DSD Information System
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DTC P161A-87: Lost Communication with Alternator Missing Message [12/2019 - 10/2022]: Description

The ECM communicates with the generator assembly via LIN communication. If a LIN communication error is detected, the ECM stores this DTC.

DTC No. Detection Item DTC Detection Condition Trouble Area Warning Indicate Memory Note
P161A-87 Lost Communication with Alternator Missing Message Generator assembly or ECM communication stops for approximately 17 minutes or more with the ignition switch to ON.
(1 trip detection logic)
  • Wire harness and connector
  • Generator assembly
  • ECM
Charge warning is not displayed DTC stored SAE Code: P161A