FixVault
Home
›
Fiat
›
2021
›
500X Pop
›
Repair and Diagnosis
›
Engine Performance
›
System
›
1.3L - DTCS U0121 To U1504
›
DTC Troubleshooting
›
U148C-Implausible Data Received From Stop/Start Button
›
Set Condition
Set Condition
The Powertrain Control Module (PCM) receives a Stop/Start Off/On button pressed signal for more than five continuous minutes.