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Home >> Lexus >> 2017 >> NX 200t Base, AWD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Drivers Assistance Systems - ADAS >> Dynamic Radar Cruise Control System - Diagnostic Codes & Symptom Tests >> Dynamic Radar Cruise Control System >> DTC U0100-87: Lost Communication With ECM/PCM "A" Missing Message; DTC U010487: Lost Communication with Cruise Control Module; DTC U012287: Lost Communication with Vehicle Dynamics Control Module Missing Message [09/2017 - 05/2019] >> Description
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DTC U0100-87: Lost Communication With ECM/PCM "A" Missing Message; DTC U010487: Lost Communication with Cruise Control Module; DTC U012287: Lost Communication with Vehicle Dynamics Control Module Missing Message [09/2017 - 05/2019]: Description

The ECM communicates with each sensor and ECU via CAN communication.

If any malfunction is detected in a CAN communication circuit, one or more CAN communication system DTCs are stored.

DTC No. Detection Item DTC Detection Condition Trouble Area
U010087 Lost Communication With ECM/PCM "A" Missing Message While the vehicle speed is 5 km/h (3 mph) or more and the dynamic radar cruise control system is operating, the ECM continuously receives a communication cut-off signal from the skid control ECU (brake actuator assembly) for approximately 1 second or more.
  • CAN communication system
  • ECM
  • Skid control ECU (brake actuator assembly)
U010487 Lost Communication with Cruise Control Module While the vehicle speed is 5 km/h (3 mph) or more and the dynamic radar cruise control system is operating, a communication error between the driving support ECU assembly and ECM is detected for 1 second or more.
  • CAN communication system
  • ECM
  • Driving support ECU assembly
U012287 Lost Communication with Vehicle Dynamics Control Module Missing Message When the engine switch is on (IG) and the dynamic radar cruise control system is operating, a communication error between the skid control ECU (brake actuator assembly) and the ECM is detected for approximately 2.6 seconds or more.
  • CAN communication system
  • ECM
  • Skid control ECU (brake actuator assembly)