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Service bulletins for the 2012 Jeep Grand Cherokee

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

258 on file from NHTSA, as of 2026-10-19.

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By trouble code

Only bulletins with component: Engine are shown. Show all

Bulletins, newest first
18-035-142018-06-18. Service bulletin. ELECTRICAL SYSTEM; ENGINE; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). Flash: Surge, Shudder or Pulsation at Highway Speeds This bulletin involves selectively erasing and reprogramming the Powertrain Control Module (PCM) with new software.This is an optional software update that should only be used in situations where the customer is specifically complaining of the condition described below. A small number of customers may experience a surge, shudder or pulsation type sensation when driving on smooth road surfaces at highway speeds of 40-80 mph (64-129 km/h). Some customers may also describe the sensation similar to that of a fish biting on a fishing line.This is an optional software update that should only be used in situations where the customer is specifically complaining of the above condition. There will be two separate software options displayed on the wiTECH flash tab. The software file released for this SB contains the verbiage ?REFERENCE SB 18-035-14. THIS FLASH TO BE USED ONLY FOR SHUDDER COMPLAINTS?. The other file is the standard software that does not contain improvements for this complaint. If for some reason the customer finds this shudder improvement objectionable, the PCM software may be returned/reflashed to the standard version.If the customer complains of the above condition, perform the Repair Procedure.
09-001-132018-06-11. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE. Gasoline Engine Diagnostic Inspection Procedure This bulletin provides a procedure to determine repair versus replacement of a gasoline long block engine assembly. This procedure is to be used prior to conducting any engine related repairs or removal of engine components.
90036942018-06-11. Service bulletin. ENGINE AND ENGINE COOLING. Oil Pump Assembly If error code P06DD present on any Pentastar V6 application, please inspect oil pump for relief valve failure. See photo attached. If valve is found out of place please call Bob Jackson (248) 944-0466 bob.jackson@fcagroup.com, or Joe Lovell (734) 309-6467 joe.lovell@fcagroup.com before proceeding. If unable to reach after 15 minutes record the following information and proceed with oil pump replacement and hold part for return to FCA via Fastrack system
09-002-14 REV. B2018-06-11. Service bulletin. ENGINE AND ENGINE COOLING. MIL Illumination: P0300, P0302, P0304 or P0306 (X56 Warranty Extension) This bulletin involves checking for excessive cylinder leakage and replacing the cylinder head if necessary. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the Technician may find that any the following Diagnostic Trouble Codes have been set: P0300- Multiple Cylinder Misfire P0302- Cylinder 2 Misfire P0304- Cylinder 4 Misfire P0306- Cylinder 6 Misfire
09-002-14 REV. A2018-06-11. Service bulletin. FUEL SYSTEM, GASOLINE; ENGINE AND ENGINE COOLING. MIL Illumination: P0300, P0302, P0304 or P0306 (X56 Warranty Extension) This bulletin involves checking for excessive cylinder leakage and replacing the cylinder head if necessary. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the Technician may find that any the following Diagnostic Trouble Codes have been set: ? P0300- Multiple Cylinder Misfire ? P0302- Cylinder 2 Misfire ? P0304- Cylinder 4 Misfire ? P0306- Cylinder 6 Misfire
09-002-142018-06-11. Service bulletin. FUEL SYSTEM, GASOLINE; ENGINE AND ENGINE COOLING. MIL Illumination: P0300, P0302, P0304 or P0306 (X56 Warranty Extension) This bulletin involves checking for excessive cylinder leakage and replacing the cylinder head if necessary. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the Technician may find that the following Diagnostic Trouble Codes have been set: ? P0300- Multiple Cylinder Misfire ? P0302- Cylinder 2 Misfire ? P0304- Cylinder 4 Misfire ? P0306- Cylinder 6 Misfire
09-001-132018-06-04. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE; EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY. Gasoline Engine Diagnostic Inspection Procedure This bulletin provides a procedure to determine repair versus replacement of a gasoline long block engine assembly. This procedure is to be used prior to conducting any engine related repairs or removal of engine components.
05048043A$2018-03-13. Service bulletin. ENGINE. PSU Exhaust Phaser 05048043AB If replacing the Exhaust Phaser for the following codes: P0340 Cam Missing/Camshaft Sensor Circuit and/or P0345 Cam Missing/Camshaft Sensor Circuit Engineering is requesting that all three Valve Timing components (Phaser, Actuator, OCV) be replaced.~ Please label the components of which bank they came from prior to parts return. ~ Phaser 05048043AB Actuator 05048045AB OCV 05048044AB Please call Joe Lovell at cell (734) 309-6467 with any questions If a response is not received within 15 mins , then proceed with diagnostics/repair.
17-004-132018-02-21. Service bulletin. SUSPENSION; ENGINE AND ENGINE COOLING; EQUIPMENT. Cleaning Of Rear Air Suspension At Every Engine Oil Change This bulletin involves cleaning the left and right side rear air spring bellows and piston area at the lower control arm pocket in the rear of the vehicle. Rear suspension air springs may become damaged due to abrasion from road debris or the air spring can become punctured due to ice/snow build-up at bottom of piston at lower control arm.
09-001-132018-02-21. Service bulletin. ENGINE. Gasoline Engine Diagnostic Inspection Procedure This bulletin provides a procedure to determine repair versus replacement of a gasoline long block engine assembly. This procedure is to be used prior to conducting any engine related repairs or removal of engine components.
RL108213A$2017-11-03. Service bulletin. ENGINE AND ENGINE COOLING. NAG1 (5A580) Valve Body As per Warranty Bulletin D-13-22, please use R2108213A$ valve body for all Warranty (W), Mopar (M) and Mopar Vehicle Protection (F) claims.~ Assembly also includes Filter (52108325AA) and Gasket (52108332AA).~
09-002-14REV.A2016-04-26. Service bulletin. ENGINE. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
09-002-132016-04-26. Service bulletin. ENGINE. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
07-004-132016-04-12. Service bulletin. ENGINE AND ENGINE COOLING. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
07-003-142016-04-12. Service bulletin. ENGINE AND ENGINE COOLING. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
CSN-M-042012-08-10. Service bulletin. ENGINE. DODGE/CHRYSLER/JEEP: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. IN MANUAL (USER GUIDE), STATED INCORRECTLY ENGINE OIL (SAE 5W-40), INSTEAD OF CORRECTLY ENGINE OIL (SAE 0W-40 FULL SYNTHETIC ENGINE OIL. *PE

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.