Fault Codes/Caterpillar/1453-040Caterpillar1453-040UnclassifiedStartingWhat This Code MeansEngine fails to startPossible Causes•Starting motor failure•Dirty or loose electrical connectionsSuggested Actions1Check starting motor for proper operation2Check and clean the electrical connectionsRelated Caterpillar Fault Codes740074181451-04014561466-543-M&S145319004450-53514504450-535-LA1411Browse all Caterpillar fault codes→ASK RUDY ABOUT THIS FAULTGet a diagnosis walkthrough for 1453-040 on your specific Caterpillar unit — cited to the OEM manual, not a forum guess.TRY IT FREE