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.
2011 Ford Focus SES, AutomaticFACTORY OEM SERVICE PROCEDURE
Climate Control System DTCS
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 J . |
| All Other DTCs | - | REFER to INTRODUCTION - GASOLINE MODELS article. |
HVAC MODULE DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Description | Action to Take |
|---|---|---|
| B1200 | Stuck Button | Button held too long may set DTC. ATTEMPT to clean buttons. If code returns, INSTALL a new HVAC module. REFER to HVAC - CLIMATE CONTROL SYSTEM article. |
| B1255 | Air Temperature External Sensor Circuit Open | GO to PINPOINT TEST O . |
| B1257 | Air Temperature External Sensor Circuit Short To Ground | GO to PINPOINT TEST O . |
| B12A4 | Mode Door Actuator, Drive Circuit(s) Shorted to Battery Voltage | GO to PINPOINT TEST F . |
| B12A5 | Mode Door Actuator, Feedback Circuit Open or Shorted to Battery Voltage | GO to PINPOINT TEST F . |
| B12A6 | Mode Door Actuator, Feedback Circuit Shorted to Ground | GO to PINPOINT TEST F . |
| B12A7 | Mode Door Actuator, Slow or Door Obstructed | GO to PINPOINT TEST F . |
| B12A8 | Recirc Door Actuator, Drive Circuit(s) Open or Shorted to Ground | GO to PINPOINT TEST E . |
| B12A9 | Recirc Door Actuator, Drive Circuit(s) Shorted to Battery Voltage | GO to PINPOINT TEST E . |
| B12AA | Recirc Door Actuator, Slow or Door Obstructed | GO to PINPOINT TEST E . |
| B12AF | Front Blower Motor Relay Drive Circuit Shorted to Battery Voltage | GO to PINPOINT TEST L . |
| B12B0 | Front Blower Motor Relay Drive Circuit Open or Shorted to Ground | If the blower motor is inoperative, GO to PINPOINT TEST L
. If the blower motor is always on, REPAIR circuit CH123 (VT/GN) for a short to ground. CLEAR the DTCs. REPEAT the self-test. TEST the system for normal operation. |
| B12B3 | Blend Door Actuator, Drive Circuit(s) Shorted to Battery Voltage | GO to PINPOINT TEST K . |
| B12B5 | Blend Door Actuator, Feedback Circuit Open or Shorted to Battery Voltage | GO to PINPOINT TEST K . |
| B12B6 | Blend Door Actuator, Feedback Circuit Shorted to Ground | GO to PINPOINT TEST K . |
| B12B7 | Blend Door Actuator, Slow or Door Obstructed | GO to PINPOINT TEST K . |
| B12B9 | Vref (5V) Drive Circuit Shorted to Battery Voltage | REPAIR circuit LH111 (BN/WH) for a short to voltage. CLEAR the DTCs. REPEAT the self-test. TEST the system for normal operation. |
| B12BA | Vref (5V) Drive Circuit Shorted to Ground | REPAIR circuit LH111 (BN/WH) for a short to ground. CLEAR the DTCs. REPEAT the self-test. TEST the system for normal operation. |
| B1342 | Module is Faulted | INSTALL a new HVAC module. REFER to HVAC - CLIMATE CONTROL SYSTEM article. |
| B1676 | Battery Voltage Out of Range | GO to PINPOINT TEST N . |
| B2826 | Front Evaporator Temp Sensor Circuit Failure | GO to PINPOINT TEST C . |
| B2827 | Front Evaporator Temp Sensor Short to Ground | GO to PINPOINT TEST C . |
| B297A | Blend Door Actuator, Drive Circuit(s) Open | GO to PINPOINT TEST K . |
| B297B | Blend Door Actuator, Drive Circuit(s) Shorted to Ground | GO to PINPOINT TEST K . |
| B298A | Mode Door Actuator, Drive Circuit(s) Open | GO to PINPOINT TEST F . |
| B298B | Mode Door Actuator, Drive Circuit(s) Shorted to Ground | GO to PINPOINT TEST F . |
| U0140 | Lost Communication With Generic Electronic Module (GEM) | CLEAR The DTCs. REPEAT the self-test. If the DTC returns, REFER to MODULE COMMUNICATIONS NETWORK article to diagnose the lost communication with the Smart Junction Box (SJB). |
| U2050 | No Application Present | INSTALL a new HVAC module. REFER to HVAC - CLIMATE CONTROL SYSTEM article. |
| All Other DTCs | - | REFER to the Master DTC Chart in MULTIFUNCTION ELECTRONIC MODULES article. |
Factory Service Tools
Use the Manual With the Right Hardware
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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.