/en/qa/tag/evo-start-e400 Powered by Question2Answer /en/qa/140692/passlock-sl2-flashing-times-when-tring-program-truck-starts-then-dies-security-light-flashing Hi all,<br /> I have a 1998 Chevrolet k1500 with a EvoStart E400 and Passlock SL2 V2.<br /> The remote start was working fine for years (installed in 2016) and after sitting for a long time without a battery it is not working anymore.<br /> <br /> Using the remote, the truck starts but dies almost instantly, with the &quot;security&quot; light flashing in the cluster.<br /> <br /> Truck starts fine with the key, &quot;security&quot; light turns off, no issue.<br /> <br /> I looked at the wiring diagram, the current wiring match the PASSLOCK1 schema.<br /> I tried to reprogram the Passlock SL2 multiple times, but everytime the LED flashes 5 times.<br /> <br /> Any idea?<br /> <br /> Thank you Chevrolet /en/qa/140692/passlock-sl2-flashing-times-when-tring-program-truck-starts-then-dies-security-light-flashing Thu, 23 Jul 2026 01:36:38 +0000