HVAC DTCS
HVAC DIAGNOSTIC TROUBLE CODES (DTC) LIST
| DTC | Description |
|---|---|
| B1200 | HUMIDITY SENSOR SIGNAL CIRCUIT OPEN (HIGH) |
| B1201 | HUMIDITY SENSOR SIGNAL CIRCUIT SHORT (LOW) |
| B1202 | HEATER WATER TEMPERATURE SENSOR OPEN (HIGH) |
| B1203 | HEATER WATER TEMPERATURE SENSOR SHORT (LOW) |
| B1208 | INTAKE POTENTIOMETER OPEN (LOW) |
| B1209 | INTAKE POTENTIOMETER SHORT (HIGH) |
| B1233 | IN-CAR TEMPERATURE SENSOR SHORT (LOW) |
| B1234 | IN-CAR TEMPERATURE SENSOR OPEN (HIGH) |
| B1237 | AMBIENT TEMPERATURE SENSOR SHORT (LOW) |
| B1238 | AMBIENT TEMPERATURE SENSOR OPEN (HIGH) |
| B1241 | EVAPORATOR SENSOR SHORT (LOW) |
| B1242 | EVAPORATOR SENSOR OPEN (HIGH) |
| B1245 | AIR MIX POTENTIOMETER OPEN (LOW) - DRIVER |
| B1246 | AIR MIX POTENTIOMETER SHORT (HIGH) - DRIVER |
| B1249 | DIRECTION POTENTIOMETER OPEN (LOW) - DRIVER |
| B1250 | DIRECTION POTENTIOMETER SHORT (HIGH) - DRIVER |
| B2406 | AIR MIX MOTOR - DRIVER |
| B2408 | INTAKE MOTOR |
| B2409 | DIRECTION CONTROL MOTOR - DRIVER |