2020 Jeep Wrangler 4XE TSBs

Vehicles

Vehicles

This bulletin involves removing corrosion and refinishing the hem area on the vehicle door.

This bulletin involves removing corrosion and refinishing the hem area on the vehicle door.

Vehicles

Vehicles

exterior surface areas of the hinges, doors, fenders, swing gates or liftgates.

exterior surface areas of the hinges, doors, fenders, swing gates or liftgates.

exterior surface areas of the hinges, doors, fenders, swing gates or liftgates

Observation: The owner complains the top system is inoperative and that by pressing the switches the Power Top does not make any movement. Technician may or may not have Diagnostic Trouble Codes (DTCs). Repair Procedure: Perform the power top calibration prior to any switch or parts replacement.

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 status) P0072-00 - Ambient Air Temperature Sensor Circuit "A" Low. (In Active or Stored status) P0073-00 - Ambient Air Temperature Sensor Circuit "A" High. (In Active or Stored status) P0011-00 - Bank 1 Camshaft 1 Position Timing Over Advanced Or. (In Active or Stored status) P25E4-00 - B Camshaft Position - Unable To Achieve Locked Position Bank 1. (In Active or Stored status) P05BD-00 - Stop-Start Mode Switch Range/Performance. (In Active or Stored status) P0116-00 - Engine Coolant Temperature Sensor 1 Performance. (In Active or Stored status) P062B-00 - Internal Control Module Fuel Injector Control Performance. (In Active or Stored status) P0604-00 - Internal Control Module Random Access Memory Ram Error. (In Active or Stored status) P060C-00 - Internal Control Module Main Processor Performance. (In Active or Stored status)** P018B-00 - Fuel Pressure Sensor "B" Circuit Range/performance. **(In Active or Stored status)** P1CEA-00 - Boost Side EVAP Purge System Performance. **(In Active or Stored status)** P06DD-00 - Engine Oil Pressure Control Circuit Performance/Stuck Off. **(In Active or Stored status)** P00C6-00 - Fuel Rail Pressure Too Low - Engine Cranking. **(In Active or Stored status)** P0300-00 - Multiple Cylinder Misfire. **(In Active or Stored status)** Customers may also experience one or more of the following: **Oil Level High Warning in the Instrument Panel Cluster (IPC).** Fully Autonomous Parking Assist (FAPA) is not deactivated when accelerator pedal is pressed. Vehicle is not heating up fast enough at freezi

845RE, 8HP45, 850RE, 8HP50, 8HP70, 8HP75, 8HP75-PHEV, 8HP75-LCV, 8HP90, 8HP95. Transmissions may exhibit the following diagnostic codes: P07E4, P1DB2, P0716, P1B14, P0733, P1D90, P1DB7, P1B13.

have fault codes P07E4, P1DB2, P0716, P1B14, P0733, P1D90, P1DB7, P1B13.

Before replacing this part due to Engine Light On with P1CEA (Boost Side EVAP Purge System Performance), check for: 1) Improperly connected or kinked/pinched Purge Hoses at the Ejector Tees on the Air Box or Duct. 2) Improperly connected or kinked/pinched Purge Hose at the Purge Solenoid or OBD Valve. 3) Improperly connected or kinked/pinched Purge Hose at the Intake. 4) Check for the correct Purge Hoses installation.

There may also be associated driveability issues. Upon further investigation, the following fault codes may be found in the PCM:

that were not used in this application. To simplify the design, the connector has been optimized and updated to a 10-pin configuration.

roller-finger followers (rocker arms) separately, as these are included in the camshaft parts kit.

has become detached, it is not necessary to replace the glass assembly. For loose or detached electrical tab, refer to TSB 23-007-25 for repair procedures on reattaching a loose tab. For burned or discolored gridlines on hard tops, DO NOT change the complete Flipper glass assembly. This discoloration is oxidation of the ceramic silver material and is normal. The Engineering standard call out the fact that this bus bar will change in color and is not a deterioration of the material or performance.

message will display in the Instrument Panel Cluster (IPC) after performing RC-682-25 - Safety Recall 68C - High Voltage Battery

The rear window glass left or right side defrost solder terminal is detached from the defrost grid. This bulletin involves replacing the Electric Backlite (EBL) wire connector repair and re-securing the electrical connector(s) to the rear window.

Battery Charging Message, Presence of IBS related Diagnostic Trouble Codes (DTCs), or Battery Warning Lamp On

Battery Charging Message, Presence of IBS Related Diagnostic Trouble Codes (DTCs), or Battery Warning Lamp On

DTC C1252-92 VACUUM PUMP CONTROL CIRCUIT And Or P258B ELECTRONIC VACUUM PUMP PERFORMANCE

Tire Pressure Sensors Values Are Not Displayed

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.

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

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

B1A17-00 in The Radio Frequency Hub (RFH)

Reference Master Tech article released in January 2026 for updated diagnostic and testing procedures. Master Tech link: https: //mastertech.playerlync.net/app/player/p2tQVm

Reference Master Tech article released in December 2025 for updated diagnostic and testing procedures. Master Tech link: https: //mastertech.playerlync.net/app/player/p2tQVm

Order the "R" part number for all orders:

Add felt shim 68736674AA - 43MM OD x 10mm ID x 1mm thick. "

Order a "Z" part number for all Exchange Orders: Warranty, Mopar, Customer pay and Service contract. Order"68" part number for New unsold units only

TPM Lamp On.