Climate Control System - General Information And Diagnostics

PCM DIAGNOSTIC TROUBLE CODE (DTC) LIST

DTC

Description

Action to Take

P0532

A/C Pressure Refrigerant Sensor A Circuit Low

GO to PINPOINT TEST A .

P0533

A/C Refrigerant Pressure Sensor A Circuit High

GO to PINPOINT TEST A .

P0645

Air Conditioning Clutch Relay (A/CCR) Control Circuit

GO to PINPOINT TEST B .

P1464

A/C Demand Out Of Self Test Range

If the HVAC selector was not in the OFF position, place it in the OFF position, CLEAR the DTCs and REPEAT the self-test. If the DTC does not return, ignore the DTC and continue diagnostics. If the DTC returns, GO to PINPOINT TEST M . ⁽¹⁾

All Other DTCs

REFER to INTRODUCTION - GASOLINE MODELS .

⁽¹⁾	PCM DTC P1464 will set if the function selector is in PANEL with A/C button pressed, DEFROST or MAX A/C mode when the on-demand self test is being run.

HVAC MODULE DIAGNOSTIC TROUBLE CODE (DTC) LIST

DTC	Description	Action to Take
B1081:00	Left Temperature Damper Motor: No Sub Type Information	GO to PINPOINT TEST Q .
B1081:11	Left Temperature Damper Motor: Circuit Short to Ground	GO to PINPOINT TEST Q .
B1081:12	Left Temperature Damper Motor: Circuit Short to Battery	GO to PINPOINT TEST Q .
B1082:00	Right Temperature Damper Motor: No Sub Type Information	GO to PINPOINT TEST Q .
B1082:11	Right Temperature Damper Motor: Circuit Short to Ground	GO to PINPOINT TEST Q .
B1082:12	Right Temperature Damper Motor: Circuit Short to Battery	GO to PINPOINT TEST Q .
B1083:00	Recirculation Damper Motor: No Sub Type Information	GO to PINPOINT TEST K .
B1083:11	Recirculation Damper Motor: Circuit Short to Ground	GO to PINPOINT TEST K .
B1083:12	Recirculation Damper Motor: Circuit Short to Battery	GO to PINPOINT TEST K .
B1086:00	Air Distribution Damper Motor: No Sub Type Information	GO to PINPOINT TEST L .
B1086:11	Air Distribution Damper Motor: Circuit Short to Ground	GO to PINPOINT TEST L .
B1086:12	Air Distribution Damper Motor: Circuit Short to Battery	GO to PINPOINT TEST L .
B10AF:11	Blower Fan Relay: Circuit Short to Ground	GO to PINPOINT TEST S .
B10AF:12	Blower Fan Relay: Circuit Short to Battery	GO to PINPOINT TEST R .
B10AF:13	Blower Fan Relay: Circuit Open	GO to PINPOINT TEST R .
B10B0:11	Rear Blower Fan Relay: Circuit Short to Ground	GO to PINPOINT TEST U .
B10B0:12	Rear Blower Fan Relay: Circuit Short to Battery	GO to PINPOINT TEST T .
B10B0:13	Rear Blower Fan Relay: Circuit Open	GO to PINPOINT TEST T .
B10B7:11	Rear Air Discharge Temperature: Circuit Short to Ground	GO to PINPOINT TEST V .
B10B7:15	Rear Air Discharge Temperature: Circuit Short to Battery or Open	GO to PINPOINT TEST V .
B10B9:12	Blower Control: Circuit Short to Battery	GO to PINPOINT TEST S .
B10B9:14	Blower Control: Circuit Short to Ground or Open	GO to PINPOINT TEST R .
B10BA:12	Rear Blower Control: Circuit Short to Battery	GO to PINPOINT TEST T .
B10BA:14	Rear Blower Control: Circuit Short to Ground or Open	If the auxiliary blower motor is inoperative, GO to PINPOINT TEST T . If the auxiliary blower motor operates, GO to PINPOINT TEST U .
B11E3:00	Rear HVAC Damper Motor: No Sub Type Information	GO to PINPOINT TEST V .
B11E3:11	Rear HVAC Damper Motor: Circuit Short to Ground	GO to PINPOINT TEST V .
B11E3:12	Rear HVAC Damper Motor: Circuit Short to Battery	GO to PINPOINT TEST V .
B11E4:00	Rear Air Distribution Damper Motor: No Sub Type Information	GO to PINPOINT TEST W .
B11E4:11	Rear Air Distribution Damper Motor: Circuit Short to Ground	GO to PINPOINT TEST W .
B11E4:12	Rear Air Distribution Damper Motor: Circuit Short to Battery	GO to PINPOINT TEST W .
B11E5:11	Left HVAC Damper Position Sensor: Circuit Short to Ground	GO to PINPOINT TEST Q .
B11E5:15	Left HVAC Damper Position Sensor: Circuit Short to Battery or Open	GO to PINPOINT TEST Q .
B11E6:11	Right HVAC Damper Position Sensor: Circuit Short to Ground	GO to PINPOINT TEST Q .
B11E6:15	Right HVAC Damper Position Sensor: Circuit Short to Battery or Open	GO to PINPOINT TEST Q .
B11E7:11	Air Distribution Damper Position Sensor: Circuit Short to Ground	GO to PINPOINT TEST L .
B11E7:15	Air Distribution Damper Position Sensor: Circuit Short to Battery or Open	GO to PINPOINT TEST L .
B1379:11	Rear Cabin Temperature Sensor: Circuit Short to Ground	GO to PINPOINT TEST E .
B1379:15	Rear Cabin Temperature Sensor: Circuit Short to Battery or Open	GO to PINPOINT TEST E .
B1A61:11	Cabin Temperature Sensor: Circuit Short to Ground	GO to PINPOINT TEST D .
B1A61:15	Cabin Temperature Sensor: Circuit Short to Battery or Open	GO to PINPOINT TEST D .
B1A63:11	Right Solar Sensor: Circuit Short to Ground	GO to PINPOINT TEST G .
B1A63:15	Right Solar Sensor: Circuit Short to Battery or Open	GO to PINPOINT TEST G .
B1A64:11	Left Solar Sensor: Circuit Short to Ground	GO to PINPOINT TEST G .
B1A64:15	Left Solar Sensor: Circuit Short to Battery or Open	GO to PINPOINT TEST G .
B1A68:11	Ambient Temperature Sensor: Circuit Short to Ground	GO to PINPOINT TEST F .
B1A68:15	Ambient Temperature Sensor: Circuit Short to Battery or Open	GO to PINPOINT TEST F .
B1B71:11	Evaporator Temperature Sensor: Circuit Short to Ground	GO to PINPOINT TEST H .
B1B71:15	Evaporator Temperature Sensor: Circuit Short to Battery or Open	GO to PINPOINT TEST H .
B1B7D:11	Rear Air Distribution Actuator: Circuit Short to Ground	GO to PINPOINT TEST W .
B1B7D:15	Rear Air Distribution Actuator: Circuit Short to Battery or Open	GO to PINPOINT TEST W .
C1B14:11	Sensor Supply Voltage A: Circuit Short to Ground	GO to PINPOINT TEST C .
C1B14:12	Sensor Supply Voltage A: Circuit Short to Battery	GO to PINPOINT TEST C .
U0140:00	Lost Communication With Body Control Module: No Sub Type Information	REFER to MODULE COMMUNICATIONS NETWORK to diagnose lost communication with the Smart Junction Box (SJB).
U0155:00	Lost Communication With Instrument Panel Cluster (IPC) Module: No Sub Type Information	REFER to MODULE COMMUNICATIONS NETWORK to diagnose lost communication with the IPC module.
U0163:00	Lost Communication With Navigation Control Module: No Sub Type Information	REFER to MODULE COMMUNICATIONS NETWORK to diagnose lost communication with the Front Display Interface Module (FDIM).
U0256:00	Lost Communication With Front Controls Interface Module (FCIM) "A": No Sub Type Information	REFER to MODULE COMMUNICATIONS NETWORK to diagnose lost communication with the FCIM.
U0422:68	Invalid Data Received From Body Control Module: Event Information	This DTC can set due to a fault in the SJB or because the SJB is unable to communicate over the Controller Area Network (CAN) bus. CARRY OUT a self-test of the SJB. If the scan tool indicates that the SJB is not responding, REFER to MODULE COMMUNICATIONS NETWORK to diagnose the network communication concern. If SJB DTCs are present, REFER to MULTIFUNCTION ELECTRONIC MODULES .
U0423:68	Invalid Data Received From Instrument Panel Cluster Control Module: Event Information	This DTC can set due to a fault in the IPC or because the IPC is unable to communicate over the CAN bus. CARRY OUT a self-test of the IPC. If the scan tool indicates that the IPC is not responding, REFER to MODULE COMMUNICATIONS NETWORK to diagnose the network communication concern. If IPC DTCs are present, REFER to INSTRUMENTATION, MESSAGE CENTER, AND WARNING CHIMES to diagnose the IPC system fault.
U0464:68	Invalid Data Received From Navigation Control Module: Event Information	This DTC can set due to a fault in the FDIM or because the FDIM is unable to communicate over the CAN bus. CARRY OUT a self-test of the FDIM. If the scan tool indicates that the FDIM is not responding, REFER to MODULE COMMUNICATIONS NETWORK to diagnose the network communication concern. If FDIM DTCs are present, REFER to INFORMATION AND ENTERTAINMENT SYSTEMS to diagnose the FDIM fault.
U3000:41	Control Module: General Checksum Failure	INSTALL a new HVAC module. REFER to CLIMATE CONTROL .
U3003:16	Battery Voltage: Circuit Voltage Below Threshold	GO to PINPOINT TEST I .
U3003:17	Battery Voltage: Circuit Voltage Above Threshold	GO to PINPOINT TEST I .
All Other DTCs	-	REFER to MULTIFUNCTION ELECTRONIC MODULES .

REAR HEATING VENTILATION AIR CONDITIONING (RHVAC) MODULE DIAGNOSTIC TROUBLE CODE (DTC) LIST

DTC	Description	Action to Take
B10B8:63	Push Buttons: Circuit / Component Protection Time-Out	Button held too long may set DTC. ATTEMPT to clean buttons. If code returns, INSTALL a new Rear Heating Ventilation Air Conditioning (RHVAC) module. REFER to AUXILIARY CLIMATE CONTROL . TEST the system for normal operation.
U0140:00	Lost Communication With Body Control Module: No Sub Type Information	REFER to MODULE COMMUNICATIONS NETWORK to diagnose lost communication with the Smart Junction Box (SJB).
U0164:00	Lost Communication With HVAC Control Module: No Sub Type Information	REFER to MODULE COMMUNICATIONS NETWORK to diagnose lost communication with the HVAC module.
U0422:68	Invalid Data Received From Body Control Module: Event Information	This DTC can set due to a fault in the SJB or because the SJB is unable to communicate over the Controller Area Network (CAN) bus. CARRY OUT a self-test of the SJB. If the scan tool indicates that the SJB is not responding, REFER to MODULE COMMUNICATIONS NETWORK to diagnose the network communication concern. If SJB DTCs are present, REFER to MULTIFUNCTION ELECTRONIC MODULES .
U0424:68	Invalid Data Received From Navigation Control Module: Event Information	This DTC can set due to a fault in the HVAC module or because the HVAC module is unable to communicate over the CAN bus. CARRY OUT a self-test of the HVAC module. If the scan tool indicates that the HVAC module is not responding, REFER to MODULE COMMUNICATIONS NETWORK to diagnose the network communication concern. If HVAC module DTCs are present, REFER to the HVAC MODULE DIAGNOSTIC TROUBLE CODE (DTC) LIST to diagnose the HVAC module fault.
U3000:41	Control Module: General Checksum Failure	INSTALL a new Rear Heating Ventilation Air Conditioning (RHVAC) module. REFER to AUXILIARY CLIMATE CONTROL .
U3000:42	Control Module: General Memory Failure	INSTALL a new RHVAC module. REFER to AUXILIARY CLIMATE CONTROL .
U3003:16	Battery Voltage: Circuit Voltage Below Threshold	GO to PINPOINT TEST I .
U3003:17	Battery Voltage: Circuit Voltage Above Threshold	GO to PINPOINT TEST I .
All Other DTCs	-	REFER to MULTIFUNCTION ELECTRONIC MODULES .