Attempt to have customer call mfg directly so they can troubleshoot with mfg over the phone and if need be mfg can dispatch an authorized technician to go to customers home.  Otherwise you can contact TPSS (dealer line) to assist. 

To set up service online: https://www.servicebench.com/servicebenchv5/consumerApp/productDescription.action 

For escalations/ PEX requests: CXCSRSescalationRetUpNoAtl@whirlpool.com 
Safety team: US_cxc_safety@whirlpool.com 

Local Service providers  Wind Factory Service: 516-933-7320    Callahans 631-981-0200

Kitchenaid- Jan 2021 - Current Pricing - Excel

Find the best deals on Kitchenaid Gas Cooktops in Black at Plesser's Appliances, with free nationwide shipping available.