OBD fault code library
Look up any P or U code to see what it means, what causes it, the parts involved and how it gets fixed.
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Fault codes
P0846
Transmission Fluid Pressure Sensor/Switch B Circuit Range/Performance
Generic
Transmission System
High severity
P0847
Transmission Fluid Pressure Sensor/Switch B Circuit Low
Generic
Transmission System
High severity
P0849
Transmission Fluid Pressure Sensor/Switch B Circuit Intermittent
Generic
Transmission System
High severity
P0864
Traction Control Module (TCM) Communication Circuit Range/Performance
Generic
Transmission System
High severity
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