, if communication data from the skid control ECU is invalid for a certain amount of time, the ECM records this communication cut off code

  • Communication circuit
  • Skid control ECU
  • ECM

U0126

While the dynamic laser cruise control is either preparing for operation or operating, if the ECM continuously receives a steering sensor communication error signal for 0.15 seconds, the distance control ECU sends a signal to the ECM to record this trouble code

  • Communication circuit
  • Steering angle sensor
  • Distance control ECU
  • ECM

U1101

While the dynamic laser cruise control is either preparing for operation or operating, if communication data from the distance control ECU is invalid for 1.08 seconds, the ECM records this communication cut off code

  • Communication circuit
  • Distance control ECU
  • ECM

INSPECTION PROCEDURE

Refer to CAN Communication System NETWORKING: CAN COMMUNICATION SYSTEM: HOW TO PROCEED WITH TROUBLESHOOTING (2008 Sequoia) .