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.
2003 Honda Pilot EXFACTORY OEM SERVICE PROCEDURE
Diagnostic Trouble Code Definitions
NOTE:
The troubleshooting flowchart procedures assume that the cause of the problem is still present and the ABS indicator is still on. Following the flowchart when the ABS indicator does not come on can result in incorrect diagnosis.
DIAGNOSTIC TROUBLE CODE DEFINITIONS
| DTC | Description |
|---|---|
| 11 | Right-Front Wheel Sensor (Open/Short To Body Ground/Short To Power) |
| 12 | Faulty Right-Front Wheel Sensor |
| 13 | Left-Front Wheel Sensor (Open/Short To Body Ground/Short To Power) |
| 14 | Faulty Left-Front Wheel Sensor |
| 15 | Right-Rear Wheel Sensor (Open/Short To Body Ground/Short To Power) |
| 16 | Faulty Right-Rear Wheel Sensor |
| 17 | Left-Rear Wheel Sensor (Open/Short To Body Ground/Short To Power) |
| 18 | Faulty Left-Rear Wheel Sensor |
| 21 | Continuous Operation (Chipped Pulser) |
| 31 | Solenoid |
| 32 | Solenoid |
| 33 | Solenoid |
| 34 | Solenoid |
| 35 | Solenoid |
| 36 | Solenoid |
| 37 | Solenoid |
| 38 | Solenoid |
| 51 | Motor Locked |
| 52 | Motor Stuck OFF |
| 53 | Motor Stuck ON |
| 54 | Main Relay Stuck OFF |
| 61 | IG2 Voltage |
| 81 | CPU (Central Processing Unit) |
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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