Fault Codes/Power Solutions International, Inc./DTC - 520Power Solutions International, Inc.DTC - 520UnclassifiedGeneralWhat This Code MeansDTC - 520Suggested Actions1Remove all test equipment except the DST2Connect any disconnected components, fuses, etc.3Using the DST clear DTC information from the ECM4Turn the ignition OFF and wait 30 seconds5Start the engine and operate the vehicle to full operating temperature6Observe the MIL7Observe engine performance and drivability8After operating the engine within the test parameters of DTC - 520 check for any stored codesRelated Power Solutions International, Inc. Fault CodesDTC 2 34DTC 15 74DTC - 359DTC 89 20520240:3DTC 1088920DTC 1218916DTC 1238914DTC 127Browse all Power Solutions International, Inc. fault codes→ASK RUDY ABOUT THIS FAULTGet a diagnosis walkthrough for DTC - 520 on your specific Power Solutions International, Inc. unit — cited to the OEM manual, not a forum guess.Your question about DTC - 520GET THE ANSWERFree account required — we'll bring your question with you.