Jeep Wrangler Service Bulletins (2021)
1,032 manufacturer communications on file.
- March 8, 2022•Document ID: 10223141Service Bulletin/Repair InstructionsFUEL SYSTEM, GASOLINE; FUEL SYSTEM, DIESEL
- Mfr Comm. #:
- Y81
- Date Added:
- October 17, 2022
- Manufacturer:
- RAM
SummaryEmissions Recall Y81 Diesel Exhaust Fluid Inducement
Associated Products (3)Associated Documents - March 8, 2022•Document ID: 10223074Service Bulletin/Repair InstructionsLANE DEPARTURE
- Mfr Comm. #:
- S2208000067
- Date Added:
- October 17, 2022
- Manufacturer:
- JEEP
SummaryNo Start, Service Hybrid Electric Cluster Message, Turtle Warning Lamp On
Associated Products (2)Associated Documents - March 8, 2022•Document ID: 10220759Service Bulletin/Repair InstructionsFUEL SYSTEM, DIESEL; FUEL SYSTEM, GASOLINE
- Mfr Comm. #:
- Y81
- Date Added:
- September 26, 2022
- Manufacturer:
- JEEP
SummaryEmissions Recall Y81 Diesel Exhaust Fluid Inducement
Associated Products (3)Associated Documents - March 8, 2022•Document ID: 10220692Service Bulletin/Repair InstructionsELECTRICAL SYSTEM:PROPULSION SYSTEM:HYBRID MANAGEMENT:POWER CONTROL UNIT/MODULE (HPCU); LANE DEPARTURE
- Mfr Comm. #:
- S2208000067
- Date Added:
- September 26, 2022
- Manufacturer:
- JEEP
SummaryNo Start, Service Hybrid Electric Cluster Message, Turtle Warning Lamp On
Associated Products (2)Associated Documents - March 8, 2022•Document ID: 10212362Service Bulletin/Repair InstructionsENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL; ENGINE AND ENGINE COOLING:ENGINE:DIESEL; FUEL SYSTEM, DIESEL
- Mfr Comm. #:
- Emissions Recall
- Date Added:
- May 31, 2022
- Manufacturer:
- RAM
SummaryEmissions Recall Y81 Diesel Exhaust Fluid Inducement
Associated Products (3)Associated Documents - March 8, 2022•Document ID: 10212295Service Bulletin/Repair InstructionsELECTRICAL SYSTEM; HYBRID PROPULSION SYSTEM
- Mfr Comm. #:
- S2208000067
- Date Added:
- May 31, 2022
- Manufacturer:
- JEEP
SummaryNo Start, Service Hybrid Electric Cluster Message, Turtle Warning Lamp On
Associated Products (2)Associated Documents - March 3, 2022•Document ID: 10212350Service Bulletin/Repair InstructionsEQUIPMENT
- Mfr Comm. #:
- 82008
- Date Added:
- May 31, 2022
- Manufacturer:
- JEEP
SummaryWarranty Operations Newsletter Volume 8, Issue 2
Associated Products (2)Associated Documents - January 27, 2022•Document ID: 10222997Service Bulletin/Repair InstructionsELECTRICAL SYSTEM; EXTERIOR LIGHTING; BACK OVER PREVENTION
- Mfr Comm. #:
- 0802022
- Date Added:
- October 17, 2022
- Manufacturer:
- JEEP
SummaryFlash: Amplifier (AMP) Diagnostic and System Updates This bulletin involves reprogramming the AMP with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find that one or more of the following Diagnostic Trouble Codes (DTCs) have been set: B143B-12 - ANC Microphone 1-Circuit Short To Battery. B143C-12 - ANC Microphone 2-Circuit Short To Battery. B143E-12 - ANC Microphone 3-Circuit Short To Battery. B143F-12 - ANC Microphone 4-Circuit Short To Battery.The DTCs are wrongly set and do not affect Active Noise Cancelation (ANC) performance.
Associated Products (4)Associated Documents - January 19, 2022•Document ID: 10222883Service Bulletin/Repair InstructionsBACK OVER PREVENTION; WHEELS
- Mfr Comm. #:
- 9004465
- Date Added:
- October 17, 2022
- Manufacturer:
- JEEP
SummaryAXLE, Service Rear A new parts kit (SENSOR KIT, Axle: 68544629AA) is available to repair the Axle Locker Sensor on the 2018 - 2022 JL/JT equipped with the M210 and M220 Tru-Lok axles (DSE). This new parts kit must be used when only the Axle Locker Sensor fails.
Associated Products (4)Associated Documents - January 5, 2022•Document ID: 10222968Service Bulletin/Repair InstructionsSERVICE BRAKES, HYDRAULIC; BACK OVER PREVENTION; SUSPENSION; ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC); FUEL SYSTEM, GASOLINE; EXTERIOR LIGHTING; ELECTRICAL SYSTEM; FUEL SYSTEM, DIESEL
- Mfr Comm. #:
- 1800122
- Date Added:
- October 17, 2022
- Manufacturer:
- JEEP
SummaryFlash: 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, a technician may find one or more of the following DTCs have been set: P04DB - Crankcase Ventilation System Disconnected. P040F - EGR Temperature Sensor A-B Correlation. P225D - Nox Sensor 1/1 Performance - Signal Stuck Low. P0088 - Fuel Rail Pressure Too High. P0404 - EGR ?A? Control Circuit Range/Performance. P20C6 - Reductant Heater 4 Control Circuit Performance. P208B - Reductant Pump 1 Control Performance. P0524 - Low oil pressure (during start up in cold ambient temps). P249C-00 - Excessive Time To Enter Closed Loop Reductant Injection Control. P02E8-00 - Diesel Intake Air Flow Position Sensor Circuit Low. P20FB-00 - Reductant Pump 2 Control Performance. P065A-00 - Generator System Performance. Customers may experience one or more of the following:Slow acceleration. Reduced vehicle speed&torque in high and 4 low. Poor cold idle stability. Poor idle quality with AC on. Excessive engine speed oscillations at tachometer red-line. Following a long key-on situation, poor cold start and idle stability. Cold hard start/extended crank. Block heater not providing a proper cold start and stable idle. High idle speeds at altitude when remote start is active. The cruise control and speed limited set speed doesn?t match the speedometer. It could be up to 2.5 kph (1.5 mph) difference. Other Software enhancements:Corrects instances of vehicles restarting once SRC Inducement is active, and the mileage countdown has expired. Reduce engine delay during cold start garage shifts. Improve idle stability, Improvement of cold start and combustion stability after start during cold ambient temperatures. Eliminate turbocharger surge on tip-out. Eliminate idle oscillation in park and drive. Speedometer accuracy improvement(s). Cruise control updates.
Associated Products (1)Associated Documents - January 1, 2022•Document ID: 10222995Service Bulletin/Repair InstructionsENGINE AND ENGINE COOLING; FUEL SYSTEM, GASOLINE
- Mfr Comm. #:
- 700122
- Date Added:
- October 17, 2022
- Manufacturer:
- JEEP
SummaryWater 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.
Associated Products (1)Associated Documents - January 1, 2022•Document ID: 10222962Service Bulletin/Repair InstructionsENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL
- Mfr Comm. #:
- Recall
- Date Added:
- October 17, 2022
- Manufacturer:
- JEEP
SummaryEmissions Recall Y75 Instrument Panel Cluster Software
Associated Products (2)Associated Documents - January 1, 2022•Document ID: 10222950Service Bulletin/Repair InstructionsENGINE AND ENGINE COOLING
- Mfr Comm. #:
- S2008000033
- Date Added:
- October 17, 2022
- Manufacturer:
- JEEP
SummaryMIL Lamp On, DTC P0325 - Knock Sensor 1 Circuit
Associated Products (1)Associated Documents - January 1, 2022•Document ID: 10222946Service Bulletin/Repair InstructionsEQUIPMENT:ELECTRICAL
- Mfr Comm. #:
- S2208000025
- Date Added:
- October 17, 2022
- Manufacturer:
- JEEP
SummaryABS Lamp On, U0121 Lost Communication With ABS Module, Stop Start Inoperative U0037-00 LIN BUS
Associated Products (2)Associated Documents - January 1, 2022•Document ID: 10222943Service Bulletin/Repair InstructionsPOWER TRAIN
- Mfr Comm. #:
- S2208000022
- Date Added:
- October 17, 2022
- Manufacturer:
- JEEP
SummaryNo Crank, No Start, Battery Light On
Associated Products (1)Associated Documents - January 1, 2022•Document ID: 10222930Service Bulletin/Repair InstructionsEXTERIOR LIGHTING
- Mfr Comm. #:
- S2118000015
- Date Added:
- October 17, 2022
- Manufacturer:
- JEEP
SummaryMalfunction Indicator Lamp (MIL) Illumination. Diagnostic Trouble Code (DTC) P0403 ? EGR Control Circuit Open, Set.
Associated Products (6)Associated Documents - January 1, 2022•Document ID: 10222909Service Bulletin/Repair InstructionsLANE DEPARTURE
- Mfr Comm. #:
- S2208000008
- Date Added:
- October 17, 2022
- Manufacturer:
- JEEP
SummaryService Axle Locker Warning Message
Associated Products (1)Associated Documents - January 1, 2022•Document ID: 10222896Service Bulletin/Repair InstructionsBACK OVER PREVENTION; POWER TRAIN
- Mfr Comm. #:
- S2223000001
- Date Added:
- October 17, 2022
- Manufacturer:
- JEEP
SummaryRattle Noise From Power Top Driving Over Bumps Or Rough Road
Associated Products (2)Associated Documents - November 24, 2021•Document ID: 10204304Service Bulletin/Repair InstructionsSERVICE BRAKES
- Mfr Comm. #:
- 9004448
- Date Added:
- December 13, 2021
- Manufacturer:
- JEEP
SummaryMASTER CYLINDER, Brake Prior to replacing the master cylinder please call Paul Kuehl at (248) 535-7013FCA Redacted Content. If no response in 15 minutes, proceed with repair.
Associated Products (1)Associated Documents - November 19, 2021•Document ID: 10204405Service Bulletin/Repair InstructionsELECTRICAL SYSTEM; HYBRID PROPULSION SYSTEM
- Mfr Comm. #:
- 08-177-21
- Date Added:
- December 13, 2021
- Manufacturer:
- JEEP
SummaryBEV/Hybrid - Showroom and Display Vehicle Battery Maintenance This information only bulletin discusses procedures that must be followed for BEV/Hybrid vehicles that are on display at dealership showrooms.
Associated Products (8)Associated Documents