Passlock anti-theft system prevents engine start
ELECTRICAL SYSTEM
37 NHTSA complaints · 2008-10 → 2025-06
“MY 2007 CHEVROLET COLORADO LS 4 CYLINDER 2.9 LITRE HAS ALWAYS RANDOMLY WON'T START. I RESEARCHED THIS AND EVERY YEAR OF THE COLORADO HAS HAD THIS ISSUE OF RANDOMLY NOT STARTING, COUNTLESS DOLLARS HAVE BEEN SPENT TRYING TO FIGURE IT OUT, CHEVROLET WILL NOT SAY IT IS AN ISSUE”
“PASSLOCK SECURITY SYSTEM MALFUNCTIONS AND RANDOMLY DOES NOT LET YOU START YOUR VEHICLE FOR TEN MINUTES LEAVING YOU STRANDED. SOMETIMES IT WILL DO IT CONTINUALLY. HAVE HAD TO WAIT AS LONG AS 80 MINUTES TO START”
“TL* THE CONTACT OWNS A 2007 CHEVROLET COLORADO. THE CONTACT STATED THAT WHEN THE ANTI-THEFT MODE ILLUMINATED, THE VEHICLE FAILED TO START. THE FAILURE RECURRED FIVE TIMES”