OBD-II Diagnostic Trouble Code
P1618
Sensor Reference Voltage 1 Circuit Erratic
P
Powertrain
engine / trans
engine / trans
1
Mfr
manufacturer code
manufacturer code
6
Computer & output circuits
18
Sensor Reference Voltage 1 Circuit Erratic
Severity · general guide
Moderate
Fix soon — usually won't strand you
Code type
Ram
System
Powertrain
Model
RAM 1500
Years
2002-2008