Caterpillar

1466-543-M&S

UnclassifiedAir Intake

What This Code Means

Freezing of the air starting system; Corrosion of internal parts; Malfunction of the air starting system

Possible Causes

  • •Moisture and sediment in the air starting system
  • •Moisture in the air starting system
  • •Sediment in the air starting system

Suggested Actions

  1. 1Close the drain valve
  2. 2Close the drain valve.
  3. 3Drain moisture and sediment from the air tank
  4. 4Open the drain valve on the bottom of the air tank to allow moisture and sediment to drain
  5. 5Open the drain valve that is on the bottom of the air tank and allow the moisture and sediment to drain.

Related Caterpillar Fault Codes

7452-0401371-04013711064-08119004450-53514564450-535-LA1453-040446214534471-081-T
Browse all Caterpillar fault codes

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