One problem related to warning light on has been reported for the 2004 Chevrolet Colorado. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2004 Chevrolet Colorado based on all problems reported for the 2004 Colorado.
Air bag warning light was lit on my 2004 Chevrolet Colorado extended cab which I assume would make the air bags inoperable during an accident. Problem determined to be a broken wire in the harness between the cab and the back door.