One problem related to air conditioner has been reported for the 2003 Chevrolet Trailblazer. The most recently reported issues are listed below.
The contact owns a 2003 Chevrolet Trailblazer. The contact stated that the air conditioner light, rear brake light, and rear driver side tail light malfunctioned. The vehicle was taken to an independent mechanic and the technician diagnosed that the lights malfunctioned due to electrical issues with the vehicle. The vehicle was not repaired. The manufacturer was notified of the failure. The approximate failure mileage was 65,000.