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 MANUALSHONDA2002CIVIC SIREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 167 (HEATING/AIR CONDITIONING)DTC
2002 Honda Civic Si
Section 167 (Heating/Air Conditioning): DTC
2002 Honda Civic SiSECTION DTC
WARNING: This page is about a different car, the 2006 Honda Odyssey and 2005 Honda Odyssey. However, it is still accessible from the selected car via links, so may be relevant.
DTC INDEX
| DTC | Description |
|---|---|
| DTC B1231 or DTC indicator 7 | An Open in the Evaporator Temperature Sensor Circuit |
| DTC B1232 or DTC indicator 8 | A Short in the Evaporator Temperature Sensor Circuit |
| DTC B1233 or DTC indicator 1 | An Open in the Air Mix Control Motor Circuit |
| DTC B1234 or DTC indicator 2 | A Short in the Air Mix Control Motor Circuit |
| DTC B1235 or DTC indicator 3 | A Problem in the Air Mix Control Linkage, Door, or Motor |
| DTC B1239 or DTC indicator 4 | An Open or Short in the Mode Control Motor Circuit |
| DTC B1240 or DTC indicator 5 | A Problem in the Mode Control Linkage, Doors, or Motor |
| DTC B1241 or DTC indicator 6 | A Problem in the Blower Motor Circuit |
| DTC B1244 or DTC indicator 9 | An Open in the Rear Air Mix Control Motor Circuit |
| DTC B1245 or DTC indicator 10 | A Short in the Rear Air Mix Control Motor Circuit |
| DTC B1246 or DTC indicator 11 | A Problem in the Rear Air Mix Control Linkage, Door, or Motor |
| DTC B1221 or DTC indicator 12 | An Open in the Rear Mode Control Motor Circuit |
| DTC B1247 or DTC indicator 12 or 13 | An Open or Short in the Rear Mode Control Motor Circuit |
| DTC B1248 or DTC indicator 14 | A Problem in the Rear Mode Control Linkage, Doors, or Motor |
| DTC B1223 or DTC indicator 15 | A Problem in the Rear Blower Motor Circuit |
| DTC B1202 | A/C Control Panel Internal Error |
| DTC B1205 | A/C Control Panel Lost Communication with Gauge Control Module (VSP/NE message) |
| DTC B1206 | A/C Control Panel Lost Communication with Gauge Control Module (ENGTEMP message) |
| DTC B1207 | A/C Control Panel Lost Communication with Gauge Control Module (ILLUMI message) |
RENDER: 1.0x
NO RELATED
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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.