Lexus ES: Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART
Front Radar Sensor System
DTC No. | Detection Item | Link |
C1A1100 | Front Radar Sensor Optical Axis Misalignment Malfunction | |
C1A8C46 | Main Microcomputer in Front Radar Sensor Calibration/Parameter Memory Failure | |
C1A8D1C | Power Supply Circuit in Front Radar Sensor Circuit Voltage Out of Range | |
C1A9000 | Malfunction of Millimeter-wave Circuit in Front Radar Sensor | |
C1A9100 | Malfunction of Acceleration Sensor in Front Radar Sensor | |
U010487 | Lost Communication with Cruise Control Module Missing Message | |
U030557 | Software Incompatibility with Cruise Control Module Invalid/Incompatible Software Component | |
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VEHICLE CONTROL HISTORY NOTICE: When checking the Vehicle Control History, make sure to record the output codes. Then, clear the Vehicle Control History (RoB) and check it again. CHECK VEHICLE CONTROL
DESCRIPTION The millimeter wave radar sensor assembly performs self-diagnosis to check for misalignment of its beam axis. If misalignment is detected, the millimeter wave radar sensor assembly stores
DESCRIPTION When an internal malfunction is detected in the millimeter wave radar sensor assembly, a DTC is stored. DTC No. Detection Item DTC Detection Condition Trouble Area C1A8C46 M
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DESCRIPTION The flow shutting valve (for heater control) used for the variable cooling system is a magnet type valve that is closed when the engine is warming up to prevent coolant from flowing through the heater passage which reduces engine warm up time. DTC No. Detection Item DTC Detection
CAUTION / NOTICE / HINT NOTICE:
Depending on the parts that are replaced during vehicle inspection or maintenance, performing initialization, registration or calibration may be needed. Refer to Precaution for Audio and Visual System.
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When replacing the radio receiver assembly, alw
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