Dual Automatic Temperature Control (DATC): HVAC
NOTE:
Some PCM Diagnostic Trouble Codes (DTCs) may inhibit A/C operation. If any PCM Diagnostic Trouble Codes (DTCs) are retrieved, diagnose those first. Refer to the PCM DTC Chart.
| DTC | Description | Action |
|---|---|---|
| B1034:11 | Left Front Seat Heater Element: Circuit Short To Ground | REFER to: Front Seats (501-10A Front Seats, Diagnosis and Testing). |
| B1034:12 | Left Front Seat Heater Element: Circuit Short To Battery | REFER to: Front Seats (501-10A Front Seats, Diagnosis and Testing). |
| B1034:13 | Left Front Seat Heater Element: Circuit Open | REFER to: Front Seats (501-10A Front Seats, Diagnosis and Testing). |
| B1036:11 | Right Front Seat Heater Element: Circuit Short To Ground | REFER to: Front Seats (501-10A Front Seats, Diagnosis and Testing). |
| B1036:12 | Right Front Seat Heater Element: Circuit Short To Battery | REFER to: Front Seats (501-10A Front Seats, Diagnosis and Testing). |
| B1036:13 | Right Front Seat Heater Element: Circuit Open | REFER to: Front Seats (501-10A Front Seats, Diagnosis and Testing). |
| B1038:11 | Left Front Seat Heater Sensor: Circuit Short To Ground | REFER to: Front Seats (501-10A Front Seats, Diagnosis and Testing). |
| B1038:15 | Left Front Seat Heater Sensor: Circuit Short To Battery or Open | REFER to: Front Seats (501-10A Front Seats, Diagnosis and Testing). |
| B103A:11 | Right Front Seat Heater Sensor: Circuit Short To Ground | REFER to: Front Seats (501-10A Front Seats, Diagnosis and Testing). |
| B103A:15 | Right Front Seat Heater Sensor: Circuit Short To Battery or Open | REFER to: Front Seats (501-10A Front Seats, Diagnosis and Testing). |
| B105A:12 | Cabin Temperature Sensor Fan: Circuit Short To Battery | GO to Pinpoint Test C |
| B105A:14 | Cabin Temperature Sensor Fan: Circuit Short To Ground or Open | GO to Pinpoint Test C |
| B1081:12 | Left Temperature Damper Motor: Circuit Short To Battery | GO to Pinpoint Test I |
| B1081:14 | Left Temperature Damper Motor: Circuit Short To Ground or Open | GO to Pinpoint Test I |
| B1081:71 | Left Temperature Damper Motor: Actuator Stuck | GO to Pinpoint Test I |
| B1081:74 | Left Temperature Damper Motor: Actuator Slipping | GO to Pinpoint Test I |
| B1082:12 | Right Temperature Damper Motor: Circuit Short To Battery | GO to Pinpoint Test E |
| B1082:14 | Right Temperature Damper Motor: Circuit Short To Ground or Open | GO to Pinpoint Test E |
| B1082:71 | Right Temperature Damper Motor: Actuator Stuck | GO to Pinpoint Test E |
| B1082:74 | Right Temperature Damper Motor: Actuator Slipping | GO to Pinpoint Test E |
| B1083:12 | Recirculation Damper Motor: Circuit Short To Battery | GO to Pinpoint Test F |
| B1083:14 | Recirculation Damper Motor: Circuit Short To Ground or Open | GO to Pinpoint Test F |
| B1083:71 | Recirculation Damper Motor: Actuator Stuck | GO to Pinpoint Test F |
| B1083:74 | Recirculation Damper Motor: Actuator Slipping | GO to Pinpoint Test F |
| B1086:12 | Air Distribution Damper Motor: Circuit Short To Battery | GO to Pinpoint Test G |
| B1086:14 | Air Distribution Damper Motor: Circuit Short To Ground or Open | GO to Pinpoint Test G |
| B1086:71 | Air Distribution Damper Motor: Actuator Stuck | GO to Pinpoint Test G |
| B1086:74 | Air Distribution Damper Motor: Actuator Slipping | GO to Pinpoint Test G |
| B10AF:11 | Blower Fan Relay: Circuit Short To Ground | GO to Pinpoint Test J |
| B10AF:15 | Blower Fan Relay: Circuit Short To Battery or Open | If the blower motor is inoperative, GO to Pinpoint Test J If the blower motor will not shut off, GO to Pinpoint Test K |
| B10B3:11 | Right Panel Air Discharge Temperature: Circuit Short To Ground | GO to Pinpoint Test R |
| B10B3:15 | Right Panel Air Discharge Temperature: Circuit Short To Battery or Open | GO to Pinpoint Test R |
| B10B4:11 | Right Floor Air Discharge Temperature: Circuit Short To Ground | GO to Pinpoint Test R |
| B10B4:15 | Right Floor Air Discharge Temperature: Circuit Short To Battery or Open | GO to Pinpoint Test R |
| B10B5:11 | Left Panel Air Discharge Temperature: Circuit Short To Ground | GO to Pinpoint Test R |
| B10B5:15 | Left Panel Air Discharge Temperature: Circuit Short To Battery or Open | GO to Pinpoint Test R |
| B10B6:11 | Left Floor Air Discharge Temperature: Circuit Short To Ground | GO to Pinpoint Test R |
| B10B6:15 | Left Floor Air Discharge Temperature: Circuit Short To Battery or Open | GO to Pinpoint Test R |
| B10B8:63 | Push Buttons: Circuit / Component Protection Time-Out | Buttons held too long may set this DTC. ATTEMPT to clean buttons. CLEAR the Diagnostic Trouble Codes (DTCs) and REPEAT the self-test. If the DTC does not return, IGNORE the DTC and CONTINUE diagnosing other Diagnostic Trouble Codes (DTCs) or symptoms. If the DTC returns, INSTALL a new HVAC control module. REFER to the appropriate procedure in Group 412-00. |
| B10B9:12 | Blower Control: Circuit Short To Battery | GO to Pinpoint Test J |
| B10B9:14 | Blower Control: Circuit Short To Ground or Open | If the blower motor is inoperative, GO to Pinpoint Test J If the blower motor will not shut off, GO to Pinpoint Test K |
| B125B:12 | Air Distribution Damper "B" Motor: Circuit Short To Battery | GO to Pinpoint Test G |
| B125B:14 | Air Distribution Damper "B" Motor: Circuit Short To Ground or Open | GO to Pinpoint Test G |
| B125B:71 | Air Distribution Damper "B" Motor: Actuator Stuck | GO to Pinpoint Test G |
| B125B:74 | Air Distribution Damper "B" Motor: Actuator Slipping | GO to Pinpoint Test G |
| B12CA:11 | Start/Stop "Eco-Start" Status Indicator: Circuit Short To Ground | GO to Pinpoint Test Z |
| B12CA:15 | Start/Stop "Eco-Start" Status Indicator: Circuit Short To Battery or Open | GO to Pinpoint Test Z |
| B145F:12 | Rear Positive Temperature Coefficient Heater: Circuit Short To Battery | GO to Pinpoint Test U |
| B145F:14 | Rear Positive Temperature Coefficient Heater: Circuit Short To Ground or Open | GO to Pinpoint Test U |
| B1474:12 | Heater Relay 1: Circuit Short To Battery | GO to Pinpoint Test T |
| B1474:14 | Heater Relay 1: Circuit Short To Ground or Open | GO to Pinpoint Test T |
| B14AE:11 | Actuators Power Supply: Circuit Short To Ground | GO to Pinpoint Test AA |
| B14AE:12 | Actuators Power Supply: Circuit Short To Battery | GO to Pinpoint Test AA |
| B14AE:13 | Actuators Power Supply: Circuit Open | GO to Pinpoint Test AA |
| B1A61:11 | Cabin Temperature Sensor: Circuit Short To Ground | GO to Pinpoint Test C |
| B1A61:15 | Cabin Temperature Sensor: Circuit Short To Battery or Open | GO to Pinpoint Test C |
| B1A63:11 | Right Solar Sensor: No Sub Type Information | GO to Pinpoint Test Q |
| B1A63:15 | Right Solar Sensor: Circuit Short To Battery or Open | GO to Pinpoint Test Q |
| B1A64:11 | Left Solar Sensor: No Sub Type Information | GO to Pinpoint Test Q |
| B1A64:15 | Left Solar Sensor: Circuit Short To Battery or Open | GO to Pinpoint Test Q |
| B1A69:12 | Humidity Sensor: Circuit Short To Battery | GO to Pinpoint Test C |
| B1A69:14 | Humidity Sensor: Circuit Short To Ground or Open | GO to Pinpoint Test C |
| B1A69:92 | Humidity Sensor: Performance or Incorrect Operation | GO to Pinpoint Test C |
| B1B71:11 | Evaporator Temperature Sensor: Circuit Short To Ground | GO to Pinpoint Test D |
| B1B71:15 | Evaporator Temperature Sensor: Circuit Short To Battery or Open | GO to Pinpoint Test D |
| U0140:00 | Lost Communication With Body Control Module: No Sub Type Information | GO to Pinpoint Test N |
| U0151:00 | Lost Communication With Restraints Control Module: No Sub Type Information | GO to Pinpoint Test AB |
| U0155:00 | Lost Communication With Instrument Panel Cluster (IPC) Control Module: No Sub Type Information | GO to Pinpoint Test O |
| U0253:00 | Lost Communication With Accessory Protocol Interface Module: No Sub Type Information | GO to Pinpoint Test AC |
| U0401:00 | Invalid Data Received from ECM/PCM A: No Sub Type Information | This DTC sets when the HVAC control module receives invalid network data for the engine temperature or RPM from the PCM. RETRIEVE and REPAIR all non-network Diagnostic Trouble Codes (DTCs) in the PCM and other modules on the network. REFER to the appropriate 303-14 section. If no Diagnostic Trouble Codes (DTCs) are present in the PCM, DIAGNOSE the observable symptom. |
| U0401:82 | Invalid Data Received from ECM/PCM A: No Sub Type Information | This DTC sets when the HVAC control module receives invalid network data for the engine temperature or RPM from the PCM. RETRIEVE and REPAIR all non-network Diagnostic Trouble Codes (DTCs) in the PCM and other modules on the network. REFER to the appropriate 303-14 section. If no Diagnostic Trouble Codes (DTCs) are present in the PCM, DIAGNOSE the observable symptom. |
| U0422:68 | Invalid Data Received From Body Control Module: Event Information | GO to Pinpoint Test N |
| U0422:81 | Invalid Data Received From Body Control Module: Invalid Serial Data Received | GO to Pinpoint Test N |
| U0452:82 | Invalid Data Received From Restraints Control Module: Alive / Sequence Counter Incorrect / Not Updated | This DTC sets when the HVAC control module receives invalid network data from the RCM. RETRIEVE and REPAIR all non-network Diagnostic Trouble Codes (DTCs) in the RCM and other modules on the network. REFER to the appropriate 501-20B procedure. If no Diagnostic Trouble Codes (DTCs) are present in the RCM, DIAGNOSE the observable symptom. |
| U1000:00 | Solid State Driver Protection Active -Driver Disabled: No Sub Type Information | CLEAR all HVAC control module Diagnostic Trouble Codes (DTCs). REPEAT the self-test. If U1000:00 returns, INSTALL a new module. Refer to the appropriate procedure in Group 412-00. |
| U2024:51 | Control Module Cal-Config Data: Not Programmed | CHECK the service history for recent service actions related to the HVAC control module. This DTC sets due to incomplete or improper PMI procedures. If there have been recent service actions with this module, REPEAT the PMI procedure using as-built data. FOLLOW the diagnostic scan tool instructions. If there have been no recent service actions, INSTALL a new HVAC control module to correct the failure to retain configuration data. Refer to the appropriate procedure in Group 412-00. |
| U2100:00 | Initial Configuration Not Complete: No Sub Type Information | CHECK the service history for recent service actions related to the HVAC control module. This DTC sets due to incomplete or improper PMI procedures. If there have been recent service actions with this module, REPEAT the PMI procedure using as-built data. FOLLOW the diagnostic scan tool instructions. If there have been no recent service actions, INSTALL a new HVAC control module to correct the failure to retain configuration data. Refer to the appropriate procedure in Group 412-00. |
| U3000:41 | Control Module: General Checksum Failure | CHECK the service history for recent service actions related to the HVAC control module. This DTC sets due to incomplete or improper PMI procedures. If there have been recent service actions with this module, REPEAT the PMI procedure using as-built data. FOLLOW the diagnostic scan tool instructions. If there have been no recent service actions, INSTALL a new HVAC control module to correct the checksum failure. Refer to the appropriate procedure in Group 412-00. |
| U3000:49 | Control Module: Internal Electronic Failure | INSTALL a new HVAC control module. Refer to the appropriate procedure in Group 412-00. |
| U3003:16 | Battery Voltage: Circuit Voltage Below Threshold | GO to Pinpoint Test P |
| U3003:17 | Battery Voltage: Circuit Voltage Above Threshold | GO to Pinpoint Test P |