Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2016 Ford Focus STFACTORY OEM SERVICE PROCEDURE
HVAC Module DTC Table
DTC INDEX
| DTC | Description | Action |
|---|---|---|
| B1030:00 | Left Front Seat Heater: No Sub Type Information | REFER to: Front Seats |
| B1032:00 | Right Front Seat Heater: No Sub Type Information | REFER to: Front Seats |
| B105A:00 | Cabin Temperature Sensor Fan: No Sub Type Information | GO to Pinpoint Test P |
| B1081:00 | Left Temperature Damper Motor: No Sub Type Information | GO to Pinpoint Test K |
| B1082:00 | Right Temperature Damper Motor: No Sub Type Information | GO to Pinpoint Test L |
| B1083:00 | Recirculation Damper Motor: No Sub Type Information | GO to Pinpoint Test E |
| B1086:00 | Air Distribution Damper Motor: No Sub Type Information | GO to Pinpoint Test F |
| B10B3:00 | Right Panel Air Discharge Temperature: No Sub Type Information | GO to Pinpoint Test O |
| B10B4:00 | Right Floor Air Discharge Temperature: No Sub Type Information | GO to Pinpoint Test O |
| B10B5:00 | Left Panel Air Discharge Temperature: No Sub Type Information | GO to Pinpoint Test O |
| B10B6:00 | Left Floor Air Discharge Temperature: No Sub Type Information | GO to Pinpoint Test O |
| B10B8:00 | Push Buttons: No Sub Type Information | INSTALL a new HVAC control module. REFER to: Heating, Ventilation and Air Conditioning (HVAC) Control Module |
| B10B9:00 | Blower Control: No Sub Type Information | For the blower motor is inoperative, GO to Pinpoint Test M For all other blower motor symptoms, GO to Pinpoint Test N |
| B125B:00 | Air Distribution Damper "B" Motor | GO to Pinpoint Test F |
| B1A61:00 | Cabin Temperature Sensor: No Sub Type Information | GO to Pinpoint Test P |
| B1A63:00 | Right Solar Sensor: No Sub Type Information | GO to Pinpoint Test Q |
| B1A64:00 | Left Solar Sensor: No Sub Type Information | GO to Pinpoint Test Q |
| B1A69:00 | Humidity Sensor: No Sub Type Information | GO to Pinpoint Test P |
| C1B14:00 | Sensor Supply Voltage A: No Sub Type Information | GO to Pinpoint Test P |
| U0140:00 | Lost Communication With Body Control Module: No Sub Type Information | GO to Pinpoint Test C |
| U0155:00 | Lost Communication With Instrument Panel Cluster (IPC) Control Module: No Sub Type Information | GO to Pinpoint Test S |
| U0422:00 | Invalid Data Received From Body Control Module: No Sub Type Information | RETRIEVE and REPAIR all non-network Diagnostic Trouble Codes (DTCs) in the BCM. REFER to: Body Control Module (BCM) |
| U2100:00 | Initial Configuration Not Complete: No Sub Type Information | CHECK vehicle service history for recent service actions related to this module. This DTC sets due to incomplete or incorrect PMI procedures. If there have been recent service actions with this module, REPEAT/PERFORM the PMI procedure as directed by the scan tool. If there have been no recent service actions, INSTALL a new HVAC control module. REFER to: Heating, Ventilation and Air Conditioning (HVAC) Control Module |
| U2101:00 | Control Module Configuration Incompatible: No Sub Type Information | CHECK vehicle service history for recent service actions related to this module. This DTC sets due to incomplete or incorrect PMI procedures. If there have been recent service actions with this module, REPEAT/PERFORM the PMI procedure as directed by the scan tool. If there have been no recent service actions, INSTALL a new HVAC control module. REFER to: Heating, Ventilation and Air Conditioning (HVAC) Control Module |
| U3000:41 | Control Module: General Checksum Failure | INSTALL a new HVAC control module. REFER to: Heating, Ventilation and Air Conditioning (HVAC) Control Module |
| U3003:16 | Battery Voltage: Circuit Voltage Below Threshold | GO to Pinpoint Test R |
| U3003:17 | Battery Voltage: Circuit Voltage Above Threshold | GO to Pinpoint Test R |
Factory Service Tools
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.