Jeep Grand Cherokee Service Bulletins
4,246 manufacturer communications on file.
- July 4, 2014•Document ID: 10217700Service Bulletin/Repair InstructionsELECTRICAL SYSTEM
- Mfr Comm. #:
- 18-036-14
- Date Added:
- August 15, 2022
- Manufacturer:
- JEEP
SummaryFlash: Difficult to Start Engine In Cold Ambient Temps When Using the Block Heater. Also Includes Powertrain System Enhancements This bulletin involves selectively erasing and reprogramming the Powertrain Control Module (PCM) with new software. A small number of customers may experience the following condition: Engine is difficult to start in extreme cold ambient temps when using the block heater. This release improves the spark and fueling strategy used under these conditions.The following system improvements have also been included in this software release: Improved Electronic Voltage Regulator control to more precisely maintain system voltage.
Associated Products (4)Associated Documents - July 4, 2014•Document ID: 10217699Service Bulletin/Repair InstructionsELECTRICAL SYSTEM
- Mfr Comm. #:
- 18-035-14
- Date Added:
- August 15, 2022
- Manufacturer:
- JEEP
SummaryFlash: 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.
Associated Products (4)Associated Documents - July 4, 2014•Document ID: 10141215Service Bulletin/Repair InstructionsENGINE; ELECTRICAL SYSTEM
- Mfr Comm. #:
- 18-036-14
- Date Added:
- June 18, 2018
- Manufacturer:
- JEEP
SummaryFlash: Difficult to Start Engine In Cold Ambient Temps When Using the Block Heater. Also Includes Powertrain System Enhancements This bulletin involves selectively erasing and reprogramming the Powertrain Control Module (PCM) with new software. A small number of customers may experience the following condition: Engine is difficult to start in extreme cold ambient temps when using the block heater. This release improves the spark and fueling strategy used under these conditions.The following system improvements have also been included in this software release: Improved Electronic Voltage Regulator control to more precisely maintain system voltage.
Associated Products (4)Associated Documents - July 4, 2014•Document ID: 10141214Service Bulletin/Repair InstructionsENGINE; ELECTRICAL SYSTEM; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM)
- Mfr Comm. #:
- 18-035-14
- Date Added:
- June 18, 2018
- Manufacturer:
- JEEP
SummaryFlash: 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.
Associated Products (4)Associated Documents - July 4, 2014•Document ID: 10063329Service Bulletin/Repair InstructionsELECTRICAL SYSTEM:SOFTWARE
- Mfr Comm. #:
- 18-036-14
- Date Added:
- April 26, 2016
- Manufacturer:
- JEEP
SummarySUMMARY TO BE PROVIDED ON A FUTURE DATE.
Associated Products (4)Associated Documents - July 4, 2014•Document ID: 10063328Service Bulletin/Repair InstructionsELECTRICAL SYSTEM:SOFTWARE
- Mfr Comm. #:
- 18-035-14
- Date Added:
- April 26, 2016
- Manufacturer:
- JEEP
SummarySUMMARY TO BE PROVIDED ON A FUTURE DATE.
Associated Products (4)Associated Documents - July 3, 2014•Document ID: 10217698Service Bulletin/Repair InstructionsELECTRICAL SYSTEM
- Mfr Comm. #:
- 08-053-14 REV. A
- Date Added:
- August 15, 2022
- Manufacturer:
- JEEP
SummaryFlash: Vehicle Enhancement This bulletin involves updating the Body Control Module (BCM) software. The customer may experience one or all of the following: False security alarm activation. A significant delay to update the ambient air temperature display. Intermittently the interior lights may not turn on with the first press of the key fob. Ambient temperature may display - 40 F/-40 C for a few seconds at start up. Courtesy lamps are dim when approaching the vehicle after a remote start. Intermittently the vehicle may not start, after the vehicle has been driven and then trying to restart the vehicle with remote start. Back lighting flickers after a remote start, the condition is gone after entering the vehicle and restarting it. Engine may turn off, after the vehicle is remote started and then unlocking the vehicle with the liftgate passive entry. (Diesel Only) (Diesel Only) False DTC setting for front Daytime Running Lamps (DRL) circuit open, DRL will work properly. False setting for B16D3-15 Right DRL Lamp Control - Circuit Short To Battery Or Open. False setting for B16CF-15 Left DRL Lamp Control - Circuit Short To Battery Or Open.
Associated Products (2)Associated Documents - July 3, 2014•Document ID: 10141213Service Bulletin/Repair InstructionsENGINE
- Mfr Comm. #:
- 08-053-14 REV. A
- Date Added:
- June 18, 2018
- Manufacturer:
- JEEP
SummaryFlash: Vehicle Enhancement This bulletin involves updating the Body Control Module (BCM) software. The customer may experience one or all of the following: False security alarm activation. A significant delay to update the ambient air temperature display. Intermittently the interior lights may not turn on with the first press of the key fob. Ambient temperature may display - 40 F/-40 C for a few seconds at start up. Courtesy lamps are dim when approaching the vehicle after a remote start. Intermittently the vehicle may not start, after the vehicle has been driven and then trying to restart the vehicle with remote start. Back lighting flickers after a remote start, the condition is gone after entering the vehicle and restarting it. Engine may turn off, after the vehicle is remote started and then unlocking the vehicle with the liftgate passive entry. (Diesel Only) (Diesel Only) False DTC setting for front Daytime Running Lamps (DRL) circuit open, DRL will work properly. False setting for B16D3-15 Right DRL Lamp Control - Circuit Short To Battery Or Open. False setting for B16CF-15 Left DRL Lamp Control - Circuit Short To Battery Or Open.
Associated Products (2)Associated Documents - July 3, 2014•Document ID: 10062675Service Bulletin/Repair InstructionsELECTRICAL SYSTEM:SOFTWARE
- Mfr Comm. #:
- 08-053-14REV.A
- Date Added:
- April 26, 2016
- Manufacturer:
- JEEP
SummarySUMMARY TO BE PROVIDED ON A FUTURE DATE.
Associated Products (2)Associated Documents - July 1, 2014•Document ID: 10220487Service Bulletin/Repair InstructionsEQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
- Mfr Comm. #:
- P36070114
- Date Added:
- September 26, 2022
- Manufacturer:
- DODGE
SummaryRecall Advanced Communication.
Associated Products (8)Associated Documents - July 1, 2014•Document ID: 10191458Service Bulletin/Repair InstructionsEQUIPMENT ADAPTIVE/MOBILITY; ELECTRICAL SYSTEM
- Mfr Comm. #:
- P36070114
- Date Added:
- May 3, 2021
- Manufacturer:
- JEEP
SummarySome of the above vehicles may experience a high resistance short at the sun visor vanity lamp wiring after a service repair to the sun visor, headliner or while gaining access above the headliner. This may result in an inoperative vanity lamp and/or an electrical fire.
Associated Products (8)Associated Documents - July 1, 2014•Document ID: 10217696Service Bulletin/Repair InstructionsSUSPENSION
- Mfr Comm. #:
- 17-002-14
- Date Added:
- August 15, 2022
- Manufacturer:
- JEEP
SummaryRear Shock Absorber Low Speed Rattle Chuckle Noise This bulletin involves replacing both rear shock upper mounts. The rear shocks may produce a rattle chuckle noise while driving over bumps at low speed. The noise is more prevalent at higher shock temperatures.
Associated Products (5)Associated Documents - July 1, 2014•Document ID: 10217695Service Bulletin/Repair InstructionsPOWER TRAIN; ELECTRICAL SYSTEM
- Mfr Comm. #:
- 21-021-14
- Date Added:
- August 15, 2022
- Manufacturer:
- JEEP
SummaryFlash: Drivetrain Control Module (DCTM) - Bump Felt in the Driveline While Turning From a Stop Such as in Parking Lot Maneuvers This bulletin involves flashing the Drivetrain Control Module (DCTM) with revised software. Customers may indicate that they feel a bump in the driveline while turning from a stop such as in parking lot maneuvers. This software release provides a more refined control of the 4WD system to more smoothly engage and release the 4WD system.
Associated Products (1)Associated Documents - July 1, 2014•Document ID: 10141211Service Bulletin/Repair InstructionsSUSPENSION:REAR:SHOCK ABSORBER
- Mfr Comm. #:
- 17-002-14
- Date Added:
- June 18, 2018
- Manufacturer:
- JEEP
SummaryRear Shock Absorber Low Speed Rattle Chuckle Noise This bulletin involves replacing both rear shock upper mounts. The rear shocks may produce a rattle chuckle noise while driving over bumps at low speed. The noise is more prevalent at higher shock temperatures.
Associated Products (5)Associated Documents - July 1, 2014•Document ID: 10141210Service Bulletin/Repair InstructionsELECTRICAL SYSTEM; PARKING BRAKE:DRIVELINE
- Mfr Comm. #:
- 21-021-14
- Date Added:
- June 18, 2018
- Manufacturer:
- JEEP
SummaryFlash: Drivetrain Control Module (DCTM) - Bump Felt in the Driveline While Turning From a Stop Such as in Parking Lot Maneuvers This bulletin involves flashing the Drivetrain Control Module (DCTM) with revised software. Customers may indicate that they feel a bump in the driveline while turning from a stop such as in parking lot maneuvers. This software release provides a more refined control of the 4WD system to more smoothly engage and release the 4WD system.
Associated Products (1)Associated Documents - July 1, 2014•Document ID: 10069321Service Bulletin/Repair InstructionsELECTRICAL SYSTEM:SOFTWARE
- Mfr Comm. #:
- 21-021-14
- Date Added:
- June 2, 2016
- Manufacturer:
- JEEP
SummarySUMMARY TO BE PROVIDED ON A FUTURE DATE.
Associated Products (1)Associated Documents - July 1, 2014•Document ID: 10062978Service Bulletin/Repair InstructionsSUSPENSION:REAR:SHOCK ABSORBER
- Mfr Comm. #:
- 17-002-14
- Date Added:
- April 26, 2016
- Manufacturer:
- JEEP
SummarySUMMARY TO BE PROVIDED ON A FUTURE DATE.
Associated Products (5)Associated Documents - June 28, 2014•Document ID: 10139679Service Bulletin/Repair InstructionsEQUIPMENT
- Mfr Comm. #:
- 03-001-14 REV. A
- Date Added:
- June 11, 2018
- Manufacturer:
- DODGE
SummaryFront Half Shaft Boot Clamp Loose This bulletin involves replacing both front half shafts. Some vehicles may have been built with loose front half shaft boot clamps. A loose front half shaft boot clamp could allow the boot to come loose allowing moisture and debris into the CV joint.
Associated Products (2)Associated Documents - June 28, 2014•Document ID: 10061853Service Bulletin/Repair InstructionsSUSPENSION:FRONT
- Mfr Comm. #:
- 03-001-14REV.A
- Date Added:
- April 12, 2016
- Manufacturer:
- JEEP
SummarySUMMARY TO BE PROVIDED ON A FUTURE DATE.
Associated Products (2)Associated Documents - June 27, 2014•Document ID: 10139678Service Bulletin/Repair InstructionsEQUIPMENT
- Mfr Comm. #:
- 03-001-14
- Date Added:
- June 11, 2018
- Manufacturer:
- JEEP
SummaryFront Half Shaft Boot Clamp Loose This bulletin involves replacing both front half shafts. Some vehicles may have been built with loose front half shaft boot clamps. A loose front half shaft boot clamp could allow the boot to come loose allowing moisture and debris into the CV joint.
Associated Products (2)Associated Documents