SPN and FMI codes – dragonecmbackup
Parking and/or Trailer Air Pressure: 1087: Service Brake Air Pressure Circuit #1: 1088: Service Brake Air Pressure Circuit #2: 1089: Auxiliary Equipment Supply Pressure: 1090: Air Suspension Supply Pressure: 1091: Brake Application Pressure High Range, Front Axle, Left Wheel: 1092: Brake Application Pressure High Range, Front Axle, Right Wheel ...
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