CHEVROLET SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. REDUCED HEATING AND COOLING-REPROGRAM MODULE. CERTAIN 2008 CHEVROLET VEHICLES EQUIPPED WITH DUAL ZONE MANUAL CLIMATE CONTROL (RPO CJ3) MAY HAVE SOFTWARE THAT DOES NOT ALLOW THE HEATING AND AIR CONDITIONING SYSTEM TO DELIVER MAXIMUM COLD OR MAXIMUM HOT OUT PUT. CSC LETTER WAS RECEIVED. *PE
