2021 Jeep GRAND CHEROKEE Manufacturer communications & TSBs.Page 14
Original record summaries, dates and identifiers for this model-year. Records 1,301–1,320 of 1,320, ordered newest first. Dated records on this page: Jan 1, 2020–Dec 12, 2020.
Read the applicability before drawing a conclusion.
This archive includes service bulletins, warranty notices, software instructions and other communications. Records may repeat or supersede earlier instructions. A model-year association is not proof that a document covers every engine, trim, VIN or reported symptom, or that a repair is free.
NHTSA download snapshot: Sep 28, 2026. These are communication associations for this vehicle, not unique defects. How records are joined and counted.
Dec 12, 2020Service Bulletin/Repair Instructions
09-013-20 REV. A
NHTSA communication ID: 10187706
NHTSA source summary · Original PDF not reviewed by Recallfolio
3.6L Pentastar Upgrade Spark Plug Internal Crack This bulletin involves replacing all six spark plugs. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation, a technician may find one or more of the following Diagnostic Trouble Codes (DTCs) have been set:P0301 - Cylinder 1 Misfire. P0302 - Cylinder 2 Misfire. P0303 - Cylinder 3 Misfire. P0304 - Cylinder 4 Misfire. P0305 - Cylinder 5 Misfire. P0306 - Cylinder 6 Misfire. Customers may also comment on the following:Rough running engine.
NHTSA source summary · Original PDF not reviewed by Recallfolio
3.6L Pentastar Upgrade Spark Plug Internal Crack This bulletin involves replacing all six spark plugs. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation, a technician may find one or more of the following Diagnostic Trouble Codes (DTCs) have been set:P0301 - Cylinder 1 Misfire. P0302 - Cylinder 2 Misfire. P0303 - Cylinder 3 Misfire. P0304 - Cylinder 4 Misfire. P0305 - Cylinder 5 Misfire. P0306 - Cylinder 6 Misfire. Customers may also comment on the following: Rough running engine.
Source components: ELECTRICAL SYSTEM · ENGINE · EQUIPMENT.
NHTSA source summary · Original PDF not reviewed by Recallfolio
Body Control Module (BCM) Reconfigure for Enabling the Gridlines in the Rear View Camera This bulletin involves reconfiguring the BCM and possibly a radio reset, to change the default of the rear view camera gridlines to ?ON?. Customers may comment on one or more of the following:Rear view camera (Park Assist) gridlines are defaulted to ?OFF?, but the default should be ?ON?. Customer is still able to turn the gridlines ?ON? from the personalization selection in the radio menu
Source components: BACK OVER PREVENTION · ELECTRICAL SYSTEM.
NHTSA source summary · Original PDF not reviewed by Recallfolio
Body Control Module (BCM) Reconfigure for Enabling the Gridlines in the Rear View Camera This bulletin involves reconfiguring the BCM and possibly a radio reset, to change the default of the rear view camera gridlines to ?ON?. Customers may comment on one or more of the following:Rear view camera (Park Assist) gridlines are defaulted to ?OFF?, but the default should be ?ON?. Customer is still able to turn the gridlines ?ON? from the personalization selection in the radio menu
Source components: BACK OVER PREVENTION · ELECTRICAL SYSTEM.
NHTSA source summary · Original PDF not reviewed by Recallfolio
USB PORT, Media Hub For Android Auto and Apple Carplay issues, do not replace this part. Android Auto and Apple Carplay applications may not operate with the vehicle if an aftermarket cable is being used. Verify the functionality of these applications using an OEM Apple Lightning cable or an OEM provided USB cable for Android phones before performing any additional troubleshooting. For questions regarding Android Auto or Apply Carplay functionality, please contact FCA Redacted Content. If no response in 15 minutes, proceed with repair.
NHTSA source summary · Original PDF not reviewed by Recallfolio
USB PORT, Media Hub For Android Auto and Apple Carplay issues, do not replace this part. Android Auto and Apple Carplay applications may not operate with the vehicle if an aftermarket cable is being used. Verify the functionality of these applications using an OEM Apple Lightning cable or an OEM provided USB cable for Android phones before performing any additional troubleshooting. For questions regarding Android Auto or Apply Carplay functionality, please contact FCA Redacted Content. If no response in 15 minutes, proceed with repair.