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Home >> Lexus >> 2017 >> NX 300h >> Repair and Diagnosis (Single Page) >> Hybrid/Electric Powertrain >> Testing and Diagnosis >> Hybrid Control System - Diagnostic Codes (11 Of 12) >> Hybrid Control System >> DTC U0100-530: Lost Communication with ECM / PCM "A"; DTC U0126-735: Lost Communication with Steering Angle Sensor Module; DTC U0129-527: Lost Communication with Brake System Control Module; DTC U0129-528: Lost Communication with Brake System Control Module; DTC U0140-146: Communication Error from Body ECU to HV ECU; DTC U0151-763: Communication Error from Airbag ECU to HV ECU; DTC U0164-827: Communication Error from A/C ECU to HV ECU; DTC U1107-436: Lost Communication with Power Management Module [10/2014 - ] >> Description
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DTC U0100-530: Lost Communication with ECM / PCM "A"; DTC U0126-735: Lost Communication with Steering Angle Sensor Module; DTC U0129-527: Lost Communication with Brake System Control Module; DTC U0129-528: Lost Communication with Brake System Control Module; DTC U0140-146: Communication Error from Body ECU to HV ECU; DTC U0151-763: Communication Error from Airbag ECU to HV ECU; DTC U0164-827: Communication Error from A/C ECU to HV ECU; DTC U1107-436: Lost Communication with Power Management Module [10/2014 - ]: Description

The hybrid vehicle control ECU transmits and receives signals via CAN communication to and from the ECM, skid control ECU assembly, power steering ECU assembly, main body ECU, airbag ECU assembly, and air conditioning amplifier assembly.

DTC No. Detection Item DTC Detection Condition Trouble Area MIL Warning Indicate
U0100-530 Lost Communication with ECM / PCM "A" A CAN communication error between the ECM and hybrid vehicle control ECU (CAN communication system malfunction) occurs
(1 trip detection logic)
CAN communication system Comes on Master Warning Light:
Comes on
U0126-735 Lost Communication with Steering Angle Sensor Module A CAN communication error between the steering angle sensor and hybrid vehicle control ECU (CAN communication system malfunction) occurs
(1 trip detection logic)
CAN communication system Does not come on Master Warning Light:
Comes on
AWD Warning:
Comes on
U0129-527 Lost Communication with Brake System Control Module A CAN communication error (V BUS) between the skid control ECU assembly and hybrid vehicle control ECU (CAN communication system malfunction) occurs
(1 trip detection logic)
CAN communication system Does not come on Master Warning Light:
Comes on
U0129-528 Lost Communication with Brake System Control Module A CAN communication error between the skid control ECU assembly and hybrid vehicle control ECU (CAN communication system malfunction) occurs
(1 trip detection logic)
CAN communication system Does not come on Master Warning Light:
Comes on
U0140-146 Communication Error from Body ECU to HV ECU A CAN communication error between the main body ECU and hybrid vehicle control ECU (CAN communication system malfunction) occurs
(1 trip detection logic)
CAN communication system Does not come on Master Warning Light:
Comes on
U0151-763 Communication Error from Airbag ECU to HV ECU A CAN communication error between the airbag ECU assembly and hybrid vehicle control ECU (CAN communication system malfunction) occurs
(1 trip detection logic)
CAN communication system Does not come on Master Warning Light:
Comes on
U0164-827 Communication Error from A/C ECU to HV ECU A CAN communication error between the air conditioning amplifier assembly and hybrid vehicle control ECU (CAN communication system malfunction) occurs
(1 trip detection logic)
CAN communication system Does not come on Master Warning Light:
Does not come on
U1107-436 Lost Communication with Power Management Module A CAN communication error between the certification ECU (smart key ECU assembly) (CAN communication system malfunction) occurs
(1 trip detection logic)
CAN communication system Does not come on Master Warning Light:
Comes on