B -- REPLACE MILLIMETER WAVE RADAR SENSOR See: Accessories and Optional Equipment/Collision Avoidance and
Parking Assist Systems/Distance Sensor/Service and Repair/Components
A -- END
Up to 08/2009
CRUISE CONTROL: DYNAMIC RADAR CRUISE CONTROL SYSTEM: U0100,U0122,U0123,U0126,U1104: Lost Communication with
ECM / PCM "A"
U1104 - Lost Communication with Driving Support ECU
DESCRIPTION
The ECM communicates several signals with each sensor and ECU by CAN communication circuit.
There are any malfunctions in the communication circuit, one or more DTCs in the CAN communication system are output.
INSPECTION PROCEDURE
PROCEDURE
1. CHECK DTC (CAN COMMUNICATION SYSTEM)
(a) Check for DTCs See: Powertrain Management/Computers and Control Systems/Information Bus/Testing and Inspection/Initial
Inspection and Diagnostic Overview/CAN Communication System/Diagnosis System
NEXT -- CHECK CAN COMMUNICATION SYSTEM See: Diagnostic Trouble Code Descriptions/CAN Communication
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