Power Solutions International

DTC 1022

UnclassifiedGeneral

What This Code Means

DTC 1022 displays

Possible Causes

  • •Wire connected to terminal at the MFG is partially or completely shorted to power (Vbat, Vsw, Vrelay, etc.)
  • •Intermittent problem

Suggested Actions

  1. 1Perform the On-Board (OBD) System Check
  2. 2With Key ON, Engine Running, and System Mode set to 'Running', check if the DTC displays
  3. 3Inspect the wire connected to the terminal at the MFG for a partial or complete short to power

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Get a diagnosis walkthrough for DTC 1022 on your specific Power Solutions International unit — cited to the OEM manual, not a forum guess.

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