2020 Jeep Gladiator Technical Service Bulletins

685 technical service bulletins (TSBs) are on record for the 2020 Jeep Gladiator. TSBs are notes manufacturers send to dealers about repair procedures for issues seen in the field. They are not recalls and do not by themselves mean a vehicle has a fault.

• 11038630Oct 17, 2026Electrical system. Instrument Panel Cluster (IPC) Blank XZ1 Warranty Extension Customers may experience the following: SYMPTOM: ● A blank electronic vehicle information center (EVIC) in the IPC. No information is displayed for the fuel level, temperature gauge, odometer, outside temperature, PRNDL and optional digital speedometer Fig. 1. IMPORTANT! The speedometer and tachometer continue to function normally Fig. 1. This bulletin…
• 11038548Oct 9, 2026Electrical system. Flash: Drivetrain Control Module (DTCM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must SYMPTOM: exhibit/set the following Diagnostic Trouble Code (DTC): ● C147B-92 - Front Axle Disconnect Sensor Performance or Incorrect Operation Customers may comment on one or more of the following: ● 4WD system warning lights, service messages, or flashing indicators are…
• 11038511Oct 9, 2026Electrical system. Flash: Drivetrain Control Module (DTCM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must SYMPTOM: exhibit/set the following Diagnostic Trouble Code (DTC): ● C147B-92 - Front Axle Disconnect Sensor Performance or Incorrect Operation Customers may comment on one or more of the following: ● 4WD system warning lights, service messages, or flashing indicators are…
• 11038329Sep 30, 2026Transmission and drivetrain. The Customer May Complain About a Popping Noise, Grinding Noise, or an Intermittent No Reverse or Forward Transmission Engagement. The Tech May Find Damaged and/or Worn Transmission Output Shaft Splines (850RE Transmission Only)
• 11037346Sep 8, 2026Body and structure, Electrical system. Passive Entry O/S Dr Handle Prior to replacing an inoperative passive entry door handle, perform Star Online S2623000040.
• 11036282Aug 12, 2026Body and structure. ID-25-11 Rev. C Aluminum Filiform Corrosion Warranty Policy and Vehicle Digital Imaging (VDI) Pre-Approval Process - ALL Vehicles
• 11036281Aug 12, 2026Body and structure. D-25-15 Rev. C Aluminum Filiform Corrosion Warranty Policy and Vehicle Digital Imaging (VDI) Pre-Approval Process - ALL Vehicles
• 11036150Aug 8, 2026Electrical system. Instrument Panel Cluster (IPC) Blank XZ1 Warranty Extension Customers may experience the following: SYMPTOM: ● **A blank electronic vehicle information center (EVIC) in the IPC. No information is displayed for the fuel level, temperature gauge, odometer, outside temperature, PRNDL and optional digital speedometer Fig. 1. IMPORTANT! The analog speedometer and tachometer gauges continue to function normally Fig. 1**…
• 11036183Aug 6, 2026Electrical system. EMISSION RECALL – NORTH AMERICA Check Engine/Malfunction Indicator Lamp 16C The instrument panel cluster on about 32,587 of the above vehicles may have an inoperable check engine/malfunction indicator lamp (CEL/MIL). (JT) vehicles: CEL/MIL and cargo lamp indicator function are swapped. (JL) vehicles: CEL/MIL will not turn on. The CEL/MIL in and of itself will not affect emissions.
• 11035998Jul 31, 2026Electrical system. ID-26-37 (XZ1) Instrument Panel Cluster (IPC) - Select 2018 - 2020 Jeep Wrangler (JL) and 2020 Jeep Gladiator (JT)
• 11035997Jul 31, 2026Electrical system. D-26-17 (XZ1) Instrument Panel Cluster (IPC) - Select 2018 - 2020 Jeep Wrangler (JL) and 2020 Jeep Gladiator (JT)
• 11035973Jul 31, 2026Electrical system. Instrument Panel Cluster (IPC) Blank XZ1 Warranty Extension Customers may experience the following: SYMPTOM: ● A blank IPC display. No information is displayed for the speedometer, fuel level, temperature gauge, odometer, outside temperature and PRNDL. NOTE: The speedometer and tachometer continue to function normally. This bulletin involves replacing the IPC.
• 11035078Jul 7, 2026Engine. CORE – HEATER
• 11035077Jul 7, 2026Engine. CORE – HEATER
• 11034372Jun 23, 2026Electrical system. Motor - blower with wheel
• 11034371Jun 23, 2026Electrical system. Motor - blower with wheel
• 11034335Jun 18, 2026Engine. Bolt - hex flange head
• 11034336Jun 15, 2026Other or unknown. Heater - electric coolant
• 11034327Jun 15, 2026Other or unknown. Heater - electric coolant
• 11033957Jun 8, 2026Electrical system. Prior to replacing an inoperative passive entry door handle, perform Star Online S2623000040.
• 11033896Jun 5, 2026Body and structure, Electrical system. Passive Entry Exterior Door Handle Inoperative When Touched To Lock And Or Unlock.
• 11033882Jun 2, 2026Body and structure, Electrical system. Motor and linkage - windshield wiper
• 11032842May 13, 2026Electrical system. Radio Message "Power Surge On USB Detected" Customers may comment on the following: ● The radio displays the message: “Power surge on USB hub detected” Fig. 1. NOTE: After the message appears, no USB devices function in the hub (no charging, no data). NOTE: Hub operation does not return until the vehicle undergoes a full key cycle.
• 11032824May 7, 2026Electrical system. Radio Message "Power Surge On USB Detected" Customers may comment on the following: ● The radio displays the message: “Power surge on USB hub detected” Fig. 1. NOTE: After the message appears, no USB devices function in the hub (no charging, no data). NOTE: Hub operation does not return until the vehicle undergoes a full key cycle
• 11032647May 7, 2026Electrical system. Radio Message "Power Surge On USB Detected" Customers may comment on the following: ● The radio displays the message: “Power surge on USB hub detected” Fig. 1. NOTE: After the message appears, no USB devices function in the hub (no charging, no data). NOTE: Hub operation does not return until the vehicle undergoes a full key cycle
• 11030435Mar 27, 2026Body and structure. Wind Noise From Hard Top Freedom Panels Near Rear View Mirror While Driving.
• 11030229Mar 21, 2026Engine. Flash: Powertrain Control Module (PCM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must SYMPTOM: exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● **P0111-00 - Intake Air Temperature Sensor 1 Circuit Range Performance Bank 1. (In Active or Stored status) ● P0071-00 - Ambient Air Temperature Sensor Performance. (In Active or Stored…
• 11030262Mar 17, 2026Electrical system. Emissions Recall 16C - Check Engine/Malfunction Indicator Lamp - Dealer Notification (Revision 2)
• 11030042Mar 5, 2026Electrical system. Active Diagnostic Trouble Code (DTC) B1A10-00, B1A11-00, B1A12- 00, B1A13-00-, B1A14-00, B1A15-00, B1A16-00, and B1A17-00 in The Radio Frequency Hub (RFH)
• 11030035Mar 4, 2026Electrical system. Start Stop Charging Warning Lamp Illuminated On, Intelligent Battery Sensor (IBS) State of Charge (SOC) Inaccurate, Battery Charging Message, Presence of IBS related Diagnostic Trouble Codes (DTCs), or Battery Warning Lamp On
• 11030032Mar 4, 2026Electrical system. LAMP - TAIL
• 11030031Mar 4, 2026Electrical system. LAMP - TAIL
• 11029836Feb 25, 2026Body and structure. Handle - inside release
• 11029770Feb 25, 2026Transmission and drivetrain. Service transmission/check engine warning indicator for the 850RE, 8HP50, 8HP70, 8HP75, 8HP75-PHEV transmissions that have fault codes P07E4, P1DB2, P0716, P1B14, P0733, P1D90, P1DB7, P1B13.
• 11029765Feb 25, 2026Body and structure. Handle - inside release
• 11029683Feb 21, 2026Body and structure. Door Hem Aluminum Body Panel Corrosion Repair Customers may experience the following: SYMPTOM: ● Filifom corrosion at the hem area of the door. This bulletin involves removing corrosion and refinishing the hem area on the vehicle door.
• 11029691Feb 19, 2026Body and structure. ID-25-11 Rev. B Aluminum Filiform Corrosion Warranty Policy and Vehicle Digital Imaging (VDI) Pre-Approval Process - ALL Vehicles
• 11029690Feb 19, 2026Body and structure. D-25-15 Rev. B Aluminum Filiform Corrosion Warranty Policy and Vehicle Digital Imaging (VDI) Pre-Approval Process - ALL Vehicles
• 11029693Feb 18, 2026Body and structure. FCA Caribbean Warranty Newsletter – Volume 12, Issue 2
• 11029692Feb 18, 2026Body and structure. Warranty Newsletter – Volume 12, Issue 2
• 11029684Feb 17, 2026Body and structure. Door Hem Aluminum Body Panel Corrosion Repair Customers may experience the following: SYMPTOM: ● Filifom corrosion at the hem area of the door. This bulletin involves removing corrosion and refinishing the hem area on the vehicle door.
• 11028904Feb 14, 2026Electrical system. Start Stop Charging Warning Lamp Illuminated On, Intelligent Battery Sensor (IBS) State of Charge (SOC) Inaccurate, Battery Charging Message, Presence of IBS Related Diagnostic Trouble Codes (DTCs), or Battery Warning Lamp On
• 11028890Feb 14, 2026Electrical system. EMISSION RECALL – NORTH AMERICA Check Engine/Malfunction Indicator Lamp Reference: 16C
• 11028894Feb 13, 2026Electrical system. Washer Fluid Warning Lamp Illuminated When Reservoir Is Full
• 11028885Feb 12, 2026Suspension. DO NOT REPLACE MULTIPLE SHOCKS UNLESS ALL ARE VERIFIED TO BE DEFECTIVE. Reference Master Tech article released in January 2026 for updated diagnostic and testing procedures. Master Tech link: https: //mastertech.playerlync.net/app/player/p2tQVm
• 11028252Jan 26, 2026Suspension. DO NOT REPLACE MULTIPLE SHOCKS UNLESS ALL ARE VERIFIED TO BE DEFECTIVE. Reference Master Tech article released in December 2025 for updated diagnostic and testing procedures. Master Tech link: https: //mastertech.playerlync.net/app/player/p2tQVm
• 11027747Jan 16, 2026Electrical system. Before replacing bluetooth speaker for not charging or battery is dead, please refer to SOL #S248A000019 - Jeep Bluetooth Speaker Does Not Charge
• 11026819Dec 19, 2025Body and structure, Air bags. Door - passenger air bag
• 11026818Dec 19, 2025Body and structure. Bezel - instrument panel
• 11026664Dec 11, 2025Electrical system. Check Engine/Malfunction Indicator Lamp 16C

← All problems reported for the 2020 Jeep Gladiator