Fault Codes/Caterpillar/1352Caterpillar1352UnclassifiedLubricationWhat This Code MeansInternal cavitation; Corrosion; Engine boiling; Engine freezingPossible Causes•Improper coolant condition•Lack of engine protection from coolant degradationSuggested Actions1Test the engine coolant2Perform S·O·S Coolant Analysis at a Caterpillar dealer to monitor coolant and cooling system conditionRelated Caterpillar Fault Codes13951317-0701261-510-SE1205-0401064-0701052-0401000-0701352-04513531350-535-FLV1357-0251350-070Browse all Caterpillar fault codes→ASK RUDY ABOUT THIS FAULTGet a diagnosis walkthrough for 1352 on your specific Caterpillar unit — cited to the OEM manual, not a forum guess.Your question about 1352GET THE ANSWERFree account required — we'll bring your question with you.