LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Lexus >> 2007 >> LS 460L >> Repair and Diagnosis >> Accessories & Equipment >> Cruise Control Systems >> Cruise Control >> Dynamic Radar Cruise Control System >> DTC C1A0A Front Radar Sensor Region Code Mismatch >> Description
April 5, 2026: LEMON Manuals is launched! Read the announcement.

DTC C1A0A Front Radar Sensor Region Code Mismatch: Description

When the front millimeter wave radar sensor is replaced with a new one, it acquires the country specification information from the driving support ECU. Also, when the driving support ECU is replaced with a new one, it receives the country specification information from the combination meter. When the country specification information in the sensor and ECU do not match, DTC C1A0A is output.

DTC DETECTION CONDITION

DTC Code DTC Detection Condition Trouble Area
C1A0A While initial check is running, engine switch is on (IG), country specification information in driving support ECU and front millimeter wave radar sensor do not match for 1 sec.
  • Front millimeter wave radar sensor
  • Combination meter
  • Driving support ECU