Technical Service Bulletins (TSBs) for the 2009 Grand Cherokee are official communications between Jeep & their dealerships that describe processes for troubleshooting or fixing certain common problems.
All vehicle manufacturers are required by U.S. law to make their TSBs available to the public.
JEEP: IN COLD CLIMATES A MIL ILLUMINATION P0123 OR P0222 OR STORED DIAGNOSTIC TROUBLE CODE P0123 OR 00222 AND THE ETC LIGHT ILLUMINATED. THIS INVOLVES REPLACING THE ELECTRONIC THROTTLE BODY AND CLEAN AIR DUCT. Read More »
ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL
CHRYSLER/JEEP/DODGE: CALIFORNIA EMISSIONS WARRANTY ADDENDUM. THE WARRANTY BOOK ON CERTAIN VEHICLES MAY CONTAIN ERRORS OR MAY BE MISSING INFORMATION REGARDING THE COPONENTS COVERED BY THE CALIFORNIA EMISSIONS WARRANTY. Read More »
POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM)
JEEP: MIL ILLUMINATION AND/OR MDS DRIVEABILITY IMPROVEMENTS. THIS INVOLVES SELECTIVELY ERASING AND REPROGRAMMING THE POWERTRAIN CONTROL MODULE (PCM) WITH NEW SOFTWARE. *PE Read More »
FIAT CHRYSLER: TSB HAS AN OWNER NOTIFICATION LETTER. SELECT DOCUMENT SEARCH BUTTON BELOW. WHEN SHIFTING OUT OF CURRENT SELECTED MODE, FINAL DRIVE CONTROL MODULE (FDCM) SOFTWARE CAUSES SERVICE 4WD LIGHT TO ILLUMINATE AND SWITCHING OUT ... Read More »
FIAT CHRYSLER: TSB HAS AN OWNER NOTIFICATION LETTER. SELECT DOCUMENT SEARCH BUTTON BELOW. WHEN SHIFTING OUT OF CURRENT SELECTED MODE, FINAL DRIVE CONTROL MODULE (FDCM) SOFTWARE CAUSES SERVICE 4WD LIGHT TO ILLUMINATE AND SWITCHING OUT ... Read More »
JEEP: MIL ILLUMINATION AND/OR MDS DRIVEABILITY IMPROVEMENTS. THIS INVOLVES SELECTIVELY ERASING AND REPROGRAMMING THE POWERTRAIN CONTROL MODULE (PCM) WITH NEW SOFTWARE. *PE Read More »
CHRYSLER/JEEP/DODGE: CALIFORNIA EMISSIONS WARRANTY ADDENDUM. THE WARRANTY BOOK ON CERTAIN VEHICLES MAY CONTAIN ERRORS OR MAY BE MISSING INFORMATION REGARDING THE COPONENTS COVERED BY THE CALIFORNIA EMISSIONS WARRANTY. Read More »
