Two problems related to cruise control have been reported for the 2004 Chevrolet Astro. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2004 Chevrolet Astro based on all problems reported for the 2004 Astro.
Once or twice per year when using cruise control, when I touch brake to deactivate cruise, it doesn't disengage. I then have to stand on brake with all my effort to stop van and pull over to put in park. Engine continues racing til I turn key off. Then everything ok til next time maybe months later. Switck on brake petal is ok. Once in the winter, cruise control pushed me into an intersection. Luckily other traffic realized I couldn't stop. No codes show up to identify cause. Been doing this 4 or 5 years intermittently. Even tho this van is 16 years old, it only 6has 90000 miles on it. I try not to drive it much because of this problem. My best guess it's mechanical or computer problem but since it happens so seldom hard to diagnose. I have another Astro 5 yr older with 230000 on it and cruise works like it should. I have no more information.
Without warning the cruise control will shut off when the consumer hits a bump. The consumer doesn't know when it's going to happen. The dealer was unwilling to troubleshoot, because the manufacturer will not reimburse them for the cost. The manufacturer will not pay to have test run on car. The consumer does not feel it's his place to pay.