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HVAC System DTCS

DTC  Description 
B1213 An open in the rear evaporator temperature sensor circuit
B1214 A short in the rear evaporator temperature sensor circuit
B1220 A short in the recirculation control motor circuit
B1221 An open in the rear mode control motor circuit
B1222 A short in the rear mode control motor circuit
B1223 A problem in the rear blower motor circuit
B1225 An open in the in-car temperature sensor circuit
B1226 A short in the in-car temperature sensor circuit
B1227 An open in the outside air temperature sensor circuit
B1228 A short in the outside air temperature sensor circuit
B1229*2 An open in the sunlight sensor circuit
B1230*2 A short in the sunlight sensor circuit
B1231 An open in the evaporator temperature sensor circuit
B1232 A short in the evaporator temperature sensor circuit
B1233 An open in the air mix control motor circuit (driver's)
B1234 A short in the air mix control motor circuit (driver's)
B1235 A problem in the air mix control motor circuit, linkage, door, or motor (driver's)
B1236*1 An open in the passenger's air mix control motor circuit
B1237*1 A short in the passenger's air mix control motor circuit
B1238*1 A problem in the passenger's air mix control motor circuit, linkage, door, or motor
B123F*3 Automatic lighting control unit/sunlight sensor error
B1241 A problem in the blower motor circuit
B1244 An open in the rear air mix control motor circuit
B1245 A short in the rear air mix control motor circuit
B1246 A problem in the rear air mix control motor circuit, linkage, door, or motor
B1248 A problem in the rear mode control motor circuit, linkage, door, or motor

*1: With front dual zone climate control

*2: With automatic wiper or without automatic lighting

*3: Without automatic wiper and with automatic lighting

*4: With seat heater

DTC  Description 
B2964 Climate control unit lost communication with front panel
B2966*1 Climate control unit lost communication with rear panel (rear climate control panel)
B2967 An open in the humidity sensor circuit
B2968 A short in the humidity sensor circuit
B2969 An open in the mode control motor A circuit
B2970 A short in the mode control motor A circuit
B2971 A problem in the mode control motor A circuit, linkage, door, or motor
B2972 An open in the mode control motor B circuit
B2973 A short in the mode control motor B circuit
B2974 A problem in the mode control motor B circuit, linkage, door, or motor
B2983 A problem in the recirculation control motor circuit, linkage, door, or motor
B2986 An open in the recirculation control motor circuit
B2988 A problem in the A/C compressor variable capacity control solenoid circuit
U0180*3 Climate control unit lost communication with automatic lighting control unit-sensor
U1280 Communication bus line error (BUS-OFF)
U1281 Climate control unit lost communication with MICU (body control module)
U128D Climate control unit lost communication with gauge control module (VSP message)
U1290*4 Climate control unit lost communication with seat heater control unit

*1: With front dual zone climate control

*2: With automatic wiper or without automatic lighting

*3: Without automatic wiper and with automatic lighting

*4: With seat heater