: If the board is beyond repair, replacements are available on specialty sites like TV Parts Today .
Hold the tool still. The screen will flash an LF signal icon. Within 5 seconds, the tool will display the sensor ID, current pressure, tire temperature, and internal battery status. Programming a Blank Aftermarket Sensor Select from the main menu.
Typically found in 37-inch to 65-inch models from brands like Connectivity:
: Found in models ranging from 40" to 65" UHD TVs. tpms3458pc757 service manual
This board is designed to support 4K UHD resolutions for screens ranging from 37 to 65 inches. TV Parts Today
Hold the top antenna edge of the TPMS3458PC757 against the tire sidewall, directly adjacent to the valve stem. Press the green button.
Press . Do not move the sensor until the progress bar reaches 100% and a "Programming Successful" message appears. 4. Troubleshooting and Error Code Matrix : If the board is beyond repair, replacements
Leo whispered, “What are you?”
And for the first time, the machine kept silent—because it had finally been heard.
Match the baud rate and parity settings of the PLC master to the module defaults. Advanced Troubleshooting: Eliminating Signal Dropping Within 5 seconds, the tool will display the
Run a Device Self-Test. If antenna fails, open the casing and check the solder joints on the top coil antenna.
This indicates a problem with the power delivery to the main board or a fault on the board itself.
If the power supply is providing correct voltages but the TV still doesn't work, the motherboard TPMS3458PC757 may be faulty. Before condemning it, rule out other parts:
| Symptom | Likely Fix | |--------|-------------| | No signal | Relearn with TPMS tool; replace battery (not replaceable – needs new sensor) | | Intermittent warning | Check for corrosion at valve stem; torque to 4 Nm | | Wrong pressure reading | Recalibrate via vehicle’s TPMS learn mode | | Sensor not cloning | Use a programmable replacement (e.g., Autel MX-sensor) |
The key is to approach the repair systematically: identify the symptom, isolate the most likely subsystem (power, main board, backlights), and then seek the specific data—whether it's a voltage measurement, a Factory Menu code, or a firmware dump—needed to complete the fix.