Err39

• Cause of failure: controller version error

  Solution: replace controller

  Tools: allen wrench/outer hexagon socket wrench (#8）; phillips screwdriver

  Note: Turn off the truck. Choose the right tool to prevent threads damage.

  
  

  Required information for warranty claims:

  1. Photo of truck name plate;

  2. Video of error code;

  3. Video of all angles of the claimed part

  
  

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