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Service bulletins for the 2020 Jeep Gladiator

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.

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

By type

By component

By trouble code

Only bulletins with component: Electrical system are shown. Show all

Bulletins, newest first
S20080000842020-07-27. Service bulletin. ELECTRICAL SYSTEM. Cluster Service 4WD Light On
S19080001022020-07-27. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. Audio Mute On All Sources Except AM
S18210000062020-07-27. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; TIRES. Oversized Tire Calibration For Customized Jeep Wrangler, Gladiator, 2019 Ram Heavy Duty DJ, MVP Update Required, MVP Hotline
S18080002842020-06-22. Service bulletin. LATCHES/LOCKS/LINKAGES:DOORS:LATCH; ELECTRICAL SYSTEM; EQUIPMENT. Blind Spot Alert Temporarily Unavailable Is Displayed On The EVIC. Power Mirrors And/Or Power Door Locks Do Not Function
21-034-202020-05-26. Service bulletin. POWER TRAIN; ELECTRICAL SYSTEM. Flash: Transmission Control Module (TCM) Updates This bulletin involves reprogramming the TCM with the latest available software. Customers may experience the following condition:A loud whistle noise upon engine start up.
08-049-202020-05-26. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. Charging System, Battery Diagnostic Tools and Warranty This information only bulletin discusses using the correct test equipment for testing batteries and charging systems, and also warranty reimbursement when battery replacements are necessary.
08-046-202020-05-26. Service bulletin. BACK OVER PREVENTION; ELECTRICAL SYSTEM. Body Control Module (BCM) Reconfigure for Central Vision Processing Module (CVPM) This bulletin involves Restoring Vehicle Configuration in the BCM. Customers may notice the following condition:Two zoom buttonsFig. 1appear on the Rear View Camera (RVC) screen.
S20250000042020-05-26. Service bulletin. ELECTRICAL SYSTEM. Customer complains of the MIL lamp on. Technician observes DTC P0456 EVAP System Small Leak or P0455 EVAP System Large Leak detected set in PCM.
S20080000452020-05-26. Service bulletin. ELECTRICAL SYSTEM. Apps Or Icons Grayed Out
S20080000382020-05-26. Service bulletin. ELECTRICAL SYSTEM. Front Fogs Lamps Flicker Or Do Not Turn On Intermittently
S19080001022020-05-26. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. Audio Mute On All Sources Except AM
08-022-20 REV. A2020-05-26. Service bulletin. STRUCTURE; ELECTRICAL SYSTEM. Flash: Body Control Module (BCM) Enhancements This bulletin involves updating the Body Control Module (BCM) with the latest available software. Customer does not have Selectable Tire Fill Alert due to a late feature availability.Selectable Tire Fill Alert (STFA) Function: (https://www.youtube.com/watch?v=znqYo86deCg)
08-021-20 REV. A2020-05-26. Service bulletin. ELECTRICAL SYSTEM; STRUCTURE. Body Control Module (BCM) Reconfigure for Enabling the Selectable Tire Fill Alert (STFA) Settings This bulletin involves reconfiguring the BCM to enable the STFA settings.This re-configuration will enable the STFA (sales code LA5). Customer does not have Selectable Tire Fill Alert due to a late feature availability.Selectable Tire Fill Alert (STFA) Function: (https://www.youtube.com/watch?v=znqYo86deCg)
S20240000022020-05-26. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. WiTECH HVAC Actuator Calibration Test Reserved Tab.
S20080000312020-05-26. Service bulletin. ELECTRICAL SYSTEM. Low Charging Voltage Displayed On Cluster
S20250000022020-05-26. Service bulletin. ELECTRICAL SYSTEM; POWER TRAIN. Customer complaint includes check engine/MIL light on. Upon further inspection, fault codes will be found in the powertrain control module (PCM) for P0441, P0443 or P0449. Fault codes may be either active or stored.
08-022-20 REV. A2020-05-18. Service bulletin. STRUCTURE; ELECTRICAL SYSTEM. Flash: Body Control Module (BCM) Enhancements This bulletin involves updating the Body Control Module (BCM) with the latest available software. Customer does not have Selectable Tire Fill Alert due to a late feature availability.Selectable Tire Fill Alert (STFA) Function: (https://www.youtube.com/watch?v=znqYo86deCg)
08-021-20 REV. A2020-05-18. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); ELECTRICAL SYSTEM. Body Control Module (BCM) Reconfigure for Enabling the Selectable Tire Fill Alert (STFA) Settings This bulletin involves reconfiguring the BCM to enable the STFA settings.This re-configuration will enable the STFA (sales code LA5). Customer does not have Selectable Tire Fill Alert due to a late feature availability.Selectable Tire Fill Alert (STFA) Function: (https://www.youtube.com/watch?v=znqYo86deCg)
S20250000022020-05-18. Service bulletin. ELECTRICAL SYSTEM. Customer complaint includes check engine/MIL light on. Upon further inspection, fault codes will be found in the powertrain control module (PCM) for P0441, P0443 or P0449. Fault codes may be either active or stored.
08-022-20 REV. A2020-04-27. Service bulletin. ELECTRICAL SYSTEM. Flash: Body Control Module (BCM) Enhancements This bulletin involves updating the Body Control Module (BCM) with the latest available software. Customer does not have Selectable Tire Fill Alert due to a late feature availability.Selectable Tire Fill Alert (STFA) Function: (https://www.youtube.com/watch?v=znqYo86deCg)
08-021-20 REV. A2020-04-27. Service bulletin. ELECTRICAL SYSTEM. Body Control Module (BCM) Reconfigure for Enabling the Selectable Tire Fill Alert (STFA) Settings This bulletin involves reconfiguring the BCM to enable the STFA settings.This re-configuration will enable the STFA (sales code LA5). Customer does not have Selectable Tire Fill Alert due to a late feature availability.Selectable Tire Fill Alert (STFA) Function: (https://www.youtube.com/watch?v=znqYo86deCg)
S20250000022020-04-27. Service bulletin. ELECTRICAL SYSTEM; AIR BAGS. Customer complaint includes check engine/MIL light on. Upon further inspection, fault codes will be found in the powertrain control module (PCM) for P0441, P0443 or P0449. Fault codes may be either active or stored.
08-022-202020-04-06. Service bulletin. ELECTRICAL SYSTEM. Flash: Body Control Module (BCM) Enhancements This bulletin involves updating the Body Control Module (BCM) with the latest available software. Customer does not have Selectable Tire Fill Alert due to a late feature availability.Selectable Tire Fill Alert (STFA) Function: (https://www.youtube.com/watch?v=znqYo86deCg)
08-021-202020-04-06. Service bulletin. ELECTRICAL SYSTEM. Body Control Module (BCM) Reconfigure for Enabling the Selectable Tire Fill Alert (STFA) Settings This bulletin involves reconfiguring the BCM to enable the STFA settings.This re-configuration will enable the STFA (sales code LA5). Customer does not have Selectable Tire Fill Alert due to a late feature availability.Selectable Tire Fill Alert (STFA) Function: (https://www.youtube.com/watch?v=znqYo86deCg)
S20080000132020-04-06. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. Key Programming, Security Pin Request, Pin Invalid

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