Cummins Onan error code 82 (EGT Sensor Shorted)
Short circuit in the Exhaust Gas Temperature sensor. Authorized dealer service required.
What to check, and in what order, is in the app. The flow Read Fault Code (Entry Point) walks this code step by step with the pass/fail measurements, wiring schematics and procedures that go with it, and it works offline in the bay.
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- Cummins/Onan RV Generator Set Operator Manual 0983-0101 (Issue 6), Fault Codes / Table 5