18-075-16

"FLASH: POWERTRAIN DIAGNOSTIC AND SYSTEM IMPROVEMENTS THIS BULLETIN INVOLVES REPROGRAMMING THE POWERTRAIN CONTROL MODULE (PCM) WITH THE LATEST AVAILABLE SOFTWARE. CUSTOMERS MAY EXPERIENCE A MALFUNCTION INDICATOR LAMP (MIL) ILLUMINATION. UPON FURTHER INVESTIGATION THE TECHNICIAN MAY FIND THAT THE FOLLOWING DIAGNOSTIC TROUBLE CODE (DTC) HAS BEEN SET: · P0335 - CRANKSHAFT POSITION SENSOR CIRCUIT. THE FOLLOWING PCM SOFTWARE IMPROVEMENTS ARE ALSO AVAILABLE: · IMPROVED VACUUM SENSOR DIAGNOSIS FOR THE HYDRAULIC BOOSTER COMPENSATION (HBC) FEATURE IN THE ELECTRONIC SUSPENSION CONTROL (ESC) MODULE. · SOFTWARE TO ENABLE VEHICLE MAX SPEED PROGRAMMING USING WITECH."