2020 Jeep WranglerService bulletins
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.
- 10180209Aug 12, 2020Exterior lighting, Engine cooling, Fuel system. (Revision A) Malfunction Indicator Lamp (MIL) Illumination. Diagnostic Trouble Codes (DTCs) P20E8 ? Reductant Pressure Too Low and/or P208B ? Reductant Pump 1 Control Performance Set.
- 10221868Aug 10, 2020Steering. Improved Steering Feel This bulletin involves replacing the steering gear and updating the Electric Hydraulic Power Steering (EHPS) software, if required. The customer may describe one or more of the following:Steering wander. Vehicle has a lead/pull to the right or left.The lead/pull will be more noticeable in hot ambient temperatures. Steering feels like it has excess play.This service bulletin repair will NOT…
- 10180258Aug 10, 2020Steering, Transmission and drivetrain. Improved Steering Feel This bulletin involves replacing the steering gear and updating the Electric Hydraulic Power Steering (EHPS) software, if required. The customer may describe one or more of the following:Steering wander. Vehicle has a lead/pull to the right or left.The lead/pull will be more noticeable in hot ambient temperatures. Steering feels like it has excess play.This service bulletin repair will NOT…
- 10221780Aug 5, 2020Transmission and drivetrain, Engine cooling. PAN AND FILTER, Transmission Oil / GASKET, Oil Pan Prior to replacing the transmission oil pan or replacing the oil pan gasket for a leak in the oil pan area, please contact FCA Redacted Content. The CST will review root causing steps and suggest if the part is required to be returned back to FCA.
- 10180170Aug 5, 2020Transmission and drivetrain, Equipment. PAN AND FILTER, Transmission Oil / GASKET, Oil Pan Prior to replacing the transmission oil pan or replacing the oil pan gasket for a leak in the oil pan area, please contact FCA Redacted Content. The CST will review root causing steps and suggest if the part is required to be returned back to FCA.
- 10221859Aug 1, 2020Transmission and drivetrain. Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the PCM with the latest available software. The customer may comment on one or more of the following:Abnormal Engine noise heard periodically. This noise is caused by Variable Valve Timing (VVT) cleaning cycle. A misfire condition with no Malfunction Indicator Lamp (MIL) illumination or Diagnostic Trouble Codes (DTCs) set.
- 10221813Aug 1, 2020Other or unknown, Electrical system. No Start Intermittently, Vehicle Requires Multiple Keyless Push To Start Attempts To Start Vehicle
- 10180249Aug 1, 2020Transmission and drivetrain, Electrical system, Engine. Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the PCM with the latest available software. The customer may comment on one or more of the following:Abnormal Engine noise heard periodically. This noise is caused by Variable Valve Timing (VVT) cleaning cycle. A misfire condition with no Malfunction Indicator Lamp (MIL) illumination or Diagnostic Trouble Codes (DTCs) set.
- 10180203Aug 1, 2020Engine, Electrical system. No Start Intermittently, Vehicle Requires Multiple Keyless Push To Start Attempts To Start Vehicle
- 10229311Jul 31, 2020Body and structure, Back-over prevention (rear camera). MIL Lamp On Setting DTC?s P0441, P0456, P0457, P0440
- 10221741Jul 31, 2020Electrical system. MIL Lamp On Setting DTC?s P0441, P0456, P0457, P0440
- 10178668Jul 31, 2020Engine cooling. MIL Lamp On Setting DTC?s P0441, P0456, P0457, P0440
- 10229300Jul 17, 2020Vehicle speed control, Visibility (wipers, defrost, mirrors), Lane departure. Power Mirrors And Door Locks Do Not Function. Blind Spot Alert Temporarily Unavailable Is Displayed On The EVIC
- 10221730Jul 17, 2020Visibility (wipers, defrost, mirrors), Back-over prevention (rear camera). Power Mirrors And Door Locks Do Not Function. Blind Spot Alert Temporarily Unavailable Is Displayed On The EVIC
- 10178657Jul 17, 2020Lane departure, Visibility (wipers, defrost, mirrors). Power Mirrors And Door Locks Do Not Function. Blind Spot Alert Temporarily Unavailable Is Displayed On The EVIC
- 10229295Jul 15, 2020Electrical system. No Start, High Current Fuse Array (HCFA) Location And Testing
- 10229293Jul 15, 2020Equipment. Uconnect Market Place APP Fatal Error Message
- 10229253Jul 15, 2020Transmission and drivetrain, Suspension. RECEIVER, Hub (RF Hub) For reports of vehicle unable to key on or instances of RFHM shows as unresponsive in WiTech topology diagnostically, please contact FCA Redacted Content prior to replacing this part. If no response in 15 minutes, proceed with repair.
- 10221725Jul 15, 2020Electrical system. No Start, High Current Fuse Array (HCFA) Location And Testing
- 10221723Jul 15, 2020Equipment. Uconnect Market Place APP Fatal Error Message
- 10221683Jul 15, 2020Body and structure. RECEIVER, Hub (RF Hub) For reports of vehicle unable to key on or instances of RFHM shows as unresponsive in WiTech topology diagnostically, please contact FCA Redacted Content prior to replacing this part. If no response in 15 minutes, proceed with repair.
- 10178652Jul 15, 2020Electrical system, Equipment. No Start, High Current Fuse Array (HCFA) Location And Testing
- 10178650Jul 15, 2020Equipment, Electrical system. Uconnect Market Place APP Fatal Error Message
- 10178610Jul 15, 2020Electrical system, Equipment. RECEIVER, Hub (RF Hub) For reports of vehicle unable to key on or instances of RFHM shows as unresponsive in WiTech topology diagnostically, please contact FCA Redacted Content prior to replacing this part. If no response in 15 minutes, proceed with repair.
- 10229329Jul 10, 2020Exterior lighting, 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 one or more ofthe following Diagnostic Trouble Codes (DTCs) have been set:P0607 - ECU Internal Performance. P0506 - Idle Speed Performance Lower Than Expected
- 10229290Jul 10, 2020Seats. Front Seat Lift Handle Binding
- 10229289Jul 10, 2020Body and structure. Water Leak From Front Or Rear Of Sky Slider Open Top
- 10221759Jul 10, 2020Transmission and drivetrain, Electrical system, Exterior lighting. 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 ofthe following Diagnostic Trouble Codes (DTCs) have been set:P0607 - ECU Internal Performance. P0506 - Idle Speed Performance Lower Than Expected
- 10221720Jul 10, 2020Seats. Front Seat Lift Handle Binding
- 10221719Jul 10, 2020Visibility (wipers, defrost, mirrors). Water Leak From Front Or Rear Of Sky Slider Open Top
- 10178686Jul 10, 2020Transmission and drivetrain. 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 ofthe following Diagnostic Trouble Codes (DTCs) have been set:P0607 - ECU Internal Performance. P0506 - Idle Speed Performance Lower Than Expected
- 10178647Jul 10, 2020Seats, Equipment. Front Seat Lift Handle Binding
- 10178646Jul 10, 2020Equipment, Body and structure. Water Leak From Front Or Rear Of Sky Slider Open Top
- 10229285Jul 3, 2020Equipment. Apple Carplay Inoperative Or Not Working, Phone Not Pairing, Carplay Lockup, Freeze or Audio Concerns
- 10229281Jul 3, 2020Electronic stability control, Lane departure. ESC Cluster Warning Lamp On, DTC B1783-01 Stop Lamp Control Circuit General Failure
- 10221715Jul 3, 2020Equipment. Apple Carplay Inoperative Or Not Working, Phone Not Pairing, Carplay Lockup, Freeze or Audio Concerns
- 10221711Jul 3, 2020Electrical system. ESC Cluster Warning Lamp On, DTC B1783-01 Stop Lamp Control Circuit General Failure
- 10178642Jul 3, 2020Equipment, Electrical system. Apple Carplay Inoperative Or Not Working, Phone Not Pairing, Carplay Lockup, Freeze or Audio Concerns
- 10178638Jul 3, 2020Electrical system. ESC Cluster Warning Lamp On, DTC B1783-01 Stop Lamp Control Circuit General Failure
- 10229283Jul 2, 2020Exterior lighting, Back-over prevention (rear camera). Malfunction Indicator Lamp (MIL) Illumination. Diagnostic Trouble Code (DTC) P206D ? Reductant Quality Sensor Circuit High Set.
- 10221713Jul 2, 2020Electrical system. Malfunction Indicator Lamp (MIL) Illumination. Diagnostic Trouble Code (DTC) P206D ? Reductant Quality Sensor Circuit High Set.
- 10178640Jul 2, 2020Electrical system, Transmission and drivetrain. Malfunction Indicator Lamp (MIL) Illumination. Diagnostic Trouble Code (DTC) P206D ? Reductant Quality Sensor Circuit High Set.
- 10223597Jun 30, 2020Transmission and drivetrain. 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 of the followingDTCs have been set:P2C90 - Crankcase Ventilation System - Hose "A" Disconnected. P0607 - ECU Internal Performance. P0506 - Idle Speed Performance…
- 10223560Jun 30, 2020Equipment. Uconnect Market Place APP Fatal Error Message
- 10223559Jun 30, 2020Lane departure. Blind Spot Or Park Assist Warnings, False Activation
- 10177542Jun 30, 2020Transmission 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 one of the followingDTCs have been set:P2C90 - Crankcase Ventilation System - Hose "A" Disconnected. P0607 - ECU Internal Performance. P0506 - Idle Speed Performance…
- 10177505Jun 30, 2020Electrical system. Uconnect Market Place APP Fatal Error Message
- 10177504Jun 30, 2020Electrical system. Blind Spot Or Park Assist Warnings, False Activation
- 10223556Jun 25, 2020Electrical system. No Start, Start Stop Inoperative, Cluster Messages to Service Shifter or Service Start Stop System
- 10177501Jun 25, 2020Transmission and drivetrain. No Start, Start Stop Inoperative, Cluster Messages to Service Shifter or Service Start Stop System
← All problems reported for the 2020 Jeep Wrangler
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Nov 1, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.