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DTC U0100-87: Lost Communication with ECM/PCM "A" Missing Message [11/2022 - ]: Description

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The battery ECU assembly transmits and receives signals via CAN communication to and from the ECM.

DTC No. Detection Item DTC Detection Condition Trouble Area MIL Warning Indicate Note
U0100-87 Lost Communication with ECM/PCM "A" Missing Message A CAN communication error between the battery ECU assembly and ECM (CAN communication system malfunction) occurs
(1 trip detection logic)
CAN communication system Comes on Master Warning:
Comes on
SAE Code: U0100