Service bulletins for the 2015 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.
513 on file from NHTSA, as of 2026-10-19.
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Only bulletins with component: Automatic transmission are shown. Show all
| 18-043-16 REV. A | 2018-06-18. Service bulletin. ENGINE; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM:FUEL RAIL. Flash: 3.0L Powertrain Diagnostic And System Enhancements This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest available software. A small number of customers may experience the following condition: · Buzzing type noise in the fuel rail area of the engine. · Bucking under hard acceleration. The software enhancements also include: · Improvements to protect engine from fuels out of the EN590 specifications or fuels with a high biodiesel content. · Improvements to the A/C compressor relay duty cycle operation to prevent ignition off battery draw. |
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| T01 | 2018-06-11. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). Customer Satisfaction Notification T01 Reprogram Powertrain Control Module The Powertrain Control Module (PCM) on about 15 of the above vehicles may have received PCM software containing calibration errors when recall S49 was performed. PCM software containing calibration errors may result in the radiator cooling fan producing excessive fan noise during operation. The PCM on involved vehicles must be reprogrammed with new software. |
| 18-074-14 | 2018-06-11. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); ELECTRICAL SYSTEM:SOFTWARE. Flash: 3.0L Powertrain Diagnostic And System Enhancements This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest available software. The following software is being released to improve A/C compressor relay duty cycle operation to prevent ignition off battery draw. |
| 18-043-16 | 2018-06-04. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); ELECTRICAL SYSTEM; EQUIPMENT. Flash: 3.0L Powertrain Diagnostic And System Enhancements This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest available software. A small number of customers may experience the following condition: · **Buzzing type noise in the fuel rail area of the engine.** · Bucking under hard acceleration. The software enhancements also include: · **Improvements to protect engine from fuels out of the EN590 specifications or fuels with a high biodiesel content.** · Improvements to the A/C compressor relay duty cycle operation to prevent ignition off battery draw. |
| 21-030-14 | 2016-05-09. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. SUMMARY TO BE PROVIDED ON A FUTURE DATE. |
| 21-030-14REV.A | 2016-05-09. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. SUMMARY TO BE PROVIDED ON A FUTURE DATE. |
| SB-18-022-15REVA | 2015-10-15. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). JEEP: SOME VEHICLES EXPERIENCE MALFUNCTION INDICATOR LAMP (MIL) ILLUMINATION, IN SOME VEHICLES, WITH DIAGNOSTIC TROUBLE CODES (DTCS) STORED IN PCM MEMORY FOR REDUNDANT PUMP 1 CONTROL PERFORMANCE, REDUCTANT HEATER 3 CONTROL CIRCUIT PERFORMANCE, NOX SENSOR 1/2 ZERO OFFSET TOO HIGH AND WOULD NEED LATEST SOFTWARE AVAILABLE PROGRAMMED. MODEL 2015 GRAND CHEROKEE. *PE UPDATED 11/25/15 *CN |
| SB-21-045-15 | 2015-10-13. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). JEEP: SOME VEHICLES WILL REQUIRE LATEST SOFTWARE REPROGRAMMING OF TRANSMISSION CONTROL MODULE (TCM) DUE TO EXPERIENCING A BUMP SENSATION DURING 1-2 UPSHIFT OR 6-5 DOWNSHIFT OR DURING LOW SPEED TIP IN ACCELERATION OR VEHICLE SET SNOW MODE WHILE STATIONARY. MODEL 2015 GRAND CHEROKEE. *PE |
| SB-21-027-15REVA | 2015-09-05. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). JEEP/DODGE: INFORMATION PROVIDED REGARDING THE MALFUNCTION INDICATOR LAMP (MIL) ILLUMINATES AND LATEST SOFTWARE AVAILABLE FOR REPROGRAMMING TRANSMISSION CONTROL MODULE (TCM) TO IMPROVE ENHANCEMENT SHIFTING. MODEL 2015 GRAND CHEROKEE, DURANGO. *PE UPDATED 11/9/15 *CN UPDATED 12/03/15 *CN |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.