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HVAC Control Module DTC Chart (with MS-CAN)

DTC Description Action
B1081:11 Left Temperature Damper Motor: Circuit Short to Ground GO to PINPOINT TEST L 
B1081:12 Left Temperature Damper Motor: Circuit Short to Battery GO to PINPOINT TEST L 
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 
B1086:11 Air Distribution Damper Motor: Circuit Short to Ground GO to PINPOINT TEST H 
B1086:12 Air Distribution Damper Motor: Circuit Short to Battery GO to PINPOINT TEST H 
B10B8:97 Push Buttons: Component or System Operation Obstructed or Blocked
  • Buttons held too long may set this DTC.
  • ATTEMPT to clean the 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: CLIMATE CONTROL ASSEMBLY .
U0140:00 Lost Communication With Body Control Module: No Sub Type Information GO to PINPOINT TEST O 
U0155:00 Lost Communication With Instrument Panel Cluster (IPC) Control Module: No Sub Type Information GO to PINPOINT TEST P 
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: CLIMATE CONTROL ASSEMBLY .
U2101:00 Control Module Configuration Incompatible
  • 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: CLIMATE CONTROL ASSEMBLY .
U3000:00 Control Module: No Sub Type Information INSTALL a new HVAC control module.
REFER to: CLIMATE CONTROL ASSEMBLY .

Diagnostics in this article assume a certain skill level and knowledge of Ford-specific diagnostic practices. For information about these practices, REFER to: DIAGNOSTIC METHODS .

DTC CHART

DTC Description Action
1-0 Recirculation Button Performance This DTC sets if the RECIRC button is held for more than 2 minutes. ATTEMPT to clean buttons. CLEAR the Diagnostic Trouble Codes (DTCs). REPEAT the self-test. If DTC returns, INSTALL a new HVAC control module.
REFER to: CLIMATE CONTROL ASSEMBLY .
1-1 Diagnostics Mode Entered - No DTC Set This DTC indicates that no HVAC faults are present at this time.
1-2 A/C Button Performance This DTC sets if the A/C button is held for more than 2 minutes. ATTEMPT to clean buttons. CLEAR the Diagnostic Trouble Codes (DTCs). REPEAT the self-test. If code returns, INSTALL a new HVAC control module.
REFER to: CLIMATE CONTROL ASSEMBLY .
2-1 Blend Feedback Circuit/Performance GO to PINPOINT TEST L 
2-2 Blend Motor Driver Circuit/Performance GO to PINPOINT TEST L 
2-3 Blend Actuator Calibration Performance GO to PINPOINT TEST L 
3-1 Mode Feedback Circuit/Performance GO to PINPOINT TEST H 
3-2 Mode Motor Driver Circuit/Performance GO to PINPOINT TEST H 
3-3 Mode Actuator Calibration Performance GO to PINPOINT TEST H 
4-2 Recirculation Motor Driver Circuit/Performance GO to PINPOINT TEST G 
4-4 Feedback Reference Circuit/Performance GO to PINPOINT TEST W 
5-1 Blower Relay Driver Circuit/Performance
5-2 A/C Select Drive Circuit/Performance
5-3 Battery Voltage Low GO to PINPOINT TEST X 
5-4 Battery Voltage High GO to PINPOINT TEST X 
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