SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSACURA2023MDX BASEREPAIR AND DIAGNOSISSTEERINGPOWER STEERINGSTEERING SYSTEM - TROUBLESHOOTINGDTC TROUBLESHOOTING INDEXEPS DTC TROUBLESHOOTING INDEX (2025)
2023 Acura MDX Base

EPS DTC Troubleshooting Index (2025)

2023 Acura MDX BaseSECTION EPS DTC Troubleshooting Index (2025)
DTC  Detection Item 
C0063-83 ECU Key Not Registered (SRS Unit)
C0063-96 Yaw-Rate Sensor Malfunction
C1400-11 - Refer to: DTC Troubleshooting: C1400-11, C1400-13, C1400-14, C1400-96, C1403-29, C1403-62, C1403-96, C1421-14, C1433-62 (2025) or DTC Troubleshooting: C1400-11, C1400-13, C1400-14, C1400-96, C1403-29, C1403-62, C1421-14, C1422-14 (2022-24) Motor Current Malfunction
C1400-13 - Refer to: DTC Troubleshooting: C1400-11, C1400-13, C1400-14, C1400-96, C1403-29, C1403-62, C1403-96, C1421-14, C1433-62 (2025) or DTC Troubleshooting: C1400-11, C1400-13, C1400-14, C1400-96, C1403-29, C1403-62, C1421-14, C1422-14 (2022-24) EPS Motor Circuit Open
C1400-14 - Refer to: DTC Troubleshooting: C1400-11, C1400-13, C1400-14, C1400-96, C1403-29, C1403-62, C1403-96, C1421-14, C1433-62 (2025) or DTC Troubleshooting: C1400-11, C1400-13, C1400-14, C1400-96, C1403-29, C1403-62, C1421-14, C1422-14 (2022-24) Motor Voltage Malfunction
C1400-96 - Refer to: DTC Troubleshooting: C1400-11, C1400-13, C1400-14, C1400-96, C1403-29, C1403-62, C1403-96, C1421-14, C1433-62 (2025) or DTC Troubleshooting: C1400-11, C1400-13, C1400-14, C1400-96, C1403-29, C1403-62, C1421-14, C1422-14 (2022-24) EPS Motor Malfunction
C1403-29 - Refer to: DTC Troubleshooting: C1400-11, C1400-13, C1400-14, C1400-96, C1403-29, C1403-62, C1403-96, C1421-14, C1433-62 (2025) or DTC Troubleshooting: C1400-11, C1400-13, C1400-14, C1400-96, C1403-29, C1403-62, C1421-14, C1422-14 (2022-24) Motor Angle Sensor(SIN/COS)Signals Incorrect Correlation
C1403-62 - Refer to: DTC Troubleshooting: C1400-11, C1400-13, C1400-14, C1400-96, C1403-29, C1403-62, C1403-96, C1421-14, C1433-62 (2025) or DTC Troubleshooting: C1400-11, C1400-13, C1400-14, C1400-96, C1403-29, C1403-62, C1421-14, C1422-14 (2022-24) EPS Motor Rotor Position Sensor/EPS Motor Redundant Position Sensor Malfunction
C1403-96 - Refer to: DTC Troubleshooting: C1400-11, C1400-13, C1400-14, C1400-96, C1403-29, C1403-62, C1403-96, C1421-14, C1433-62 (2025) or DTC Troubleshooting: C1400-11, C1400-13, C1400-14, C1400-96, C1403-29, C1403-62, C1421-14, C1422-14 (2022-24) EPS Motor Rotor Position Sensor Malfunction
C1410-98 ECU Internal Malfunction (Temperature too High)
C1420-29 - Refer to: DTC Troubleshooting: C1420-29 (2025) or DTC Troubleshooting: C1420-29, C1422-29 (2022-24) Main Torque Sensor and Sub Torque Sensor Incorrect Correlation
C1421-14 - Refer to: DTC Troubleshooting: C1400-11, C1400-13, C1400-14, C1400-96, C1403-29, C1403-62, C1403-96, C1421-14, C1433-62 (2025) or DTC Troubleshooting: C1400-11, C1400-13, C1400-14, C1400-96, C1403-29, C1403-62, C1421-14, C1422-14 (2022-24) Main Torque Sensor Malfunction
C1432-62 Vehicle Speed and the Engine Speed Incorrect Correlation
C1433-62 - Refer to: DTC Troubleshooting: C1400-11, C1400-13, C1400-14, C1400-96, C1403-29, C1403-62, C1403-96, C1421-14, C1433-62 (2025) or DTC Troubleshooting: C1400-11, C1400-13, C1400-14, C1400-96, C1403-29, C1403-62, C1421-14, C1422-14 (2022-24) EPS Control Unit Internal Temperature Sensor Range/Performance Problem
U0029-00 - Refer to: DTC Troubleshooting: U0029-00(EPS Control Unit) (2022-24) or DTC Troubleshooting: U0029-00(EPS Control Unit) (2025) F-CAN Malfunction (Bus-Off)
U0100-00 F-CAN Malfunction (EPS Control Unit-PCM/TCM)
U0104-00 - Refer to: DTC Troubleshooting: U0104-00(With Integrated Driver Support System (Camera and Five Radars) (EPS Control Unit)) (2025) or DTC Troubleshooting: U0104-00(With Integrated Driver Support System (EPS Control Unit)) (2025) F-CAN Malfunction (EPS Control Unit-Driving Support System Control Unit)
U0122-00 F-CAN Malfunction (EPS Control Unit-VSA/ABS Modulator-Control Unit)
U0146-00 F-CAN Malfunction (EPS Control Unit-CAN Gateway Unit)
U0151-00 F-CAN Malfunction (EPS Control Unit-SRS Unit)
U0155-00 F-CAN Malfunction (EPS Control Unit-Gauge Control Module)
U0400-66 Incorrect Signal Detection (External Intrusion)
U0416-68 (VSA System Malfunction)
U0416-83 ECU Key Authentication Mismatch (With VSA)
U0423-68 (Wiper Switch Malfunction Signal Received)
U0452-83 ECU Key Authentication Mismatch (With SRS)
U129C-00 - Refer to: DTC Troubleshooting: U129C-00(With Integrated Driver Support System (EPS Control Unit)) (2025) or DTC Troubleshooting: U129C-00(With Integrated Driver Support System (Camera and Five Radars) (EPS Control Unit)) (2025) or DTC Troubleshooting: U129C-00(EPS Control Unit) (2022-24) F-CAN Malfunction (EPS Control Unit-Driving Support System Control Unit)
U1483-68 (LKAS Malfunction (Indicator value check))
U1483-94 (LKAS Malfunction)
U3000-49 EPS Control Unit Internal Circuit Malfunction
U3000-51 ECU Software Update Failure
U3000-55 EPS Control Unit Internal Malfunction
U3000-83 ECU Key Not Registered
U3003-16 - Refer to: DTC Troubleshooting: U3003-16(EPS Control Unit (3. 5L Engine)) (2022-25) or DTC Troubleshooting: U3003-16(EPS Control Unit (3. 0L Engine)) (2022-25) Battery Voltage Low
U3003-17 Battery Voltage High
RENDER: 1.0x

NO RELATED

Recommended Tools & Savings

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Affiliate disclosure: We may earn a commission at no extra cost to you.

Shop Manual-Ready ToolsFree Quote CheckQuote Shield Pro

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.