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
P1873
Transmission Mechanical 4-Wheel Drive Axle Lock Lamp Circuit Short To Battery
Transmission System
High severity
P1874
Transmission Automatic Hall Effect Sensor Power Circuit Failure
Transmission System
High severity
P1877
Transmission Transfer Case 2-Wheel Drive Solenoid Circuit Short To Battery
Transmission System
High severity
P1878
Transmission Transfer Case Disengaged Solenoid Circuit Failure
Transmission System
High severity
P1909
Trans Temp Sensor Circuit Open or Shorted to Power or Ground
Transmission System
High severity
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