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.
2014 Honda Pilot EX, FWDFACTORY OEM SERVICE PROCEDURE
Climate Control DTCS
CLIMATE CONTROL DIAGNOSTIC TROUBLE CODES (DTC) IDENTIFICATION
| DTC | Description |
|---|---|
| DTC U1281 | Climate Control Unit Lost Communication with MICU (WIPSW message) |
| DTC U128D | Climate Control Unit Lost Communication with Gauge Control Module |
| DTC U1290 | Climate Control Unit Lost Communication With Seat Heater Control Unit |
| DTC B1213 | An Open in the Rear Evaporator Temperature Sensor Circuit |
| DTC B1214 | A Short in the Rear Evaporator Temperature Sensor Circuit |
| DTC B1215 | An Open or Short in the Recirculation Control Motor Circuit |
| DTC B121D | Humidity/in-car temperature Sensor Communication Error (An Open or Short in the Humidity Sensor Circuit) |
| DTC B1223 | A Problem in the Rear Blower Motor Circuit |
| DTC B1225 | An Open in the In-Car Temperature Sensor Circuit |
| DTC B1226 | A Short in the In-Car Temperature Sensor Circuit |
| DTC B1227 | An Open in the Outside Air Temperature Sensor Circuit |
| DTC B1228 | A Short in the Outside Air Temperature Sensor Circuit |
| DTC B1229 | An Open in the Sunlight Sensor Circuit |
| DTC B1230 | A Short in the Sunlight Sensor Circuit |
| DTC B1231 | An Open in the Evaporator Temperature Sensor Circuit (Front) |
| DTC B1232 | A Short in the Evaporator Temperature Sensor Circuit (Front) |
| DTC B1233 | An Open in the Air Mix Control Motor Circuit (Driver's) |
| DTC B1234 | A Short in the Air Mix Control Motor Circuit (Driver's) |
| DTC B1235 | A Problem in the Air Mix Control Motor Circuit, Linkage, Door, or Motor (Driver's) |
| DTC B1236 | An Open in the Passenger's Air Mix Control Motor Circuit |
| DTC B1237 | A Short in the Passenger's Air Mix Control Motor Circuit |
| DTC B1238 | A Problem in the Passenger's Air Mix Control Motor Circuit, Linkage, Door, or Motor |
| DTC B1239 | An Open or Short in the Mode Control Motor Circuit (Front) |
| DTC B1240 | A Problem in the Mode Control Motor Circuit, Linkage, Door, or Motor (Front) |
| DTC B1241 | A Problem in the Blower Motor Circuit (Front) |
| DTC B1244 | An Open in the Rear Air Mix Control Motor Circuit |
| DTC B1245 | A Short in the Rear Air Mix Control Motor Circuit |
| DTC B1246 | A Problem in the Rear Air Mix Control Motor Circuit, Linkage, Door, or Motor |
| DTC B2965 | Rear Communication Failure |
| DTC B2967 | An Open in the Humidity Sensor Circuit |
| DTC B2968 | A Short in the Humidity Sensor Circuit |
| DTC B2979 | An Open in the A/C Pressure Sensor Circuit |
| DTC B2980 | A short in the A/C Pressure Sensor Circuit |
| DTC B2983 | A problem in the Recirculation Control motor circuit, Linkage, Door, or Motor |
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.