Toyota, Lexus, Scion TPMS loop mode help

Bartec WRTRST50/Schrader 21250 TPMS System Reset Tool Instruction sheet

NOTE* - This tool is specific to Toyota, Lexus, and Scion vehicles ONLY!

Note** The Bartec WRTRST50/Schrader 21250 tool is to be used along with a properly formatted TPMS scan tool!

Systems of a Toyota/Lexus Scion TPMS system to become locked in loop mode:

If your TPMS tool gives you the error message of: "cannot WRITE the ID's to the control module" while performing a TPMS relearn on a Toyota/Lexus/Scion, the vehicle's TPMS system is stuck in a "loop mode."

What causes a Toyota/Lexus/Scion TPMS system to go into "loop mode?"

- If the TPMS reset switch is pressed (in those cars equipped with it) AFTER a TPMS sensor replacement and BEFORE the new sensor(S) are programmed to the Control Module by a TPMS scan tool, the vehicle can become stuck in a loop. The vehicle is searching for older TPMS IDs that are no longer there.
- Driving the vehicle with the TPMS warning symbol on for an extended period of time.

How to use the Bartec WRTRST50/Schrader 21250 Reset Tool
1. Insert the Bartec WRTRST50/Schrader 21250 tool into the DLC3 (OBD port) on the vehicle.
2. Once connected, turn the ignition to the key ON/Engine Off position.
3. Press and hold the button on the Bartec WRTRST50/Schrader 21250 tool for at least 30 seconds.
4. Remove the Bartec WRTRST50/Schrader 21250 tool, and resume the TPMS relearn using your TPMS scan tool.

NOTE- The System Reset Tool does not work with Land Cruiser models