HVAC System (Heater, Ventilator And A/C) DTCS

HVAC SYSTEM (HEATER, VENTILATOR AND A/C) DIAGNOSTIC TROUBLE CODE (DTC) LIST

Diagnostic codes	Description
B1430/21	[Room temperature sensor circuit wire break]
B1431/-21	[Room temperature sensor circuit short-circuit]
B1432/22	[Ambient temperature sensor circuit wire break]
B1433/-22	[Ambient temperature sensor circuit short-circuit]
B1434/23	[Evaporator sensor circuit wire break]
B1435/-23	[Evaporator sensor circuit short-circuit]
B1436/45	[Air mix door actuator potentiometer circuit wire break (passenger's seat)]
B1437/-45	[Air mix door actuator potentiometer circuit short-circuit (passenger's seat)]
B1438/49	[Mode Door Actuator Potentiometer Circuit Open]
B1439/-49	[Mode Door Actuator Potentiometer Circuit Short]
B1440/41	[Air mix door actuator potentiometer circuit wire break (driver's seat)]
B1441/E45	[Air mix door actuator lock (passenger's seat)]
B1442/-41	[Air mix door actuator potentiometer circuit short-circuit (driver's seat)]
B1443/E49	[Mode Door Actuator Lock]
B1446/E41	[Air mix door actuator lock (driver's seat)]
B14A1/25	[Sunload Sensor Circuit Open]
B14A2/-25	[Sunload Sensor Circuit Short]
E24	[Engine Coolant Temp. Sensor Abnormal/Incorrect Communication]
U0073/E72	[CAN Communication Error]
U0100	[Lost Communication With ECM/PCM "A"]
U0101	[Lost Communication With TCM]
U0122	[Lost Communication With Vehicle Dynamics Control Module]
U0140	[Lost Communication With Body Control Module]
U0155	[Nonarrival of H-CAN data(METER)]
U0401	[Lost Communication With ECM/PCM "A"]
U0402	[Lost Communication With TCM]
U0416	[Lost Communication With Vehicle Dynamics Control Module]
U0422	[Lost Communication With Body Control Module]
U0423	[Nonarrival of H-CAN data(METER)]
E73	[CAN Communication Error]