2020 Jeep Wrangler Technical Service Bulletins

1,020 technical service bulletins (TSBs) are on record for the 2020 Jeep Wrangler. 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.

• 10225209Aug 11, 2022Electrical system. Electric Mode Temporarily Unavailable, Cluster Message Displayed Vehicle in Fuel Oil Refresh Mode (FORM)
• 10229459Aug 10, 2022Other or unknown, Seats. Cable - front seat
• 10229470Aug 5, 2022Other or unknown, Transmission and drivetrain. Coolant leak
• 10225333Aug 5, 2022Engine cooling. Coolant leak
• 10225196Aug 5, 2022Engine cooling. Coolant leak
• 10229473Aug 4, 2022Electrical system. Front Park Sensors Not Providing Warning After a Recent Service Repair
• 10229452Aug 4, 2022Other or unknown, Body and structure. TOP KIT - SOFT
• 10225336Aug 4, 2022Electrical system. Front Park Sensors Not Providing Warning After a Recent Service Repair
• 10225199Aug 4, 2022Electrical system. Front Park Sensors Not Providing Warning After a Recent Service Repair
• 10229436Aug 3, 2022Transmission and drivetrain. Axle Assembly A parts kit (SENSOR KIT, Axle: 68544629A$) is available to repair the Axle Locker Sensor on JL/JT equipped with the M210 and M220 Tru-Lok axles (DSE). This parts kit must be used when only the Axle Locker Sensor fails. Do not replace the axle for sensor failure.
• 10225299Aug 3, 2022Transmission and drivetrain, Back-over prevention (rear camera), Wheels. Axle Assembly A parts kit (SENSOR KIT, Axle: 68544629A$) is available to repair the Axle Locker Sensor on JL/JT equipped with the M210 and M220 Tru-Lok axles (DSE). This parts kit must be used when only the Axle Locker Sensor fails. Do not replace the axle for sensor failure.
• 10225162Aug 3, 2022Transmission and drivetrain. Axle Assembly A parts kit (SENSOR KIT, Axle: 68544629A$) is available to repair the Axle Locker Sensor on JL/JT equipped with the M210 and M220 Tru-Lok axles (DSE). This parts kit must be used when only the Axle Locker Sensor fails. Do not replace the axle for sensor failure.
• 10230322Jul 30, 2022Air bags. Air Bag Warning Lamp On
• 10223786Jul 30, 2022Air bags. Air Bag Warning Lamp On
• 10230308Jul 20, 2022Visibility (wipers, defrost, mirrors). Washer Inoperative, Weak Or No Spray. Low Washer Indicator May Be Illuminated.
• 10223772Jul 20, 2022Visibility (wipers, defrost, mirrors). Washer Inoperative, Weak Or No Spray. Low Washer Indicator May Be Illuminated.
• 10230340Jul 14, 2022Transmission and drivetrain. Front or Rear Axle Sensor Kit
• 10223804Jul 14, 2022Transmission and drivetrain. Front or Rear Axle Sensor Kit
• 10230302Jul 13, 2022Electrical system. No Start, Start Stop Inoperative, Cluster Message Service Start Stop System
• 10230301Jul 13, 2022Electrical system, Tires. Decreased Remote Start And RKE Range. Tire Pressure Sensors Values Are Not Displayed
• 10223766Jul 13, 2022Electrical system. No Start, Start Stop Inoperative, Cluster Message Service Start Stop System
• 10223765Jul 13, 2022Electrical system. Decreased Remote Start And RKE Range. Tire Pressure Sensors Values Are Not Displayed
• 10221446Jun 28, 2022Back-over prevention (rear camera). Panasonic VP4R Wi-Fi New Enrollment Pause
• 10221442Jun 24, 2022Visibility (wipers, defrost, mirrors). Sky Slider Power Top Does Not Operate. New Power Top Motors Inoperative
• 10221500Jun 22, 2022Exterior lighting. Headlamp Condensation Clearing Procedure This bulletin is to communicate the procedure for headlamp condensation clearing.
• 10221493Jun 18, 2022Seat belts, Seats. Front Seat Will Not Unfold and Lock Into Position This bulletin involves replacing the Easy Entry release cable and both front seattrack seat position returns. Customers may experience one or both of the following: This may be an intermittent condition the customer experiences.One or both of the front seats will not unlock from the Easy Entry position. One or both of the front seats will not unfold and lock back…
• 10221488Jun 15, 2022Transmission and drivetrain, Electrical system, Fuel system. 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 (DTCs) have been set: P0335 - Crankshaft Position Sensor Circuit. P0339 - Crankshaft Position Sensor Intermittent. P2C90 - Crankcase…
• 10221487Jun 15, 2022Back-over prevention (rear camera), Electrical system, Exterior lighting, Fuel…. 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 DTCs have been set: P0335 - Crankshaft Position Sensor Circuit. P0339 - Crankshaft Position Sensor Intermittent. P2C90 - Crankcase…
• 10221425Jun 10, 2022Equipment. Panasonic VP4R Wi-Fi New Enrollment Pause
• 10221415Jun 9, 2022Transmission and drivetrain. Sky Slider Power Top Does Not Operate. New Power Top Motors Inoperative
• 10221408Jun 3, 2022Steering. Shimmy Felt In Front End
• 10214530May 25, 2022Equipment, Electrical system. complete wiring harness Before replacing this harness, please check for an available connector repair kit at the following: http://connectors.dcctools.com/home.htm;jsessionid=C6A3F1B696B030953878BF34FE86A8FE If a connector repair kit is not available on the website contact FCA Redacted Content to see if an alternative repair kit is available for your application prior to ordering the harness. If no response in 15…
• 10214578May 21, 2022Equipment, Electrical system. Panasonic VP4R Wi-Fi New Enrollment Pause
• 10214600May 11, 2022Equipment, Transmission and drivetrain, Electrical system. 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 the following (DTC): P0441- EVAP Purge System Performance. The customer may comment on one or more of the following: Pinging/detonation sound from the engine after…
• 10214557May 7, 2022Electrical system, Tires. Low Tire Pressure Lamp Warning Lamp Illuminated, DTC?s C1501-96, C1502-96, C1503-96, C1504-96
• 10214560May 6, 2022Electrical system, Transmission and drivetrain, Engine cooling. Malfunction Indicator Lamp (MIL) Illumination. Diagnostic Trouble Codes (DTCs) P208B ? Reductant Pump 1 Control Performance, and/or P20E8 ? Reductant Pressure Too Low, Set.
• 10228014Apr 30, 2022Steering, Air bags, Transmission and drivetrain, Electrical system. U0131 Lost Communication With Power Steering Control Module A DTC Active Or Stored. EPS Light On.
• 10228059Apr 28, 2022Fuel system. Water Pump Inlet Tube Fastener Torque
• 10228044Apr 28, 2022Fuel system, Engine cooling. Water Pump Inlet Tube Fastener Torque This bulletin involves checking the torque on the water pump inlet tube fasteners to possibly eliminate coolant leak at this location. The customer may describe either a coolant leak or the coolant level is low.
• 10227983Apr 2, 2022Engine cooling, Equipment. If a Mopar oil filter is not available, use a filter that meets or exceeds USCAR36 specification and is compatible with semi and full synthetic oils.
• 10229087Mar 30, 2022Engine cooling. MIL Lamp On, DTC P0330 Knock Sensor 2 Circuit
• 10223125Mar 30, 2022Back-over prevention (rear camera). MIL Lamp On, DTC P0330 Knock Sensor 2 Circuit
• 10220743Mar 30, 2022Back-over prevention (rear camera). MIL Lamp On, DTC P0330 Knock Sensor 2 Circuit
• 10212346Mar 30, 2022Electrical system. MIL Lamp On, DTC P0330 Knock Sensor 2 Circuit
• 10229083Mar 25, 2022Engine cooling. Malfunction Indicator Lamp (MIL) Illumination. Diagnostic Trouble Code (DTC) P0403 ? EGR Control Circuit Open, Set.
• 10223121Mar 25, 2022Exterior lighting. Malfunction Indicator Lamp (MIL) Illumination. Diagnostic Trouble Code (DTC) P0403 ? EGR Control Circuit Open, Set.
• 10220739Mar 25, 2022Exterior lighting. Malfunction Indicator Lamp (MIL) Illumination. Diagnostic Trouble Code (DTC) P0403 ? EGR Control Circuit Open, Set.
• 10212342Mar 25, 2022Exterior lighting, Electrical system. Malfunction Indicator Lamp (MIL) Illumination. Diagnostic Trouble Code (DTC) P0403 ? EGR Control Circuit Open, Set.
• 10229076Mar 24, 2022Back-over prevention (rear camera). Rattle Noise From Door
• 10223114Mar 24, 2022Back-over prevention (rear camera). Rattle Noise From Door

← All problems reported for the 2020 Jeep Wrangler