LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Lexus >> 2021 >> NX 300 Base, AWD >> Repair and Diagnosis >> Transmission >> Transfer Case >> Dynamic Torque Control AWD System - Diagnostic Codes & Symptom Tests >> Dynamic Torque Control AWD System >> DTC C1280: Engine Circuit Malfunction [05/2019 - ] >> Description
April 5, 2026: LEMON Manuals is launched! Read the announcement.

DTC C1280: Engine Circuit Malfunction [05/2019 - ]: Description

If a malfunction in the ECM circuit occurs, the 4WD ECU assembly will output this DTC.

DTC No. Detection Item DTC Detection Condition Trouble Area
C1280 Engine Circuit Malfunction When the following continues for 5 seconds or more:
  • Communication with engine control ECM is operating normally, but engine control system is malfunctioning.
  • Engine control system
  • 4WD ECU assembly
scientia non olet · About LEMON Manuals