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.
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HOMESERVICE MANUALSFORD2010FOCUS SES, 2D COUPE, AUTOMATICREPAIR AND DIAGNOSISQUICK LOOKUPSDTC INDEXWHEEL AND TIRE SYSTEM DTCS
2010 Ford Focus SES, 2D Coupe, Automatic
Wheel And Tire System DTCS
2010 Ford Focus SES, 2D Coupe, AutomaticSECTION Wheel And Tire System DTCS
Tire Pressure Monitoring System (TPMS) DTC Chart
| DTC | Description | Source | Action |
|---|---|---|---|
| B106B | Tire Pressure Sensor Low Battery | Smart Junction Box (SJB) | DTC B106B can be set during SJB configuration. GO to PINPOINT TEST G . |
| B106D | Tire Pressure Monitoring System (TPMS) Initiators Not Configured | SJB | DTC B106D is only present when a new SJB is installed, the SJB is incorrectly flashed or the SJB is incorrectly configured. Successfully configuring the SJB is the only way to clear this DTC. VERIFY the SJB is correctly configured. If DTC B106D is still present, REFER to MODULE CONFIGURATION . |
| B2477 | Module Configuration Failure/Mismatch | SJB | DTC B2477 is only present when a new SJB is installed, the SJB is incorrectly flashed or the SJB is incorrectly configured. Successfully configuring the SJB is the only way to clear this DTC. MAKE SURE the SJB is configured correctly. If DTC B2477 is still present, REFER to MODULE CONFIGURATION . |
| B2868 | LF Tire Pressure Sensor Fault | SJB | DTC B2868 is only present when a new SJB is installed, the SJB is flashed or the SJB is reconfigured. TRAIN the tire pressure sensors. REFER to TIRE PRESSURE MONITORING SYSTEM (TPMS) SENSOR TRAINING . |
| B2869 | RF Tire Pressure Sensor Fault | SJB | DTC B2869 is only present when a new SJB is installed, the SJB is flashed or the SJB is reconfigured. TRAIN the tire pressure sensors. REFER to TIRE PRESSURE MONITORING SYSTEM (TPMS) SENSOR TRAINING . |
| B2870 | RR Tire Pressure Sensor Fault | SJB | DTC B2870 is only present when a new SJB is installed, the SJB is flashed or the SJB is reconfigured. TRAIN the tire pressure sensors. REFER to TIRE PRESSURE MONITORING SYSTEM (TPMS) SENSOR TRAINING . |
| B2871 | LR Tire Pressure Sensor Fault | SJB | DTC B2871 is only present when a new SJB is installed, the SJB is flashed or the SJB is reconfigured. TRAIN the tire pressure sensors. REFER to TIRE PRESSURE MONITORING SYSTEM (TPMS) SENSOR TRAINING . |
| B2872 | Tire Pressure Sensor Fault | SJB |
NOTE:
If the vehicle has been stationary for more than 30 minutes, the sensors will go into a "sleep mode" to conserve battery power. It will be necessary to wake them up so they will transmit the latest tire pressure information to the SJB
. ACTIVATE the TPMS
sensors. REFER to TIRE PRESSURE MONITORING SYSTEM (TPMS) SENSOR ACTIVATION
. GO to PINPOINT TEST F
. |
| B287A | Tire Pressure System Fault | SJB | GO to PINPOINT TEST F . |
| C2780 | ECU in Manufacturing Mode | SJB | DTC C2780 is only present when a new SJB is installed, the SJB is flashed or the SJB is reconfigured. TRAIN the tire pressure sensors. REFER to TIRE PRESSURE MONITORING SYSTEM (TPMS) SENSOR TRAINING . |
| U0155 | Lost Communication with Instrument Cluster (IC) | SJB | REFER to MODULE COMMUNICATIONS NETWORK to diagnose the no communication problem. |
| All other SJB DTCs | - | SJB | REFER to the Master DTC Chart in MULTIFUNCTION ELECTRONIC MODULES . |
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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.