Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSACURA2023RDX BASEREPAIR AND DIAGNOSIS (SINGLE PAGE)ACCESSORIES & EQUIPMENTCRUISE CONTROL SYSTEMSCRUISE CONTROL SYSTEM - DIAGNOSTICS
2023 Acura RDX Base
Cruise Control System - Diagnostics
2023 Acura RDX BaseSECTION Cruise Control System - Diagnostics
- How to Information
- How to Troubleshoot the Adaptive Cruise Control (ACC) (2019 2020 2021)
- Before Troubleshooting
- System Indicator
- How to Read DTCs with the HDS
- ACC Activation Indicator (Green)
- Self-Diagnostic Function
- Millimeter Wave Radar
- Dirt or Dust Detective Function (Clean Millimeter Wave Radar Indication)
- Millimeter Wave Radar Aiming
- Multipurpose Camera Unit
- Multipurpose Camera Aiming Function
- CAN Communication
- How to Troubleshoot DTCs
- How to Troubleshoot the Collision Mitigation Braking System (CMBS) (2019 2020 2021)
- Before Troubleshooting
- System Indicator
- How to Read DTCs with the HDS
- Self-Diagnostic Function
- CMBS OFF Switch
- CMBS Indication
- Millimeter Wave Radar
- Dirt or Dust Detective Function (Clean Millimeter Wave Radar Indication)
- Millimeter Wave Radar Aiming
- Multipurpose Camera Unit
- Dirt or Dust Detective Function (CLEAN FRONT WINDSHIELD Indication)
- System Protect Function (High Temperature) (MULTIPURPOSE CAMERA HOT Indication)
- Multipurpose Camera Aiming Function
- CAN Communication
- How to Troubleshoot DTCs
- How to Troubleshoot the Collision Mitigation Braking System (CMBS) (2022 2023)
- Before Troubleshooting
- System Indicator
- Safety Support Information
- How to Read DTCs with the HDS
- Self-Diagnostic Function
- CMBS Off
- CMBS Indication
- Millimeter Wave Radar
- Dirt or Dust Detective Function (Clean Millimeter Wave Radar Indication)
- Millimeter Wave Radar Aiming
- Multipurpose Camera Unit
- Dirt or Dust Detective Function (CLEAN FRONT WINDSHIELD Indication)
- System Protect Function (High Temperature) (MULTIPURPOSE CAMERA HOT Indication)
- Multipurpose Camera Aiming Function
- CAN Communication
- How to Troubleshoot DTCs
- How to Troubleshoot the Lane Keeping Assist System (LKAS) (2019 2020 2021)
- Before Troubleshooting
- System Indicator
- LKAS Activation Indicator (Green)
- How to Read DTCs with the HDS
- Self-Diagnostic Function
- Millimeter Wave Radar
- Multipurpose Camera Unit
- Dirt or Dust Detective Function (CLEAN FRONT WINDSHIELD Indication)
- System Protect Function (High Temperature) (MULTIPURPOSE CAMERA HOT Indication)
- Multipurpose Camera Aiming Function
- CAN Communication
- How to Troubleshoot DTCs
- How to Troubleshoot the Adaptive Cruise Control (ACC) (2019 2020 2021)
- DTC Troubleshooting
- DTC B0050-F0, C0061-F0, C0062-F0 (Millimeter Wave Radar)
- DTC B2A00-92
- DTC B2A60-49, B2A60-96
- DTC B2A60-54
- DTC B2A60-57, U1387-55 (Millimeter Wave Radar)
- DTC B2A60-97
- DTC B2A60-98
- DTC B2A60-99
- DTC B2A60-A2
- DTC B2A60-A3
- DTC B2A70-12
- DTC B2A70-14
- DTC C0023-F0, C0044-F0, U0416-68, U0416-F8 (Millimeter Wave Radar)
- DTC C0031-62, C0034-62, C0037-62, C003A-62 (Millimeter Wave Radar)
- DTC C0051-54 (Millimeter Wave Radar)
- DTC C0051-96 (Millimeter Wave Radar)
- DTC C0061-9A, C0062-9A, C0063-9A
- DTC C0063-F0 (Millimeter Wave Radar)
- DTC C1040-00
- DTC C1C00-F0, U0401-68 (Millimeter Wave Radar)
- DTC P0564-11
- DTC P0564-15
- DTC P0589-11
- DTC P0589-15
- DTC P2583-49, U3000-49, U3000-57 (Millimeter Wave Radar)
- DTC P2583-54
- DTC P2583-76
- DTC P2583-92
- DTC P2583-97
- DTC P2583-98
- DTC P2583-9A
- DTC U0029-00 (Millimeter Wave Radar)
- DTC U0029-F1 (Millimeter Wave Radar)
- DTC U0047-00, U12B7-00 (Millimeter Wave Radar)
- DTC U0047-F1 (Millimeter Wave Radar)
- DTC U0100-00, U0101-00, U0122-00, U0128-00, U0129-00, U0131-00, U0151-00, U0155-00, U0126-00 (Millimeter Wave Radar)
- Notes
- Overview
- Inspection Area
- Inspection Outline
- Confirmation Procedure
- Related Information
- HDS Function
- Inspection
- Communication (F-CAN E_H), Communication (F-CAN E_L) Open Wire Inspection
- Communication (F-CAN) Open Wire Inspection - For DTC U0100: F-CAN A_H, F-CAN A_L, F-CAN B_H, F-CAN B_L
- Communication (F-CAN) Open Wire Inspection - For DTC U0101: F-CAN A_H, F-CAN A_L, F-CAN B_H, F-CAN B_L
- Communication (F-CAN) Open Wire Inspection - For DTC U0122: F-CAN B_H, F-CAN B_L, F-CAN C_H, F-CAN C_L
- Communication (F-CAN) Open Wire Inspection - For DTC U0126-00: F-CAN C_H, F-CAN C_L
- Communication (F-CAN) Open Wire Inspection - For DTC U0128: F-CAN B_H, F-CAN B_L, F-CAN C_H, F-CAN C_L
- Communication (F-CAN) Open Wire Inspection - For DTC U0129: F-CAN B_H, F-CAN B_L, F-CAN C_H, F-CAN C_L
- Communication (F-CAN) Open Wire Inspection - For DTC U0131: F-CAN C_H, F-CAN C_L
- Communication (F-CAN) Open Wire Inspection - For DTC U0151: F-CAN C_H, F-CAN C_L
- Communication (F-CAN) Open Wire Inspection - For DTC U0155: F-CAN D_H, F-CAN D_L
- Millimeter Wave Radar Inspection
- Transmitting Control Unit Inspection
- DTC U0100-F1, U0101-F1, U0122-F1, U0129-F1, U0131-F1, U0151-F1, U0155-F1, U0126-F1 (Millimeter Wave Radar)
- Notes
- Overview
- Inspection Area
- Inspection Outline
- Confirmation Procedure
- Related Information
- HDS Function
- Inspection
- Communication (F-CAN E_H), Communication (F-CAN E_L) Open Wire Inspection
- Communication (F-CAN) Open Wire Inspection - For DTC U0100: F-CAN A_H, F-CAN A_L, F-CAN B_H, F-CAN B_L
- Communication (F-CAN) Open Wire Inspection - For DTC U0101: F-CAN A_H, F-CAN A_L, F-CAN B_H, F-CAN B_L
- Communication (F-CAN) Open Wire Inspection - For DTC U0122: F-CAN B_H, F-CAN B_L, F-CAN C_H, F-CAN C_L
- Communication (F-CAN) Open Wire Inspection - For DTC U0126-F1: F-CAN C_H, F-CAN C_L
- Communication (F-CAN) Open Wire Inspection - For DTC U0129: F-CAN B_H, F-CAN B_L, F-CAN C_H, F-CAN C_L
- Communication (F-CAN) Open Wire Inspection - For DTC U0131: F-CAN C_H, F-CAN C_L
- Communication (F-CAN) Open Wire Inspection - For DTC U0151: F-CAN C_H, F-CAN C_L
- Multipurpose Camera Unit Inspection
- Transmitting Control Unit Inspection
- DTC U0401-53, U0401-92 (Millimeter Wave Radar)
- DTC U0402-68 (Millimeter Wave Radar)
- DTC U0416-92, U0416-9A (Millimeter Wave Radar)
- DTC U0417-68 (Millimeter Wave Radar)
- DTC U0418-68 (Millimeter Wave Radar)
- DTC U0418-9A (Millimeter Wave Radar)
- DTC U0420-68 (Millimeter Wave Radar)
- DTC U0423-68, U1280-00, U1281-00, U128C-00 (Millimeter Wave Radar)
- DTC U1387-4A (Millimeter Wave Radar)
- DTC U3000-51 (Millimeter Wave Radar)
- DTC U3000-55 (Millimeter Wave Radar)
- DTC U3006-16 (Millimeter Wave Radar)
- DTC U3006-17 (Millimeter Wave Radar)
- DTC Troubleshooting Index
RENDER: 1.0x
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.