Take a look on the back of the panel and see if one of the cables may have come loose or is corroded. If you do need to replace, Amazon and tweetys have several different models.
2013 Jayco JayFlight 26RKS
2013 Ford F150 Ecoboost FX4
2003 Coleman Bayside / 2011 Jayco Jayfeather X20E -- RIP
2012 Tacoma Sport DCSB / 2013 Tundra SR5 - RIP