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 MANUALSMAZDA2009TRIBUTE 4WD L4-2.5LREPAIR AND DIAGNOSISMAINTENANCEWHEELS AND TIRESTIRE MONITORING SYSTEMTIRE PRESSURE MODULESERVICE AND REPAIR
2009 Mazda Tribute 4WD L4-2.5L
Tire Pressure Module: Service and Repair
2009 Mazda Tribute 4WD L4-2.5LSECTION Service and Repair
TIRE PRESSURE MONITORING SYSTEM MODULE REMOVAL/INSTALLATION
CAUTION:Electronic modules are sensitive to static electrical charges. If exposed to these charges, damage can result.
NOTE:The tire pressure monitoring system (TPMS) is integral to the smart junction box (SJB) and is not serviced separately.
NOTE:A new SJB module is delivered in manufacturing mode with pre-set diagnostic trouble codes (DTCs). These DTCs require that a particular set of operations to be carried out in order to clear them and enable the module for normal operations. The pre-set DTCs are as follows: B2477 - Module Configuration Failure/MismatchB2868 - Left Front Tire Pressure Sensor FaultB2869 - Right Front Tire Pressure Sensor FaultB2870 - Left Rear Tire Pressure Sensor FaultB2871 - Right Rear Tire Pressure Sensor FaultC2780 - ECU in Manufacturing Mode
NOTE:A reconfigured SJB may also set the above codes and will need to go through the same set of procedures as a new module to enable normal operation.
NOTE:The steps included in the SJB removal and installation process are critical to tire pressure monitoring system (TPMS) operations and will permit a new or reconfigured module to operate as intended. Each step is designed to carry out a particular operation and clear the manufacturing mode DTCs. Once these DTCs are cleared, the new or reconfigured module will enter into normal operating mode.
1. Remove the SJB. See Smart Junction Box (SJB) Removal/Installation.
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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.