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HA -82 HEATING, VENTILATION AND AIR CONDITIONING 2. How to read self-diagnostic code FAULT CODE Fault code Control unit DTC Fail description 00 - Normal 11 B1234 In-car temperature sensor open 12 B1233 In-car temperature sensor short 13 B1238 Ambient temperature sensor open 14 B1237 Ambient temperature sensor short 15 B1202 Water temperature sensor open 16 B1203 Water temperature sensor short 17 B1242 Evaporator temperature sensor open 18 B1241 Evaporator temperature sensor short 19 B1245 Temperature control actuator feed back open (Drive’s) 19 B1246 Temperature control actuator feed back short (Drive’s) 20 B2406 Temperature control actuator failure 21 B1249 Mode control actuator open 21 B1250 Mode control actuator short 22 B2409 Mode control actuator failure 23 B1200 Humidity sensor open 24 B1201 Humidity sensor short 25 B1208 Intake potentiometer open 25 B1209 Intake potentiometer short 26 B2408 Intake potentiometer failure 27 B1257 AQS sensor open 28 B1258 AQS sensor short 31 B1259 AQS sensor failure 32 B1204 Temperature control actuator open (Passenger’s) 32 B1205 Temperature control actuator short (Passenger’s) 33 B2415 Temperature control actuator failure |