HVAC System DTCS

HVAC SYSTEM DIAGNOSTIC TROUBLE CODE IDENTIFICATION

DTC	Item	Note
B1430	In-Vehicle (Post Evaporator) Temperature Sensor Circuit Open	Ref. to HVAC SYSTEM (AUTO A/C) (DIAGNOSTICS)>Diagnostic Procedure with Diagnostic Trouble Code (DTC)>DTC B1430 IN-VEHICLE (POST EVAPORATOR) TEMPERATURE SENSOR CIRCUIT OPEN .
B1431	In-Vehicle (Post Evaporator) Temperature Sensor Circuit Short-Circuit	Ref. to HVAC SYSTEM (AUTO A/C) (DIAGNOSTICS)>Diagnostic Procedure with Diagnostic Trouble Code (DTC)>DTC B1431 IN-VEHICLE (POST EVAPORATOR) TEMPERATURE SENSOR CIRCUIT SHORT-CIRCUIT .
B1432	Ambient Temperature Sensor Circuit Open (Air-Conditioner)	Ref. to HVAC SYSTEM (AUTO A/C) (DIAGNOSTICS)>Diagnostic Procedure with Diagnostic Trouble Code (DTC)>DTC B1432 AMBIENT TEMPERATURE SENSOR CIRCUIT OPEN (AIR-CONDITIONER) .
B1433	Ambient Temperature Sensor Circuit Short-Circuit (Air-Conditioner)	Ref. to HVAC SYSTEM (AUTO A/C) (DIAGNOSTICS)>Diagnostic Procedure with Diagnostic Trouble Code (DTC)>DTC B1433 AMBIENT TEMPERATURE SENSOR CIRCUIT SHORT-CIRCUIT (AIR-CONDITIONER) .
B1434	Evaporator Temperature Sensor Circuit Open	Ref. to HVAC SYSTEM (AUTO A/C) (DIAGNOSTICS)>Diagnostic Procedure with Diagnostic Trouble Code (DTC)>DTC B1434 EVAPORATOR TEMPERATURE SENSOR CIRCUIT OPEN .
B1435	Evaporator Temperature Sensor Circuit Short-Circuit	Ref. to HVAC SYSTEM (AUTO A/C) (DIAGNOSTICS)>Diagnostic Procedure with Diagnostic Trouble Code (DTC)>DTC B1435 EVAPORATOR TEMPERATURE SENSOR CIRCUIT SHORT-CIRCUIT .
B14A1	Sunload Sensor Circuit Low/Open	Ref. to HVAC SYSTEM (AUTO A/C) (DIAGNOSTICS)>Diagnostic Procedure with Diagnostic Trouble Code (DTC)>DTC B14A1 SUNLOAD SENSOR CIRCUIT LOW/OPEN .
B14A2	Sunload Sensor Circuit Short-Circuit	Ref. to HVAC SYSTEM (AUTO A/C) (DIAGNOSTICS)>Diagnostic Procedure with Diagnostic Trouble Code (DTC)>DTC B14A2 SUNLOAD SENSOR CIRCUIT SHORT-CIRCUIT .
B14E1	Air Mix Door Actuator Stepping Motor Circuit Open (Driver)	Ref. to HVAC SYSTEM (AUTO A/C) (DIAGNOSTICS)>Diagnostic Procedure with Diagnostic Trouble Code (DTC)>DTC B14E1 AIR MIX DOOR ACTUATOR STEPPING MOTOR CIRCUIT OPEN (DRIVER) .
B14E2	Air Mix Door Actuator Stepping Motor Circuit Short-Circuit (Driver)	Ref. to HVAC SYSTEM (AUTO A/C) (DIAGNOSTICS)>Diagnostic Procedure with Diagnostic Trouble Code (DTC)>DTC B14E2 AIR MIX DOOR ACTUATOR STEPPING MOTOR CIRCUIT SHORT-CIRCUIT (DRIVER) .
B14E3	Air Mix Door Actuator Stepping Motor Circuit Open (Passenger)	Ref. to HVAC SYSTEM (AUTO A/C) (DIAGNOSTICS)>Diagnostic Procedure with Diagnostic Trouble Code (DTC)>DTC B14E3 AIR MIX DOOR ACTUATOR STEPPING MOTOR CIRCUIT OPEN (PASSENGER) .
B14E4	Air Mix Door Actuator Stepping Motor Circuit Short-Circuit (Passenger)	Ref. to HVAC SYSTEM (AUTO A/C) (DIAGNOSTICS)>Diagnostic Procedure with Diagnostic Trouble Code (DTC)>DTC B14E4 AIR MIX DOOR ACTUATOR STEPPING MOTOR CIRCUIT SHORT-CIRCUIT (PASSENGER) .
B14E5	Mode Door Actuator Stepping Motor Circuit Open	Ref. to HVAC SYSTEM (AUTO A/C) (DIAGNOSTICS)>Diagnostic Procedure with Diagnostic Trouble Code (DTC)>DTC B14E5 MODE DOOR ACTUATOR STEPPING MOTOR CIRCUIT OPEN .
B14E6	Mode Door Actuator Stepping Motor Circuit Short-Circuit	Ref. to HVAC SYSTEM (AUTO A/C) (DIAGNOSTICS)>Diagnostic Procedure with Diagnostic Trouble Code (DTC)>DTC B14E6 MODE DOOR ACTUATOR STEPPING MOTOR CIRCUIT SHORT-CIRCUIT .
B14E9	Intake Door Actuator Circuit Open	Ref. to HVAC SYSTEM (AUTO A/C) (DIAGNOSTICS)>Diagnostic Procedure with Diagnostic Trouble Code (DTC)>DTC B14E9 INTAKE DOOR ACTUATOR CIRCUIT OPEN .
B14EA	Intake Door Actuator Circuit Short-Circuit	Ref. to HVAC SYSTEM (AUTO A/C) (DIAGNOSTICS)>Diagnostic Procedure with Diagnostic Trouble Code (DTC)>DTC B14EA INTAKE DOOR ACTUATOR CIRCUIT SHORT-CIRCUIT .
B14EB	Intake Door Actuator Stuck	Ref. to HVAC SYSTEM (AUTO A/C) (DIAGNOSTICS)>Diagnostic Procedure with Diagnostic Trouble Code (DTC)>DTC B14EB INTAKE DOOR ACTUATOR STUCK .
U0073	Control Module Communication Bus Off	Ref. to HVAC SYSTEM (AUTO A/C) (DIAGNOSTICS)>Diagnostic Procedure with Diagnostic Trouble Code (DTC)>DTC U0073 CONTROL MODULE COMMUNICATION BUS OFF .
U0100	Lost Communication With ECM/PCM "A"	Ref. to HVAC SYSTEM (AUTO A/C) (DIAGNOSTICS)>Diagnostic Procedure with Diagnostic Trouble Code (DTC)>DTC U0100 LOST COMMUNICATION WITH ECM/PCM "A" .
U0101	Lost Communication With TCM	Ref. to HVAC SYSTEM (AUTO A/C) (DIAGNOSTICS)>Diagnostic Procedure with Diagnostic Trouble Code (DTC)>DTC U0101 LOST COMMUNICATION WITH TCM .
U0122	Lost Communication With Vehicle Dynamics Control Module	Ref. to HVAC SYSTEM (AUTO A/C) (DIAGNOSTICS)>Diagnostic Procedure with Diagnostic Trouble Code (DTC)>DTC U0122 LOST COMMUNICATION WITH VEHICLE DYNAMICS CONTROL MODULE .
U0140	Lost Communication With Body Control Module	Ref. to HVAC SYSTEM (AUTO A/C) (DIAGNOSTICS)>Diagnostic Procedure with Diagnostic Trouble Code (DTC)>DTC U0140 LOST COMMUNICATION WITH BODY CONTROL MODULE .
U0155	Lost Communication With Instrument Panel Cluster (IPC) Control Module	Ref. to HVAC SYSTEM (AUTO A/C) (DIAGNOSTICS)>Diagnostic Procedure with Diagnostic Trouble Code (DTC)>DTC U0155 LOST COMMUNICATION WITH INSTRUMENT PANEL CLUSTER (IPC) CONTROL MODULE .
U0401	Invalid Data Received From ECM/PCM "A"	Ref. to HVAC SYSTEM (AUTO A/C) (DIAGNOSTICS)>Diagnostic Procedure with Diagnostic Trouble Code (DTC)>DTC U0401 INVALID DATA RECEIVED FROM ECM/PCM "A" .
U0402	Invalid Data Received From TCM	Ref. to HVAC SYSTEM (AUTO A/C) (DIAGNOSTICS)>Diagnostic Procedure with Diagnostic Trouble Code (DTC)>DTC U0402 INVALID DATA RECEIVED FROM TCM .
U0416	Invalid Data Received From Vehicle Dynamics Control Module	Ref. to HVAC SYSTEM (AUTO A/C) (DIAGNOSTICS)>Diagnostic Procedure with Diagnostic Trouble Code (DTC)>DTC U0416 INVALID DATA RECEIVED FROM VEHICLE DYNAMICS CONTROL MODULE .
U0422	Invalid Data Received From Body Control Module	Ref. to HVAC SYSTEM (AUTO A/C) (DIAGNOSTICS)>Diagnostic Procedure with Diagnostic Trouble Code (DTC)>DTC U0422 INVALID DATA RECEIVED FROM BODY CONTROL MODULE .
U0423	Invalid Data Received From Instrument Panel Cluster Control Module	Ref. to HVAC SYSTEM (AUTO A/C) (DIAGNOSTICS)>Diagnostic Procedure with Diagnostic Trouble Code (DTC)>DTC U0423 INVALID DATA RECEIVED FROM INSTRUMENT PANEL CLUSTER CONTROL MODULE .