Fault Codes/Caterpillar/7450Caterpillar7450UnclassifiedGeneralWhat This Code MeansNoticeable changes in gauge readings; Gauge readings change even if within specificationsPossible Causes•Potential problem with a gauge•Potential problem with the engineSuggested Actions1Determine the cause of the significant change in the readings2Correct the cause of the significant change in the readings3Consult Caterpillar dealer for assistanceRelated Caterpillar Fault Codes75427542-554-OC1395-0827554-0401357-5107554-5101357-0401357-0251348-554-SM1000-00881 O/U50/51Browse all Caterpillar fault codes→ASK RUDY ABOUT THIS FAULTGet a diagnosis walkthrough for 7450 on your specific Caterpillar unit — cited to the OEM manual, not a forum guess.TRY IT FREE