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Technical Service Bulletins of the 2021 Jeep Gladiator

There have been 63 technical service bulletins issued for the 2021 Jeep Gladiator.

1 2021 Jeep Gladiator electrical equipment TSB (Bulletin 9100287)

Bulletin Date: Jan. 18, 2024
Component: Electrical equipment.
Bulletin Summary: Thermostat assy for 2022-2024my 3. 6l pentastar upgrade with p0128 failure code. Prior to performing any thermostat replacement, proceed with inspection instructions from the latest version of star online publication s2309000014
Vehicles covered in this TSB:
2021 Chrysler Pacifica, 2022 Chrysler Pacifica, 2023 Chrysler Pacifica, 2024 Chrysler Pacifica, 2021 Chrysler Voyager, 2022 Chrysler Voyager, 2023 Chrysler Voyager, 2024 Chrysler Voyager, 2021 Dodge Durango, 2022 Dodge Durango, 2023 Dodge Durango, 2024 Dodge Durango, 2021 Jeep Gladiator, 2022 Jeep Gladiator, 2023 Jeep Gladiator, 2024 Jeep Gladiator, 2021 Jeep Grand Cherokee, 2022 Jeep Grand Cherokee, 2023 Jeep Grand Cherokee, 2024 Jeep Grand Cherokee, 2021 Jeep Grand Wagoneer, 2022 Jeep Grand Wagoneer, 2023 Jeep Grand Wagoneer, 2024 Jeep Grand Wagoneer, 2022 Jeep Wagoneer, 2023 Jeep Wagoneer, 2024 Jeep Wagoneer, 2021 Jeep Wrangler, 2022 Jeep Wrangler, 2023 Jeep Wrangler, 2024 Jeep Wrangler, 2021 RAM 1500, 2022 RAM 1500, 2023 RAM 1500, 2024 RAM 1500, 2021 RAM Promaster, 2022 RAM Promaster, 2023 RAM Promaster, 2024 RAM Promaster.

2 2021 Jeep Gladiator radio/tape deck/cd TSB (Bulletin 0823023)

Bulletin Date: Oct. 17, 2023
Component: Radio/tape deck/cd.
Bulletin Summary: Radio over the air updating from qr39. 6 to qr40. 12 software version customers may experience one or more of the following symptoms: ? mobile WI-fi inoperative upon start up. ? hotspot gives "no internet" connection message on phone when
Vehicles covered in this TSB:
2021 Chrysler 300, 2022 Chrysler 300, 2023 Chrysler 300, 2021 Dodge Challenger, 2022 Dodge Challenger, 2023 Dodge Challenger, 2021 Dodge Charger, 2022 Dodge Charger, 2023 Dodge Charger, 2021 Jeep Cherokee, 2022 Jeep Cherokee, 2023 Jeep Cherokee, 2021 Jeep Compass, 2021 Jeep Gladiator, 2022 Jeep Gladiator, 2023 Jeep Gladiator, 2021 Jeep Grand Cherokee, 2021 Jeep Renegade, 2022 Jeep Renegade, 2023 Jeep Renegade, 2021 Jeep Wrangler, 2022 Jeep Wrangler, 2023 Jeep Wrangler, 2021 RAM 1500, 2022 RAM 1500, 2023 RAM 1500, 2021 RAM 2500, 2021 RAM 3500, 2021 RAM 4500, 2021 RAM 5500.

3 2021 Jeep Gladiator unknown or other TSB (Bulletin 0823023)

Bulletin Date: Oct. 17, 2023
Component: Unknown or other.
Bulletin Summary: Radio over the air updating from qr39. 6 to qr40. 12 software version customers may experience one or more of the following symptoms: ? mobile WI-fi inoperative upon start up. ? hotspot gives "no internet" connection message on phone when
Vehicles covered in this TSB:
2021 Chrysler 300, 2022 Chrysler 300, 2023 Chrysler 300, 2021 Dodge Challenger, 2022 Dodge Challenger, 2023 Dodge Challenger, 2021 Dodge Charger, 2022 Dodge Charger, 2023 Dodge Charger, 2021 Jeep Cherokee, 2022 Jeep Cherokee, 2023 Jeep Cherokee, 2021 Jeep Compass, 2021 Jeep Gladiator, 2022 Jeep Gladiator, 2023 Jeep Gladiator, 2021 Jeep Grand Cherokee, 2021 Jeep Renegade, 2022 Jeep Renegade, 2023 Jeep Renegade, 2021 Jeep Wrangler, 2022 Jeep Wrangler, 2023 Jeep Wrangler, 2021 RAM 1500, 2022 RAM 1500, 2023 RAM 1500, 2021 RAM 2500, 2021 RAM 3500, 2021 RAM 4500, 2021 RAM 5500.

4 2021 Jeep Gladiator steering TSB (Bulletin S2319000007)

Bulletin Date: Sep. 8, 2023
Component: Steering.
Bulletin Summary: Squeak noise from dash area when turning the steering wheel.
Vehicles covered in this TSB:
2020 Jeep Gladiator, 2021 Jeep Gladiator, 2022 Jeep Gladiator, 2023 Jeep Gladiator, 2018 Jeep Wrangler, 2019 Jeep Wrangler, 2020 Jeep Wrangler, 2021 Jeep Wrangler, 2022 Jeep Wrangler, 2023 Jeep Wrangler, 2024 Jeep Wrangler.

5 2021 Jeep Gladiator power window devices and controls TSB (Bulletin S2323000071)

Bulletin Date: Sep. 8, 2023
Component: Power window devices and controls.
Bulletin Summary: Front door window will not roll down all the way. Window stops part way down.
Vehicles covered in this TSB:
2020 Jeep Gladiator, 2021 Jeep Gladiator, 2022 Jeep Gladiator, 2023 Jeep Gladiator, 2018 Jeep Wrangler, 2019 Jeep Wrangler, 2020 Jeep Wrangler, 2021 Jeep Wrangler, 2022 Jeep Wrangler, 2023 Jeep Wrangler, 2024 Jeep Wrangler.

6 2021 Jeep Gladiator radio/tape deck/cd TSB (Bulletin S238A000028)

Bulletin Date: Jun. 29, 2023
Component: Radio/tape deck/cd.
Bulletin Summary: Radio black screen, freezing, reset, cutting out or inoperative intermittently
Vehicles covered in this TSB:
2020 Chrysler 300, 2021 Chrysler 300, 2022 Chrysler 300, 2023 Chrysler 300, 2020 Dodge Challenger, 2021 Dodge Challenger, 2022 Dodge Challenger, 2023 Dodge Challenger, 2020 Dodge Charger, 2021 Dodge Charger, 2022 Dodge Charger, 2023 Dodge Charger, 2020 Jeep Cherokee, 2021 Jeep Cherokee, 2022 Jeep Cherokee, 2023 Jeep Cherokee, 2020 Jeep Gladiator, 2021 Jeep Gladiator, 2022 Jeep Gladiator, 2023 Jeep Gladiator, 2020 Jeep Wrangler, 2021 Jeep Wrangler, 2022 Jeep Wrangler, 2023 Jeep Wrangler, 2020 RAM 1500, 2021 RAM 1500, 2022 RAM 1500, 2023 RAM 1500.

7 2021 Jeep Gladiator unknown or other TSB (Bulletin S238A000028)

Bulletin Date: Jun. 29, 2023
Component: Unknown or other.
Bulletin Summary: Radio black screen, freezing, reset, cutting out or inoperative intermittently
Vehicles covered in this TSB:
2020 Chrysler 300, 2021 Chrysler 300, 2022 Chrysler 300, 2023 Chrysler 300, 2020 Dodge Challenger, 2021 Dodge Challenger, 2022 Dodge Challenger, 2023 Dodge Challenger, 2020 Dodge Charger, 2021 Dodge Charger, 2022 Dodge Charger, 2023 Dodge Charger, 2020 Jeep Cherokee, 2021 Jeep Cherokee, 2022 Jeep Cherokee, 2023 Jeep Cherokee, 2020 Jeep Gladiator, 2021 Jeep Gladiator, 2022 Jeep Gladiator, 2023 Jeep Gladiator, 2020 Jeep Wrangler, 2021 Jeep Wrangler, 2022 Jeep Wrangler, 2023 Jeep Wrangler, 2020 RAM 1500, 2021 RAM 1500, 2022 RAM 1500, 2023 RAM 1500.

8 2021 Jeep Gladiator power train:automatic transmission:control module (tcm/pcm/tecm) TSB (Bulletin S2325000006)

Bulletin Date: Jun. 18, 2023
Component: Power train:automatic transmission:control module (tcm/pcm/tecm).
Bulletin Summary: Customer complaint may include a mil-on or check engine lamp on condition.
Vehicles covered in this TSB:
2020 Jeep Gladiator, 2021 Jeep Gladiator, 2022 Jeep Gladiator, 2023 Jeep Gladiator, 2018 Jeep Wrangler, 2019 Jeep Wrangler, 2020 Jeep Wrangler, 2021 Jeep Wrangler, 2022 Jeep Wrangler, 2023 Jeep Wrangler.
 

9 2021 Jeep Gladiator unknown or other TSB (Bulletin S2325000006)

Bulletin Date: Jun. 18, 2023
Component: Unknown or other.
Bulletin Summary: Customer complaint may include a mil-on or check engine lamp on condition.
Vehicles covered in this TSB:
2020 Jeep Gladiator, 2021 Jeep Gladiator, 2022 Jeep Gladiator, 2023 Jeep Gladiator, 2018 Jeep Wrangler, 2019 Jeep Wrangler, 2020 Jeep Wrangler, 2021 Jeep Wrangler, 2022 Jeep Wrangler, 2023 Jeep Wrangler.

10 2021 Jeep Gladiator engine and engine cooling TSB (Bulletin S2323000021)

Bulletin Date: May. 12, 2023
Component: Engine and engine cooling.
Bulletin Summary: Clunk noise from front end driving between 15 and 35 mph and when decelerating. C0604- active air dam control performance
Vehicles covered in this TSB:
2021 Chrysler Pacifica, 2022 Chrysler Pacifica, 2023 Chrysler Pacifica, 2021 Chrysler Voyager, 2022 Chrysler Voyager, 2023 Chrysler Voyager, 2021 Dodge Durango, 2022 Dodge Durango, 2023 Dodge Durango, 2022 Jeep Compass, 2023 Jeep Compass, 2021 Jeep Gladiator, 2022 Jeep Gladiator, 2023 Jeep Gladiator, 2021 Jeep Grand Cherokee, 2022 Jeep Grand Cherokee, 2023 Jeep Grand Cherokee, 2022 Jeep Grand Wagoneer, 2023 Jeep Grand Wagoneer, 2022 Jeep Renegade, 2023 Jeep Renegade, 2022 Jeep Wagoneer, 2023 Jeep Wagoneer, 2021 Jeep Wrangler, 2022 Jeep Wrangler, 2023 Jeep Wrangler, 2022 RAM 1500, 2023 RAM 1500, 2022 RAM 2500, 2023 RAM 2500, 2022 RAM 3500, 2023 RAM 3500, 2022 RAM 4500, 2023 RAM 4500, 2022 RAM 5500, 2023 RAM 5500, 2022 RAM Promaster, 2023 RAM Promaster.

11 2021 Jeep Gladiator power train TSB (Bulletin S2221000003)

Bulletin Date: Aug. 29, 2022
Component: Power train.
Bulletin Summary: 8-speed transmission, additional transmission fluid leak inspection/repair guidelines.
Vehicles covered in this TSB:
2018 Chrysler 300, 2019 Chrysler 300, 2020 Chrysler 300, 2021 Chrysler 300, 2022 Chrysler 300, 2018 Dodge Challenger, 2019 Dodge Challenger, 2020 Dodge Challenger, 2021 Dodge Challenger, 2022 Dodge Challenger, 2018 Dodge Charger, 2019 Dodge Charger, 2020 Dodge Charger, 2021 Dodge Charger, 2022 Dodge Charger, 2018 Dodge Durango, 2019 Dodge Durango, 2020 Dodge Durango, 2021 Dodge Durango, 2022 Dodge Durango, 2020 Jeep Gladiator, 2021 Jeep Gladiator, 2022 Jeep Gladiator, 2023 Jeep Gladiator, 2018 Jeep Grand Cherokee, 2019 Jeep Grand Cherokee, 2020 Jeep Grand Cherokee, 2021 Jeep Grand Cherokee, 2022 Jeep Grand Cherokee, 2023 Jeep Grand Cherokee, 2018 Jeep Wrangler, 2019 Jeep Wrangler, 2020 Jeep Wrangler, 2021 Jeep Wrangler, 2022 Jeep Wrangler, 2023 Jeep Wrangler, 2018 RAM 1500, 2019 RAM 1500, 2020 RAM 1500, 2021 RAM 1500, 2022 RAM 1500.

12 2021 Jeep Gladiator owners/service manual TSB (Bulletin S228A000022)

Bulletin Date: Aug. 27, 2022
Component: Owners/service manual.
Bulletin Summary: Connected service requires service message
Vehicles covered in this TSB:
2022 Jeep Cherokee, 2021 Jeep Gladiator, 2022 Jeep Gladiator, 2021 Jeep Renegade, 2022 Jeep Renegade, 2021 Jeep Wrangler, 2022 Jeep Wrangler.

13 2021 Jeep Gladiator electrical system TSB (Bulletin S2008000103RevA)

Bulletin Date: Aug. 25, 2022
Component: Electrical system.
Bulletin Summary: No start, stop start inoperative, battery or check engine light (cel) illuminated
Vehicles covered in this TSB:
2020 Jeep Gladiator, 2021 Jeep Gladiator, 2022 Jeep Gladiator, 2023 Jeep Gladiator, 2018 Jeep Wrangler, 2019 Jeep Wrangler, 2020 Jeep Wrangler, 2021 Jeep Wrangler, 2022 Jeep Wrangler, 2023 Jeep Wrangler.

14 2021 Jeep Gladiator electrical system TSB (Bulletin S2108000165RevA)

Bulletin Date: Aug. 19, 2022
Component: Electrical system.
Bulletin Summary: Mil lamp is on, multiple glow plug dtc?s
Vehicles covered in this TSB:
2021 Jeep Gladiator, 2022 Jeep Gladiator.

15 2021 Jeep Gladiator engine and engine cooling TSB (Bulletin S2025000006RevA)

Bulletin Date: Aug. 11, 2022
Component: Engine and engine cooling.
Bulletin Summary: Malfunction indicator lamp (mil) illumination. Diagnostic trouble code (dtc) p206d ? reductant quality sensor circuit high set.
Vehicles covered in this TSB:
2021 Jeep Gladiator, 2022 Jeep Gladiator, 2020 Jeep Wrangler, 2021 Jeep Wrangler, 2022 Jeep Wrangler, 2020 RAM 1500, 2021 RAM 1500, 2022 RAM 1500.

16 2021 Jeep Gladiator axle assembly TSB (Bulletin 0300322)

Bulletin Date: Jul. 14, 2022
Component: Axle assembly.
Bulletin Summary: Front or rear axle sensor kit
Vehicles covered in this TSB:
2020 Jeep Gladiator, 2021 Jeep Gladiator, 2022 Jeep Gladiator, 2018 Jeep Wrangler, 2019 Jeep Wrangler, 2020 Jeep Wrangler, 2021 Jeep Wrangler, 2022 Jeep Wrangler.

17 2021 Jeep Gladiator unknown or other TSB (Bulletin S2207000001)

Bulletin Date: Apr. 28, 2022
Component: Unknown or other.
Bulletin Summary: Coolant color looks lighter than service procedure coolant
Vehicles covered in this TSB:
2021 Jeep Gladiator, 2022 Jeep Gladiator, 2021 Jeep Wrangler, 2022 Jeep Wrangler.

18 2021 Jeep Gladiator electrical system:propulsion system:traction battery:thermal management:fluid/coolant TSB (Bulletin S2207000001)

Bulletin Date: Apr. 28, 2022
Component: Electrical system:propulsion system:traction battery:thermal management:fluid/coolant.
Bulletin Summary: Coolant color looks lighter than service procedure coolant
Vehicles covered in this TSB:
2021 Jeep Gladiator, 2022 Jeep Gladiator, 2021 Jeep Wrangler, 2022 Jeep Wrangler.

19 2021 Jeep Gladiator equipment TSB (Bulletin 2301122REVA)

Bulletin Date: Apr. 22, 2022
Component: Equipment.
Bulletin Summary: Missing front license plate bracket this bulletin involves installing a missing front license plate bracket. Customer may comment on the following: front license plate bracket missing.
Vehicles covered in this TSB:
2021 Jeep Gladiator.

20 2021 Jeep Gladiator electronic stability control:automatic (asc) TSB (Bulletin S2208000084)

Bulletin Date: Mar. 31, 2022
Component: Electronic stability control:automatic (asc).
Bulletin Summary: Esc (electronic stability control) lamp on, dtc c121c-00-torque request signal denied
Vehicles covered in this TSB:
2021 Jeep Gladiator, 2022 Jeep Gladiator.


Also see Jeep vehicle common problems.