LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Nissan-Datsun >> 2014 >> Altima Base >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Drivers Assistance Systems - ADAS >> Driver Assistance System (Its Control Unit) >> DTC/Circuit Diagnosis >> DTC C1A39: Steering Angle Sensor >> DTC Logic >> DTC Detection Logic
April 5, 2026: LEMON Manuals is launched! Read the announcement.

DTC Detection Logic

DTC Trouble diagnosis name DTC detecting condition Possible causes
C1A39 STRG SEN CIR ITS control unit receives the message that means "Steering angle sensor is failed" from steering angle sensor.
  • Steering angle sensor
  • ITS control unit