LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Toyota >> 2021 >> Prius Prime LE >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Collision/Avoidance >> Dynamic Radar Cruise Control System - Diagnostics - Introduction >> Dynamic Radar Cruise Control System >> Diagnostic Trouble Code Chart [05/2019 - 07/2020] >> Diagnostic Trouble Code Chart [05/2019 - 07/2020]
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Diagnostic Trouble Code Chart [05/2019 - 07/2020]

DYNAMIC RADAR CRUISE CONTROL SYSTEM

DTC No. Detection Item MIL Link
C1A01 Driving Support ECU Does not come on Refer to DTC C1A01: Driving Support ECU [09/2016 - 07/2020]
C1A02 Vehicle Information Not Obtained Does not come on Refer to DTC C1A02: Vehicle Information Not Obtained [09/2016 - 07/2020]
C1A0A Front Radar Sensor Region Code Mismatch Does not come on Refer to DTC C1A0A: Front Radar Sensor Region Code Mismatch [09/2016 - 07/2020]
C1A10 Front Radar Sensor Does not come on Refer to DTC C1A10: Front Radar Sensor [09/2016 - 07/2020]
C1A11 Front Radar Sensor Incorrect Axial Gap Does not come on Refer to DTC C1A11: Front Radar Sensor Incorrect Axial Gap; DTC C1A14: Front Radar Sensor Beam Axis Not Adjusted [09/2016 - 07/2020]
C1A14 Front Radar Sensor Beam Axis Not Adjusted Does not come on Refer to DTC C1A11: Front Radar Sensor Incorrect Axial Gap; DTC C1A14: Front Radar Sensor Beam Axis Not Adjusted [09/2016 - 07/2020]
C1A52 Driving Support ECU Communication Abnormal Does not come on Refer to DTC C1A52: Driving Support ECU Communication Abnormal [09/2016 - 07/2020]
P057113 Brake Switch "A" Circuit Open Does not come on Refer to DTC P0571-13: Brake Switch "A" Circuit Open [05/2019 - 07/2020]
P057162 Brake Switch "A" Signal Compare Failure Does not come on Refer to DTC P0571-62: Brake Switch "A" Signal Compare Failure [05/2019 - 07/2020]
P057504 Cruise Control System Internal Failure Does not come on Refer to DTC P0575-04: Cruise Control System Internal Failure; DTC P057549: Cruise Control Internal Electronic Failure [09/2016 - 07/2020]
P057549 Cruise Control Internal Electronic Failure Does not come on Refer to DTC P0575-04: Cruise Control System Internal Failure; DTC P057549: Cruise Control Internal Electronic Failure [09/2016 - 07/2020]
P157800 Brake System Does not come on Refer to DTC P1578-00: Brake System [09/2016 - 07/2020]
P160700 Cruise Control Input Processor Comes on Refer to DTC P1607-00: Cruise Control Input Processor [09/2016 - 07/2020]
P163081 Communication Error from VSC to ECM Invalid Serial Data Received Does not come on Refer to DTC P1630-81: Communication Error from VSC to ECM Invalid Serial Data Received [09/2016 - 07/2020]
P163181 Communication Error from ECM to VSC Invalid Serial Data Received Does not come on Refer to DTC P1631-81: Communication Error from ECM to VSC Invalid Serial Data Received [09/2016 - 07/2020]
U010487 Lost Communication with Cruise Control Module Missing Message Does not come on Refer to DTC U0104-87: Lost Communication with Cruise Control Module Missing Message; DTC U012287: Lost Communication with Vehicle Dynamics Control Module Missing Message; DTC U029387: Lost Communication With Hybrid Powertrain Control Module Missing Message [01/2018 - 07/2020]
U012287 Lost Communication with Vehicle Dynamics Control Module Missing Message Does not come on Refer to DTC U0104-87: Lost Communication with Cruise Control Module Missing Message; DTC U012287: Lost Communication with Vehicle Dynamics Control Module Missing Message; DTC U029387: Lost Communication With Hybrid Powertrain Control Module Missing Message [01/2018 - 07/2020]
U0125 Lost Communication with Yaw Rate Sensor Module Does not come on Refer to DTC U0125: Lost Communication with Yaw Rate Sensor Module; DTC U0126: Lost Communication with Steering Angle Sensor Module; DTC U0129: Lost Communication with Brake System Control Module; DTC U0293: Lost Communication with Hybrid Vehicle Control System [09/2016 - 07/2020]
U0126 Lost Communication with Steering Angle Sensor Module Does not come on Refer to DTC U0125: Lost Communication with Yaw Rate Sensor Module; DTC U0126: Lost Communication with Steering Angle Sensor Module; DTC U0129: Lost Communication with Brake System Control Module; DTC U0293: Lost Communication with Hybrid Vehicle Control System [09/2016 - 07/2020]
U0129 Lost Communication with Brake System Control Module Does not come on Refer to DTC U0125: Lost Communication with Yaw Rate Sensor Module; DTC U0126: Lost Communication with Steering Angle Sensor Module; DTC U0129: Lost Communication with Brake System Control Module; DTC U0293: Lost Communication with Hybrid Vehicle Control System [09/2016 - 07/2020]
U0235 Lost Communication with Cruise Control Front Distance Range Sensor Does not come on Refer to DTC U0235: Lost Communication with Cruise Control Front Distance Range Sensor; DTC U1104: Lost Communication with Driving Support ECU [09/2016 - 07/2020]
U0293 Lost Communication with Hybrid Vehicle Control System Does not come on Refer to DTC U0125: Lost Communication with Yaw Rate Sensor Module; DTC U0126: Lost Communication with Steering Angle Sensor Module; DTC U0129: Lost Communication with Brake System Control Module; DTC U0293: Lost Communication with Hybrid Vehicle Control System [09/2016 - 07/2020]
U029387 Lost Communication With Hybrid Powertrain Control Module Missing Message Does not come on Refer to DTC U0104-87: Lost Communication with Cruise Control Module Missing Message; DTC U012287: Lost Communication with Vehicle Dynamics Control Module Missing Message; DTC U029387: Lost Communication With Hybrid Powertrain Control Module Missing Message [01/2018 - 07/2020]
U1104 Lost Communication with Driving Support ECU Does not come on Refer to DTC U0235: Lost Communication with Cruise Control Front Distance Range Sensor; DTC U1104: Lost Communication with Driving Support ECU [09/2016 - 07/2020]