Certain intermotive wheelchair lift interlock, P/no. Ilis605-H3 ilis activation kit (interlock option for gateway 401) sold for use as aftermarket for 2005 - 2008 Chevy 560 (C4500 and C5500 kodiak) 6.6L diesel vehicles which a protection diode was used. The diode can be exposed to voltage spikes greater than what it can withstand. The diode could fail, which could prevent vehicle interlock operation when a wheelchair lift is deployed.
Intermotive will notify owners and repair the vehicles free of charge. The recall began on November 20, 2007. Owners can contact intermotive toll-free at 1-800-969-6080. This recall only pertains to aftermarket intermotive wheelchair lifts and has no relation to any original equipment installed on chevrlot and GMC vehicles manufactured by General Motors.