DTC U0100-87: Lost Communication With ECM/PCM "A" Missing Message; DTC U0293-87: Lost Communication With Hybrid Powertrain Control Module Missing Message; DTC U1170-08: Lost Communication with Brake System Control Module (ch2) Bus Signal / Message Failure; DTC U1170-87: Lost Communication With Brake System Control Module (ch2) Missing Message [12/2022 - ]: Description

The motor generator control ECU communicates with the hybrid vehicle control ECU, ECM and skid control ECU assembly via CAN communication.

DTC No.	Detection Item	DTC Detection Condition	Trouble Area	MIL	Warning Indicate	DTC Output from	Priority	Note
U0100-87	Lost Communication With ECM/PCM "A" Missing Message	A CAN communication error between the ECM and motor generator control ECU (CAN communication system malfunction) occurs (1 trip detection logic)	CAN communication system	Comes on	Master Warning: Comes on	Motor Generator	B	SAE Code: U0100
U0293-87	Lost Communication With Hybrid Powertrain Control Module Missing Message	A CAN communication error between the hybrid vehicle control ECU and motor generator control ECU (CAN communication system malfunction) occurs (1 trip detection logic)	CAN communication system	Comes on	Master Warning: Comes on	Motor Generator	B	SAE Code: U0293
U1170-08	Lost Communication with Brake System Control Module (ch2) Bus Signal / Message Failure	A CAN communication error between the skid control ECU assembly and motor generator control ECU (CAN communication system malfunction) occurs (1 trip detection logic)	CAN communication system	Does not come on	Master Warning: Comes on	Motor Generator	B	SAE Code: U1170
U1170-87	Lost Communication With Brake System Control Module (ch2) Missing Message	A CAN communication error between the skid control ECU assembly and motor generator control ECU (CAN communication system malfunction) occurs (1 trip detection logic)	CAN communication system	Comes on	Master Warning: Comes on	Motor Generator	B	SAE Code: U1170