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Service bulletins for the 2021 Jeep Wrangler

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.

1062 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

Bulletins, newest first
S22080000672022-09-26. Service bulletin. LANE DEPARTURE; ELECTRICAL SYSTEM:PROPULSION SYSTEM:HYBRID MANAGEMENT:POWER CONTROL UNIT/MODULE (HPCU). No Start, Service Hybrid Electric Cluster Message, Turtle Warning Lamp On
90045052022-09-26. Service bulletin. EQUIPMENT:ELECTRICAL. Lithium Ion Batteries Beginning April 1, 2022, a $5,000 penalty will be assessed to dealers who return any visually damaged battery to the supplier. Improper handling of damaged lithium ion batteries can cause property damage, serious injury or even death. Exemptions will not be made for any dealer who fails to follow the appropriate handling process. To read the DCMail communication, go to DealerCONNECT > DCMail (ID: 81758) For details on recyclers, please visit the Mopar Dealer Site Lithium Ion Battery Handling page: https://www.dealers-mopar.com/moparone/retail/programs/battery-program/lithium-ion.jsp
90045012022-09-26. Service bulletin. SERVICE BRAKES; FUEL SYSTEM, GASOLINE. PUMP, Washer, Windshield Windshield washer pump is inop or low pressure If customer comes in with the issue described above, please contact the following individuals prior to servicing the vehicle. FCA Redacted Content If no response in 15 minutes, proceed with repair.
90044912022-09-26. Service bulletin. SUSPENSION: ADJUSTMENT:AUTOMATIC ELECTRICAL/HYDRAULIC. SHOCK ABSORBER KIT, Suspension, Front/Rear For concern of shock oil leak, please contact FCA Redacted Content prior to replacing this part. If no response in 15 minutes, proceed with the repair.
W882022-09-26. Service bulletin. EQUIPMENT. Customer Satisfaction Notification W88 MOPAR Grab Handles
S21080000562022-09-26. Service bulletin. ELECTRICAL SYSTEM. U0111-00 Lost Communication With Battery Energy Control Module Set In The HCP. BPCM Offline, Multiple Low Voltage DTC?s.
S21080000472022-09-26. Service bulletin. ELECTRICAL SYSTEM. Jeep Off Road Pages Missing Latitude And Longitude Coordinates
S21080000452022-09-26. Service bulletin. EQUIPMENT:ELECTRICAL:INFOTAINMENT:SOFTWARE. Favorite Song On-Air Alert List Empty
S21080000432022-09-26. Service bulletin. BACK OVER PREVENTION. Backup Camera has Black Screen with ?Check Entire Surroundings? Message
S2019000005RevA2022-09-26. Service bulletin. STEERING; ELECTRICAL SYSTEM; POWER TRAIN; AIR BAGS. U0131 Lost Communication With Power Steering Control Module A DTC Active. EPS Light On.
S2119000001RevA2022-09-26. Service bulletin. BACK OVER PREVENTION; STEERING. Click Pop Creak Noise While Turning Steering Wheel
S21140000012022-09-26. Service bulletin. VEHICLE SPEED CONTROL. Humming/Buzzing Noise From Under The Hood With The Key Off.
S21080000302022-09-26. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV). No Crank, No Start
S1818000024RevB2022-09-15. Service bulletin. FUEL SYSTEM, DIESEL:FUEL INJECTION SYSTEM. Diesel Fuel Injector Cleaning Procedure
S21080002042022-09-15. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. Radio Lockup In The Software Installation Screen After Accepting FOTA Update (Incorrect "S2008000204" indicated on published document)
S21090000102022-09-15. Service bulletin. ENGINE. 3.0L Ecodiesel Engine Oil Information
S2125000002RevA2022-09-15. Service bulletin. FUEL SYSTEM, GASOLINE. Customer complaint includes a Mil-on condition. Upon further investigation, one or more of the following fault codes may be set in the PCM: P0456 - EVAP System Small Leak P0455 - EVAP System Large Leak P04EC - EVAP System Large Leak - Fuel Tank Side (PHEV only) P04EE - EVAP System Very Small Leak - Fuel Tank Side (PHEV only) P0441 - EVAP Purge Flow Performance P1CEA - Boost Side EVAP Purge System Performance
S1918000008RevC2022-09-15. Service bulletin. BACK OVER PREVENTION. Customer?s complaint may include a MIL-on with one or more of the following DTCs (Active, Pending, or Stored) in the PCM: P0133, P0137, P0171, P0300, P2096. The root cause could be due to oil leaking from Bank 1 valve cover seal on to the 1/2 (Bank 1 downstream) O2 sensor. This can adversely affect the 1/2 O2 sensor signal reading and lead to listed DTCs. Before performing normal diagnostic routines for the above codes, check for the condition listed above.
S21240000112022-09-15. Service bulletin. VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. Customer indicates that the ESS functionality is not operational while using different functions of the HVAC system.
18-074-212022-08-22. Service bulletin. POWER TRAIN. Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the PCM with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find one or more of the following Diagnostic Trouble Code (DTC). U0402-00 - Implausible Data Received From TCM. U145D - Implausible Data Received From TCM On D-PT. Additional module flashes are required for this update to be effective, the following modules are all to be updated along with this PCM update:Hybrid Control Processor (HCP), Auxiliary Hybrid Control Processor (AHCP) also known as the Power Invertor Module (PIM). Transmission Control Module (TCM). Battery Pack Control Module (BPCM). Integrated Dual Charging Module (IDCM).
08-141-212022-08-22. Service bulletin. POWER TRAIN; ELECTRICAL SYSTEM. Flash: Battery Pack Control Module (BPCM) Diagnostic and System Updates This bulletin involves updating the BPCM with the latest available software. Customers may experience a false Malfunction Indicator Lamp (MIL) illumination related to PHEV battery: U0111 - Lost Communication With Hybrid Battery Pack Sensor Module. P0EDD-00 - Hybrid/EV Battery Pack B Deterioration. P0CA7-00 - Hybrid/EV Battery Discharging Current High. P1A0C-00 - Battery Energy Control Module System Voltage Low. This software enhancement will improve PHEV battery performance and diagnostics.Additional module flashes are required for this update to be effective, the following modules are all to be updated along with this BPCM update:Hybrid Control Processor (HCP), Auxiliary Hybrid Control Processor (AHCP) also known as the Power Invertor Module (PIM). Transmission Control Module (TCM). Powertrain Control Module (PCM). Integrated Dual Charging Module (IDCM).
21-028-212022-08-22. Service bulletin. POWER TRAIN. Flash: Transmission Control Module (TCM) Updates This bulletin involves reprogramming the TCM with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find one or more of the following Diagnostic Trouble Code (DTC). U0293-00 - Lost Communication With Hybrid Control Module. P0732-00 - Gear 2 Shift Incorrect Ratio. P061B-00 - Internal Control Module Torque Calculation Performance. Other software enhancement::2?1 downshift improvement. Additional module flashes are required for this update to be effective, the following modules are all to be updated along withthis PCM update:Hybrid Control Processor (HCP), Auxiliary Hybrid Control Processor (AHCP) also known as the Power Invertor Module (PIM). Powertrain Control Module (PCM). Battery Pack Control Module (BPCM). Integrated Dual Charging Module (IDCM).
08-144-212022-08-22. Service bulletin. ELECTRICAL SYSTEM:PROPULSION SYSTEM:HYBRID MANAGEMENT:POWER CONTROL UNIT/MODULE (HPCU); ELECTRICAL SYSTEM. Flash: Hybrid Control Processor (HCP) and Auxiliary Hybrid Control Processor (AHCP) Updates This bulletin involves reprogramming the HCP and AHCP or also known as Power Inverter Module (PIM) with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find one or more of the following Diagnostic Trouble Code (DTC). P061B-00 - Internal Control Module Torque Calculation Performance.P061B-00 DTC may set after driving on snow/ice in 2WD and Traction Control System (TCS) turned off. P06A3-00 - Sensor Reference Voltage "D" Circuit/Open. P0697-00 - Sensor Reference Voltage 3 Circuit. Additional module flashes are required for this update to be effective, the following modules are all to be updated along with this HCP and AHCP update:Powertrain Control Module (PCM) Transmission Control Module (TCM). Battery Pack Control Module (BPCM). Integrated Dual Charging Module (IDCM).
08-145-212022-08-22. Service bulletin. ELECTRICAL SYSTEM. Flash: Integrated Dual Charging Module (IDCM) Enhancements This bulletin involves reprogramming the IDCM with the latest software available or replacing the IDCM if required. . Module, Integrated Dual Charging (IDCM)
08-143-212022-08-22. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL; ELECTRICAL SYSTEM. Flash: Instrument Panel Cluster (IPC) Updates This bulletin involves reprogramming the IPC with the latest available software. Customers may comment on the following:Vehicle doesn't switch to EV mode. Front passenger seat belt chime may still ding approximately 20 seconds after the belt has been fastened. Battery was dead after leaving the vehicle overnight. Battery bar gauge graphics indicates an empty charge while showing full charge % and full range.The battery percentage and range are accurate and are not affected by this issue, only the graphical bar is wrong. After starting the vehicle or battery replacement incorrect odometer value was displayed.Actual vehicle mileage is still stored in the PCM&RF Hub which can be retrieved for a cluster replacement using wiTECH.

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