Aftertreatment 1 SCR Outlet Temperature Sensor Circuit - Voltage Below Normal or Shorted to Low Source CODES REASON EFFECT Fault Code: 3147 PID(P), SID(S): SPN: 4363 FMI: 4/4 Lamp: Amber SRT: Low signal voltage detected at the SCR outlet temperature sensor circuit. Possible reduced engine performance. Aftertreatment SCR Temperature Sensor Module.
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