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Home >> Lexus >> 2024 >> RC 350 Base, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 36 (Battery / Charging System (8AR-FTS) - Diagnostic Codes & Symptom Tests) >> Charging System >> DTC P161A-87: Lost Communication with Alternator Missing Message [10/2015 - ] >> Description

DTC P161A-87: Lost Communication with Alternator Missing Message [10/2015 - ]: Description

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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 stop for about 17 minutes or more with the engine switch on (IG).
(1 trip detection logic)
  • Wire harness or connector
  • Generator assembly
  • ECM
Charge warning light comes on DTC stored SAE Code:
P161A