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
Multipurpose Camera Unit DTCS
| DTC | Detection Item | Indicator | ||||
|---|---|---|---|---|---|---|
| ACC | CMBS/FCW | LKAS | RDM/LDW | Brake System (Amber) | ||
| B0050-F0 | Driver's Seat Belt Buckle Switch (Subfault) Fault Detection By SRS Unit | ON *5 | OFF | OFF | ON *5 | ON |
| B2A10-14 | Brake Light Drive Relay Circuit Malfunction | ON *5 | ON *5 | OFF | ON *5 | ON |
| B2A60-52 | Dynamic Camera Aiming Incomplete | BLINK | BLINK | BLINK | BLINK | OFF |
| B2A60-54 | Static Camera Aiming Incomplete | BLINK | BLINK | BLINK | BLINK | OFF |
| B2A60-97 | Dust or Dirt On The Camera | OFF | ON | OFF | ON | OFF |
| B2A70-12 | LDW/RDM Switch Signal Circuit Short | OFF | OFF | OFF | ON *5 | ON |
| B2A70-14 | LDW/RDM Switch Signal Circuit Short to Power | OFF | OFF | OFF | ON *5 | ON |
| C0031-62 | Left Front Wheel Speed Sensor Signal Error | ON *5 | ON *5 | OFF | ON *5 | ON |
| C0034-62 | Right Front Wheel Speed Sensor Signal Error | ON *5 | ON *5 | OFF | ON *5 | ON |
| C0037-62 | Left Rear Wheel Speed Sensor Signal Error | ON *5 | ON *5 | OFF | ON *5 | ON |
| C003A-62 | Right Rear Wheel Speed Sensor Signal Error | ON *5 | ON *5 | OFF | ON *5 | ON |
| C0041-14 | Brake Switch Signal Circuit Error | ON *5 | OFF | OFF | ON *5 | ON |
| C0051-54 | Steering Angle Neutral Position Learning Incomplete | OFF | ON *5 | OFF | OFF | ON |
| C0051-62 | Steering Angle Sensor Straight Point Error | OFF | OFF | ON | ON *5 | ON |
| C0051-96 | Steering Angle Sensor Malfunction | OFF | ON *5 | OFF | ON *5 | ON |
| C0062-F0 | Longitudinal Acceleration Sensor (Subfault) Fault Detection By Source Module | ON *5 | OFF | OFF | OFF | ON |
| C0063-27 | Yaw Rate Sensor Gain Error | ON *5 | ON *5 | OFF | ON *5 | ON |
| C0063-28 | Yaw Rate Sensor Center Position Revision Value Error | ON *5 | ON *5 | OFF | ON *5 | ON |
| C0063-62 | Yaw Rate Sensor Stabilizing Malfunction | ON *5 | ON *5 | OFF | ON *5 | ON |
| C0063-96 | Yaw Rate Sensor Diagnose Error | ON *5 | ON *5 | OFF | ON *5 | ON |
| C1040-00 | Wheel Speed Signal Error | OFF | OFF | ON | ON *5 | ON |
| P0564-11 | ACC/LKAS Switch Signal Circuit Short | OFF | OFF | ON | OFF | OFF |
| *1: When the system detects the ACC failure while operating. *2 When the system detects the FCW/CMBS failure while operating. *3: When the system detects the LKAS failure while operating. *4: When the system detects the LDW/RDM failure while operating. *5: When the system detects a problem while operating, the system stops operating, then the system indicator and brake system indicator (amber) stay on. *6: When the system detects the multipurpose camera unit software failure/multipurpose camera unit connector poor connections while operating. *7: When the system detects the image processing part failure in the multipurpose camera unit while operating. |
| DTC | Detection Item | Indicator | ||||
|---|---|---|---|---|---|---|
| ACC | CMBS/FCW | LKAS | RDM/LDW | Brake System (Amber) | ||
| P0564-15 | ACC/LKAS Switch Signal Circuit Open | OFF | OFF | ON | OFF | OFF |
| P0564-F0 | ACC Switch Signal Circuit Error | ON *5 | OFF | OFF | ON *5 | ON |
| P0589-11 | Main Switch Signal Circuit Short | OFF | OFF | ON | OFF | OFF |
| P0589-15 | Main Switch Signal Circuit Open | OFF | OFF | ON | OFF | OFF |
| P0720-62 | Vehicle Speed Signal Error | ON *5 | OFF | OFF | ON *5 | ON |
| P2583-4A | Millimeter Wave Radar Function Error | ON *5 | ON *5 | OFF | ON *5 | ON |
| P2583-54 | Millimeter Wave Radar Aiming Incomplete | BLINK | BLINK | OFF | BLINK | OFF |
| P2583-64 | Millimeter Wave Radar Aiming Error | ON *5 | ON *5 | OFF | ON *5 | ON |
| P2583-87 | Lost Communication With The Millimeter Wave Radar | ON *5 | ON *5 | OFF | ON *5 | ON |
| P2583-92 | CMBS or FCW Over Working | OFF | ON *5 | OFF | OFF | ON |
| P2583-96 | Millimeter Wave Radar Internal Electronic Failure | ON *5 | ON *5 | OFF | ON *5 | ON |
| P2583-97 | Dust or Dirt On The Millimeter Wave Radar | ON *5 | ON *5 | OFF | ON | ON |
| U0029-00 | F-CAN Malfunction (BUS-OFF) | ON *5 | ON *5 | ON | ON *5 | ON |
| U0047-00 | Millimeter Wave Radar Local-CAN Malfunction (BUS-OFF) | ON *5 | ON *5 | ON | ON *5 | ON |
| U0100-00 | Lost Communication With The PCM (PGM-FI System) | ON *5 | ON *5 | ON | ON *5 | ON |
| U0101-00 | Lost Communication With The PCM/TCM | ON *5 | OFF | ON | ON *5 | ON |
| U0122-00 | Lost Communication With The VSA Modulator-Control Unit | ON *5 | ON *5 | ON | ON *5 | ON |
| U0123-00 | Yaw Rate Sensor Circuit Error | ON *5 | ON *5 | OFF | ON *5 | ON |
| U0128-00 | Lost Communication With The Electric Parking Brake Control Unit | ON *5 | OFF | OFF | ON *5 | ON |
| U0129-00 | Lost Communication With The Electric Servo Brake Control Unit | ON *5 | OFF | OFF | ON *5 | ON |
| U0131-00 | Lost Communication With The EPS Control Unit | OFF | ON *5 | ON | ON *5 | ON |
| U0151-00 | Lost Communication With The SRS Unit | ON *5 | OFF | OFF | ON *5 | ON |
| U0155-00 | Lost Communication With The Gauge Control Module | ON *5 | ON *5 | ON | ON *5 | ON |
| U0401-68 *1 | PCM (PGM-FI System) Malfunction | ON *5 | OFF | OFF | ON *5 | ON |
| U0401-68 *4 | PCM (PGM-FI System) Malfunction | OFF | OFF | OFF | ON *5 | ON |
| U0402-68 | PCM/TCM Malfunction | ON *5 | OFF | OFF | ON *5 | ON |
| *1: When the system detects the ACC failure while operating. *2 When the system detects the FCW/CMBS failure while operating. *3: When the system detects the LKAS failure while operating. *4: When the system detects the LDW/RDM failure while operating. *5: When the system detects a problem while operating, the system stops operating, then the system indicator and brake system indicator (amber) stay on. *6: When the system detects the multipurpose camera unit software failure/multipurpose camera unit connector poor connections while operating. *7: When the system detects the image processing part failure in the multipurpose camera unit while operating. |
| DTC | Detection Item | Indicator | ||||
|---|---|---|---|---|---|---|
| ACC | CMBS/FCW | LKAS | RDM/LDW | Brake System (Amber) | ||
| U0415-68 | ABS Brake Actuator Malfunction | ON *5 | ON *5 | OFF | ON *5 | ON |
| U0416-68 *1 | VSA Brake Actuator Malfunction | ON *5 | OFF | OFF | ON *5 | ON |
| U0416-68 *3 | VSA Brake Actuator Malfunction | OFF | OFF | OFF | ON *5 | ON |
| U0416-F8 *2 | VSA Modulator-Control Unit Malfunction | OFF | ON *5 | OFF | OFF | ON |
| U0416-F8 *4 | VSA Modulator-Control Unit Malfunction | OFF | OFF | OFF | ON *5 | ON |
| U0417-68 | Electric Parking Brake Control Unit Malfunction | ON *5 | OFF | OFF | ON *5 | ON |
| U0418-68 | Electric Servo Brake System Malfunction | ON *5 | ON *5 | OFF | ON *5 | ON |
| U0420-68 | EPS Control Unit Malfunction | OFF | ON *5 | ON | ON *5 | ON |
| U0423-68 | Gauge Control Module Malfunction | OFF | OFF | OFF | ON *5 | ON |
| U3000-49 *6 | Multipurpose Camera Unit Internal Electronic Failure | ON *5 | ON *5 | ON | ON *5 | ON |
| U3000-49 *7 | Multipurpose Camera Unit Internal Electronic Failure | OFF | ON | OFF | ON | OFF |
| U3000-51 | Multipurpose Camera Unit Update Incomplete | ON | ON | ON | ON | ON |
| *1: When the system detects the ACC failure while operating. *2 When the system detects the FCW/CMBS failure while operating. *3: When the system detects the LKAS failure while operating. *4: When the system detects the LDW/RDM failure while operating. *5: When the system detects a problem while operating, the system stops operating, then the system indicator and brake system indicator (amber) stay on. *6: When the system detects the multipurpose camera unit software failure/multipurpose camera unit connector poor connections while operating. *7: When the system detects the image processing part failure in the multipurpose camera unit while operating. |
Factory Service Tools
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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.
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