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DTC21792 (VSM Serial number Error)

We followed troubleshooting steps and verified truck serial number matches VSM.
Could use some troubleshooting help
  • Posted 18 Jan 2023 06:14
  • By MichaelL
  • joined 4 Jan'23 - 3 messages
  • New York, United States
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Showing items 1 - 2 of 2 results.
No sir, we have swapped nothing out.
Any suggestions?
  • Posted 24 Jan 2023 03:17
  • By MichaelL
  • joined 4 Jan'23 - 3 messages
  • New York, United States
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Did you install a display or VSM from another unit into this truck?
  • Posted 23 Jan 2023 17:33
  • By Ed_Hrebec
  • joined 22 Jan'23 - 2 messages
  • Oregon, United States
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