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 MANUALSHONDA2008CIVIC SI, 4D SEDANREPAIR AND DIAGNOSISACCESSORIES & EQUIPMENTWARNING SYSTEMSTIRE PRESSURE MONITORING SYSTEM (EXCEPT HYBRID)DTC TROUBLESHOOTING INDEX
2008 Honda Civic Si, 4D Sedan
DTC Troubleshooting Index
2008 Honda Civic Si, 4D SedanSECTION DTC Troubleshooting Index
DTC TROUBLESHOOTING CHART
| DTC | Detection Item |
|---|---|
| 11 | Tire 1 Low Air Pressure |
| 13 | Tire 2 Low Air Pressure |
| 15 | Tire 3 Low Air Pressure |
| 17 | Tire 4 Low Air Pressure |
| 21 | Tire 1 Pressure Sensor Abnormally High Temperature |
| 22 | Tire 2 Pressure Sensor Abnormally High Temperature |
| 23 | Tire 3 Pressure Sensor Abnormally High Temperature |
| 24 | Tire 4 Pressure Sensor Abnormally High Temperature |
| 31 | Tire 1 Pressure Sensor Low Battery Voltage |
| 32 | Tire 1 Pressure Sensor Transmission Failure |
| 33 | Tire 2 Pressure Sensor Low Battery Voltage |
| 34 | Tire 2 Pressure Sensor Transmission Failure |
| 35 | Tire 3 Pressure Sensor Low Battery Voltage |
| 36 | Tire 3 Pressure Sensor Transmission Failure |
| 37 | Tire 4 Pressure Sensor Low Battery Voltage |
| 38 | Tire 4 Pressure Sensor Transmission Failure |
| 41 | Abnormal Signal Reception Error |
| 51 | Tire 1 Pressure Sensor Registration Error |
| 53 | Tire 2 Pressure Sensor Registration Error |
| 55 | Tire 3 Pressure Sensor Registration Error |
| 57 | Tire 4 Pressure Sensor Registration Error |
| 81 | TPMS Control Unit Failure |
| 83 | No VSP Signal |
| 85 | F-CAN Communication Failure |
| 91 | Tire 1 Pressure Sensor Internal Error |
| 93 | Tire 2 Pressure Sensor Internal Error |
| 95 | Tire 3 Pressure Sensor Internal Error |
| 97 | Tire 4 Pressure Sensor Internal Error |
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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.