LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Acura >> 2023 >> MDX Base >> Repair and Diagnosis >> Quick Lookups >> DTC Index >> Climate Control System DTCS
October 30: LEMON manuals on a temporary server, it is slow and having issues, download the manuals you need! Later in November we will switch back to the fast server.

Climate Control System DTCS

DTC  Description 
DTC Troubleshooting: B1213 (0B) An open in the rear evaporator temperature sensor circuit
DTC Troubleshooting: B1214 (0C) A short in the rear evaporator temperature sensor circuit
DTC Troubleshooting: B1220 (56) A short in the recirculation control motor circuit
DTC Troubleshooting: B1221 (50) An open in the rear mode control motor circuit
DTC Troubleshooting: B1222 (51) A short in the rear mode control motor circuit
DTC Troubleshooting: B1223 (60) A problem in the rear blower motor circuit
DTC Troubleshooting: B1225 (01) An open in the in-car temperature sensor circuit
DTC Troubleshooting: B1226 (02) A short in the in-car temperature sensor circuit
DTC Troubleshooting: B1227 (05) An open in the outside air temperature sensor circuit
DTC Troubleshooting: B1228 (06) A short in the outside air temperature sensor circuit
DTC Troubleshooting: B1229 (17) An open in the sunlight sensor circuit
DTC Troubleshooting: B1230 (17) A short in the sunlight sensor circuit
DTC Troubleshooting: B1231 (09) An open in the evaporator temperature sensor circuit (front)
DTC Troubleshooting: B1232 (0A) A short in the evaporator temperature sensor circuit (front)
DTC Troubleshooting: B1233 (40) An open in the air mix control motor circuit (driver's)
DTC Troubleshooting: B1234 (41) A short in the air mix control motor circuit (driver's)
DTC Troubleshooting: B1235 (42) A problem in the air mix control motor circuit, linkage, door, or motor (driver's)
DTC Troubleshooting: B1236 (43) An open in the passenger's air mix control motor circuit
DTC Troubleshooting: B1237 (44) A short in the passenger's air mix control motor circuit
DTC Troubleshooting: B1238 (45) A problem in the passenger's air mix control motor circuit, linkage, door, or motor
DTC Troubleshooting: B123F Automatic lighting control unit/sunlight sensor error
DTC Troubleshooting: B1241 (59) A problem in the blower motor circuit (front)
DTC Troubleshooting: B1244 (46) An open in the rear air mix control motor circuit
DTC Troubleshooting: B1245 (47) A short in the rear air mix control motor circuit
DTC Troubleshooting: B1246 (48) A problem in the rear air mix control motor circuit, linkage, door, or motor
DTC Troubleshooting: B1248 (52) A problem in the rear mode control motor circuit, linkage, door, or motor

*1: With automatic wiper

*2: Without automatic wiper

*3: With second row seat heater

DTC  Description 
DTC Troubleshooting: B2966 (8A) Climate control unit lost communication with rear panel (rear climate control panel)
DTC Troubleshooting: B2967 (20) An open in the humidity sensor circuit
DTC Troubleshooting: B2968 (21) A short in the humidity sensor circuit
DTC Troubleshooting: B2969 (49) An open in the mode control motor A circuit (front)
DTC Troubleshooting: B2970 (4A) A short in the mode control motor A circuit (front)
DTC Troubleshooting: B2971 (4B) A problem in the mode control motor A circuit, linkage, door, or motor (front)
DTC Troubleshooting: B2972 (4C) An open in the mode control motor B circuit (front)
DTC Troubleshooting: B2973 (4D) A short in the mode control motor B circuit (front)
DTC Troubleshooting: B2974 (4E) A problem in the mode control motor B circuit, linkage, door, or motor (front)
DTC Troubleshooting: B2983 (57) A problem in the recirculation control motor circuit, linkage, door, or motor
DTC Troubleshooting: B2986 (55) An open in the recirculation control motor circuit
DTC Troubleshooting: B2988 (61) A problem in the A/C compressor variable capacity control solenoid circuit
DTC Troubleshooting: U1280 (80) (Climate Control Unit) Communication bus line error (BUS-OFF)
DTC Troubleshooting: U1281 (91) (Climate Control Unit) Climate control unit lost communication with MICU (body control module)
DTC Troubleshooting: U128D (83) (Climate Control Unit) Climate control unit lost communication with gauge control module
DTC Troubleshooting: U1290 (8F) (Climate Control Unit) Climate control unit lost communication with seat heater control unit (front)
DTC Troubleshooting: U129B (90) (Climate Control Unit) Climate control unit lost communication with seat heater control unit (second row seat)

*1: With automatic wiper

*2: Without automatic wiper

*3: With second row seat heater