HVAC Module DTC Table
HVAC MODULE DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION
| DTC | Description | Action to Take |
|---|---|---|
| B1081:07 | Left Temperature Damper Motor: Mechanical Failure | REFER to CLIMATE CONTROL SYSTEM - GENERAL INFORMATION AND DIAGNOSTICS . |
| B1081:11 | Left Temperature Damper Motor: Circuit Short to Ground | REFER to CLIMATE CONTROL SYSTEM - GENERAL INFORMATION AND DIAGNOSTICS . |
| B1081:12 | Left Temperature Damper Motor: Circuit Short to Battery | REFER to CLIMATE CONTROL SYSTEM - GENERAL INFORMATION AND DIAGNOSTICS . |
| B1081:13 | Left Temperature Damper Motor: Circuit Open | REFER to CLIMATE CONTROL SYSTEM - GENERAL INFORMATION AND DIAGNOSTICS . |
| B1082:07 | Right Temperature Damper Motor: Mechanical Failure | REFER to CLIMATE CONTROL SYSTEM - GENERAL INFORMATION AND DIAGNOSTICS . |
| B1082:11 | Right Temperature Damper Motor: Circuit Short to Ground | REFER to CLIMATE CONTROL SYSTEM - GENERAL INFORMATION AND DIAGNOSTICS . |
| B1082:12 | Right Temperature Damper Motor: Circuit Short to Battery | REFER to CLIMATE CONTROL SYSTEM - GENERAL INFORMATION AND DIAGNOSTICS . |
| B1082:13 | Right Temperature Damper Motor: Circuit Open | REFER to CLIMATE CONTROL SYSTEM - GENERAL INFORMATION AND DIAGNOSTICS . |
| B1083:07 | Recirculation Damper Motor: Mechanical Failure | GO to PINPOINT TEST G . |
| B1083:11 | Recirculation Damper Motor: Circuit Short to Ground | GO to PINPOINT TEST G . |
| B1083:12 | Recirculation Damper Motor: Circuit Short to Battery | GO to PINPOINT TEST G . |
| B1083:13 | Recirculation Damper Motor: Circuit Open | GO to PINPOINT TEST G . |
| B1086:07 | Air Distribution Damper Motor: Mechanical Failures | REFER to CLIMATE CONTROL SYSTEM - GENERAL INFORMATION AND DIAGNOSTICS . |
| B1086:11 | Air Distribution Damper Motor: Circuit Short to Ground | REFER to CLIMATE CONTROL SYSTEM - GENERAL INFORMATION AND DIAGNOSTICS . |
| B1086:12 | Air Distribution Damper Motor: Circuit Short to Battery | REFER to CLIMATE CONTROL SYSTEM - GENERAL INFORMATION AND DIAGNOSTICS . |
| B1086:13 | Air Distribution Damper Motor: Circuit Open | REFER to CLIMATE CONTROL SYSTEM - GENERAL INFORMATION AND DIAGNOSTICS . |
| B10AF:12 | Blower Fan Relay: Circuit Short to Battery | GO to PINPOINT TEST K . |
| B10AF:14 | Blower Fan Relay: Circuit Short to Ground or Open | If the blower motor is inoperative, GO to PINPOINT TEST K . If the blower motor relay is always on, GO to PINPOINT TEST L . |
| B10B8:00 | Push Buttons: No Sub Type Information | Button held too long may set DTC. ATTEMPT to clean buttons. CLEAR the DTCs. REPEAT the self-test. If code returns, INSTALL a new Front Controls Interface Module (FCIM). |
| B10B9:12 | Blower Control: Circuit Short to Battery | GO to PINPOINT TEST K . |
| B10B9:14 | Blower Control: Circuit Short to Ground or Open | If the blower motor is inoperative, GO to PINPOINT TEST K . If the blower motor is always on or operates incorrectly, GO to PINPOINT TEST L . |
| B11E5:11 | Left HVAC Damper Position Sensor: Circuit Short to Ground | REFER to CLIMATE CONTROL SYSTEM - GENERAL INFORMATION AND DIAGNOSTICS . |
| B11E5:15 | Left HVAC Damper Position Sensor: Circuit Short to Battery or Open | REFER to CLIMATE CONTROL SYSTEM - GENERAL INFORMATION AND DIAGNOSTICS . |
| B11E6:11 | Right HVAC Damper Position Sensor: Circuit Short to Ground | REFER to CLIMATE CONTROL SYSTEM - GENERAL INFORMATION AND DIAGNOSTICS . |
| B11E6:15 | Right HVAC Damper Position Sensor: Circuit Short to Battery or Open | REFER to CLIMATE CONTROL SYSTEM - GENERAL INFORMATION AND DIAGNOSTICS . |
| B11E7:11 | Air Distribution Damper Position Sensor: Circuit Short to Ground | REFER to CLIMATE CONTROL SYSTEM - GENERAL INFORMATION AND DIAGNOSTICS . |
| B11E7:15 | Air Distribution Damper Position Sensor: Circuit Short to Battery or Open | REFER to CLIMATE CONTROL SYSTEM - GENERAL INFORMATION AND DIAGNOSTICS . |
| B11F0:11 | Air Intake Damper Position Sensor: Circuit Short to Ground | GO to PINPOINT TEST G . |
| B11F0:15 | Air Intake Damper Position Sensor: Circuit Short to Battery or Open | GO to PINPOINT TEST G . |
| B1A61:11 | Cabin Temperature Sensor: Circuit Short to Ground | GO to PINPOINT TEST B . |
| B1A61:15 | Cabin Temperature Sensor: Circuit Short to Battery or Open | GO to PINPOINT TEST B . |
| B1A63:11 | Right Solar Sensor: Circuit Short to Ground | REFER to CLIMATE CONTROL SYSTEM - GENERAL INFORMATION AND DIAGNOSTICS . |
| B1A63:15 | Right Solar Sensor: Circuit Short to Battery or Open | REFER to CLIMATE CONTROL SYSTEM - GENERAL INFORMATION AND DIAGNOSTICS . |
| B1A64:11 | Left Solar Sensor: Circuit Short to Ground | REFER to CLIMATE CONTROL SYSTEM - GENERAL INFORMATION AND DIAGNOSTICS . |
| B1A64:15 | Left Solar Sensor: Circuit Short to Battery or Open | REFER to CLIMATE CONTROL SYSTEM - GENERAL INFORMATION AND DIAGNOSTICS . |
| B1A68:11 | Ambient Temperature Sensor: Circuit Short to Ground | REFER to CLIMATE CONTROL SYSTEM - GENERAL INFORMATION AND DIAGNOSTICS . |
| B1A68:15 | Ambient Temperature Sensor: Circuit Short to Battery or Open | REFER to CLIMATE CONTROL SYSTEM - GENERAL INFORMATION AND DIAGNOSTICS . |
| B1A69:11 | Humidity Sensor: Circuit Short to Ground | GO to PINPOINT TEST C . |
| B1A69:15 | Humidity Sensor: Circuit Short to Battery or Open | GO to PINPOINT TEST C . |
| B1B71:11 | Evaporator Temperature Sensor: Circuit Short to Ground | REFER to CLIMATE CONTROL SYSTEM - GENERAL INFORMATION AND DIAGNOSTICS . |
| B1B71:15 | Evaporator Temperature Sensor: Circuit Short to Battery or Open | REFER to CLIMATE CONTROL SYSTEM - GENERAL INFORMATION AND DIAGNOSTICS . |
| C1B14:11 | Sensor Supply Voltage A: Circuit Short to Ground | REFER to CLIMATE CONTROL SYSTEM - GENERAL INFORMATION AND DIAGNOSTICS . |
| C1B14:12 | Sensor Supply Voltage A: Circuit Short to Battery | REFER to CLIMATE CONTROL SYSTEM - GENERAL INFORMATION AND DIAGNOSTICS . |
| 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 Audio Control Module (ACM). |
| 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 Audio Control Module (ACM) or because the ACM is unable to communicate over the CAN bus. CARRY OUT a self-test of the ACM. If the scan tool indicates that the ACM is not responding, REFER to MODULE COMMUNICATIONS NETWORK to diagnose the network communication concern. If ACM DTCs are present, REFER to INFORMATION AND ENTERTAINMENT SYSTEMS to diagnose the ACM system fault |
| U0557:68 | Invalid Data Received From Front Controls Interface Module (FCIM) "A": Event Information | This DTC can set due to a fault in the FCIM or because the FCIM is unable to communicate over the CAN bus. CARRY OUT a self-test of the FCIM. If the scan tool indicates that the FCIM is not responding, REFER to MODULE COMMUNICATIONS NETWORK to diagnose the network communication concern. If FCIM DTCs are present, REFER to INFORMATION AND ENTERTAINMENT SYSTEMS to diagnose the FCIM fault. |
| U1000:00 | Solid State Driver Protection Activated-Driver Disabled: No Sub Type Information | INSTALL a new HVAC module. REFER to CLIMATE CONTROL . |
| U2100:00 | Initial Configuration Not Complete: No Sub Type Information | INSTALL a new HVAC module. REFER to CLIMATE CONTROL . |
| U3000:41 | Control Module: General Checksum Failure | INSTALL a new HVAC module. REFER to CLIMATE CONTROL . |
| U3000:49 | Control Module: Internal Electronic Failure | INSTALL a new HVAC module. REFER to CLIMATE CONTROL . |
| U3002:62 | Vehicle Identification Number: Signal Compare Failure | INSTALL a new HVAC module. REFER to CLIMATE CONTROL . |
| U3003:16 | Battery Voltage: Circuit Voltage Below Threshold | REFER to CLIMATE CONTROL SYSTEM - GENERAL INFORMATION AND DIAGNOSTICS . |
| U3003:17 | Battery Voltage: Circuit Voltage Above Threshold | REFER to CLIMATE CONTROL SYSTEM - GENERAL INFORMATION AND DIAGNOSTICS . |
| All Other DTCs | - | REFER to the Master DTC Chart in MULTIFUNCTION ELECTRONIC MODULES . |