OBD-II Diagnostic Trouble Code
P0851
Park/Neutral Switch Input Circuit Low
P
Powertrain
engine / trans
engine / trans
0
Generic
SAE standard
SAE standard
8
Transmission
51
Park/Neutral Switch Input Circuit Low
Severity · general guide
Moderate
Fix soon — usually won't strand you
Code type
Generic
System
Powertrain
Standard
ISO/SAE Controlled
Fault type
Circuit Low