GM SPECIFIC VPW – Elapsed Time Since Engine Start
Display the Elapsed Time Since Engine Start on GM vehicles that use the VPW protocol.
- Elapsed Time Since Engine Start
If you try all available XGauges for a certain sensor and it doesn’t report any data then the sensor is most likely not supported by the vehicle. Sometimes the value 01 needs to be added to the end of a TXD to get the XGauge to work. This is why there is a (01) at the end of each of these XGauge’s TXD line.