Dead bodies can get goosebumps, those tiny little bumps on your arms, legs and neck when you get cold or have an eerie feeling. It is a result of rigor mortis which causes the contraction of the tiny muscles under the hair follicles and simulates goosebumps. – WTF Fun Facts
Source: https://www.snopes.com/fact-check/can-dead-bodies-get-goosebumps/