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.
2021 Honda Clarity Plug-In HybridFACTORY OEM SERVICE PROCEDURE
Electronic Power Steering System DTCS
| DTC | Detection Item | |
|---|---|---|
| C0037 | -F0 | Left Rear Wheel Speed Sensor Malfunction |
| C003A | -F0 | Right Rear Wheel Speed Sensor Malfunction |
| C0062 | -96 | Longitudinal Acceleration Sensor Malfunction |
| C0063 | -96 | Yaw-Rate Sensor Malfunction |
| C1400 | -11 | Motor Current Malfunction |
| -13 | EPS Motor Circuit Open | |
| -14 | Motor Voltage Malfunction | |
| C1403 | -14 | Motor Angle Sensor (SIN/COS)Signals Incorrect |
| -29 | Motor Angle Sensor (SIN/COS)Signals Incorrect Correlation | |
| C1420 | -29 | Main Torque Sensor and Sub Torque Sensor Incorrect Correlation |
| C1421 | -14 | Main Torque Sensor Malfunction |
| C1422 | -14 | Sub Torque Sensor Malfunction |
| C1423 | -14 | Torque Sensor Power Source Circuit Malfunction |
| C1432 | -62 | Vehicle Speed and the Engine Speed Incorrect Correlation |
| U0029 | -00 | F-CAN Malfunction (Bus-Off) |
| U0100 | -00 | F-CAN Malfunction (EPS Control Unit-PCM/TCM) |
| U0122 | -00 | F-CAN Malfunction (EPS Control Unit-VSA/ABS Modulator-Control Unit) |
| U0151 | -00 | F-CAN Malfunction (EPS Control Unit-SRS Unit) |
| U0416 | -68 | VSA System Malfunction |
| U129C | -00 | F-CAN Malfunction (EPS Control Unit-Driving Support System Control Unit) |
| U1483 | -68 | LKAS Malfunction (Indicator value check) |
| -94 | LKAS Malfunction | |
| U3000 | -49 | EPS Control Unit Internal Circuit Malfunction |
| -51 | ECU Software Update Failure | |
| -55 | EPS Control Unit Internal Malfunction | |
| U3003 | -16 | Battery Voltage Low |
| -17 | Battery Voltage High | |
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.
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.
Rather have a pro handle this?
A certified mobile mechanic comes to your home or office. They bring the tools, you stay comfortable. No tow truck, no waiting room, no surprises.
Comes to youSame-day available12-month warranty
Get a Free QuoteNo obligation. See pricing before you book.