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Home >> Acura >> 2012 >> ZDX >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> Climate Control >> DTC Troubleshooting Index
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

DTC Troubleshooting Index

CHECKING DTCS WITH HDS

DTC Detection Item or Symptom ECU DTC Type Refer to
U1280 Communication bus line error (BUS-OFF) Climate control unit Loss of communication DTC Troubleshooting (see DTC U1280: COMMUNICATION BUS LINE ERROR (BUS-OFF) )
U0155  Lost communication with gauge control module (climate control unit) Climate control unit Loss of communication DTC Troubleshooting (see )
B1215  An open or short in the recirculation control motor circuit Climate control unit Signal error DTC Troubleshooting (see )
B1225  An open in the in-car temperature sensor circuit Climate control unit Signal error DTC Troubleshooting (see )
B1226  A short in the in-car temperature sensor circuit Climate control unit Signal error DTC Troubleshooting (see )
B1227  An open in the outside air temperature sensor circuit Climate control unit Signal error DTC Troubleshooting (see )
B1228  A short in the outside air temperature sensor circuit Climate control unit Signal error DTC Troubleshooting (see )
B1229  An open in the sunlight sensor circuit Climate control unit Signal error DTC Troubleshooting (see )
B1230  A short in the sunlight sensor circuit Climate control unit Signal error DTC Troubleshooting (see )
B1231  An open in the evaporator temperature sensor circuit Climate control unit Signal error DTC Troubleshooting (see )
B1232  A short in the evaporator temperature sensor circuit Climate control unit Signal error DTC Troubleshooting (see )
B1233  An open in the air mix control motor circuit (driver's) Climate control unit Signal error DTC Troubleshooting (see )
B1234  A short in the air mix control motor circuit (driver's) Climate control unit Signal error DTC Troubleshooting (see )
B1235  A problem in the air mix control motor circuit, linkage, door, or motor (driver's) Climate control unit Signal error DTC Troubleshooting (see )
B1236  An open in the passenger's air mix control motor circuit Climate control unit Signal error DTC Troubleshooting (see )
B1237  A short in the passenger's air mix control motor circuit Climate control unit Signal error DTC Troubleshooting (see )
B1238  A problem in the passenger's air mix control motor circuit, linkage, door, or motor Climate control unit Signal error DTC Troubleshooting (see )
B1239  An open or short in the mode control motor circuit (driver's) Climate control unit Signal error DTC Troubleshooting (see )
B1240  A problem in the mode control motor circuit, linkage, door, or motor (driver's) Climate control unit Signal error DTC Troubleshooting (see )
B1241  A problem in the blower motor circuit Climate control unit Signal error DTC Troubleshooting (see )
B1242  An open or short in the passenger's mode control motor circuit Climate control unit Signal error DTC Troubleshooting (see )
B1243  A problem in the passenger's mode control motor circuit, linkage, door, or motor Climate control unit Signal error DTC Troubleshooting (see )
B2967  An open in the humidity sensor circuit Climate control unit Signal error DTC Troubleshooting (see )
B2968  A short in the humidity sensor circuit Climate control unit Signal error DTC Troubleshooting (see )
B2969  Climate control unit lost communication with MICU (WIPSW message) (driver's) Climate control unit Loss of communication DTC Troubleshooting (see )
B2979  An open in the A/C pressure sensor circuit Climate control unit Signal error DTC Troubleshooting (see )
B2980  A short in the A/C pressure sensor circuit Climate control unit Signal error DTC Troubleshooting (see )
B2983  A problem in the recirculation control motor circuit, linkage, door, or motor Climate control unit Signal error DTC Troubleshooting (see )