This achievement is exclusive to the Claptrap's New Robot Revolution DLC. In order to unlock this achievement, you must inspect the plaques of the 6 Claptrap statues scattered around the DLC. Most of these statues are hard to miss since they're usually close to the area transition to Tartarus Station.
1. Hyperion Dump: this statue can be found just outside the area transition to Tartarus Station, hard to miss.
2. Sander's Gorge: once again, hard to miss since it's near the area transition.
3. Dividing Faults: same as the last 2, it's near the area transition, pretty hard to miss.
4. Scorching Sun Canyon: near the area transition to Tartarus Station, take a sharp left turn to find the statue.
5. Tartarus Station: this statue is located in the northeast section of the map, only accessible once you picked up the story mission Operation Trap Claptrap Trap, Phase Four: Reboot. Statue is hard to miss since it's close to the area transition to Wayward Pass.
6. Wayward Pass: statue is near the clearing after you beat General Knoxx-Trap.