2012 Jeep Wrangler Technical Service Bulletins

244 technical service bulletins (TSBs) are on record for the 2012 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.

• 10144799Mar 11, 2015Body and structure. Part Description: Soft Top Quarter Window or Rear Window Issue Description: Please cycle the zipper 5-10 times when there is a single skipped zipper tooth.
• 10144803Mar 4, 2015Visibility (wipers, defrost, mirrors). Loss Of Power Heated Mirror Function - Recall P61 Refer to service procedures outlined in recall P61.
• 10223599Feb 11, 2015Engine cooling. Part Description: Valve Body Assembly Issue Description: Valve body design was changed between 2010MY and 2011MY applications. To prevent mix matching valve bodies and solenoid packs the connectors are color coded.~ Valve bodies with a white connector can be used on 2010, 2009, 2008..., model years. Valve bodies with a gray connector can only be used on 2011, 2012, 2013..., model years.~ Solenoid packs with a white…
• 10221069Dec 16, 2014Engine cooling. Cowl Trim Panel Fastener Water Leak This bulletin involves modifying or replacing the cowl trim panel fasteners to correct a water leak condition. The customer may describe a water accumulation condition on the vehicle floor front foot well area.
• 10139899Dec 16, 2014Body and structure. Cowl Trim Panel Fastener Water Leak This bulletin involves modifying or replacing the cowl trim panel fasteners to correct a water leak condition. The customer may describe a water accumulation condition on the vehicle floor front foot well area.
• 10057235Dec 16, 2014Electrical system. Jeep wrangler 2012-2014: cowl trim panel fastener water leak. Customer may experience water accumulation on the front floor area. *lj updated 05/01/15.
• 10229899Dec 15, 2014Engine cooling. MIL Illumination: P0300, P0302, P0304 or P0306 (X56 Warranty Extension) This bulletin involves checking for excessive cylinder leakage and replacing the cylinder head if necessary. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the Technician may find that any the following Diagnostic Trouble Codes have been set: P0300- Multiple Cylinder Misfire P0302- Cylinder…
• 10221067Dec 15, 2014Exterior lighting, Fuel system. MIL Illumination: P0300, P0302, P0304 or P0306 (X56 Warranty Extension) This bulletin involves checking for excessive cylinder leakage and replacing the cylinder head if necessary. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the Technician may find that any the following Diagnostic Trouble Codes have been set: P0300- Multiple Cylinder Misfire P0302- Cylinder…
• 10139897Dec 15, 2014Engine cooling. MIL Illumination: P0300, P0302, P0304 or P0306 (X56 Warranty Extension) This bulletin involves checking for excessive cylinder leakage and replacing the cylinder head if necessary. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the Technician may find that any the following Diagnostic Trouble Codes have been set: P0300- Multiple Cylinder Misfire P0302- Cylinder…
• 10229986Dec 6, 2014Body and structure. Cowl Trim Panel Fastener Water Leak
• 10229881Dec 4, 2014Electrical system, Transmission and drivetrain. Flash: J8 Mining Vehicle Speed Limiting This bulletin involves selectively erasing and reprogramming the Powertrain Control Module (PCM) with new software. A small number of J8 Vehicles built as over-the-road units for non-reg BUX markets and sold to US-based mining operations with the intent of re-programming the diesel PCM to limit vehicle-speed in the mining environment. The discretion of which mining flash is…
• 10221049Dec 4, 2014Fuel system, Electrical system. Flash: J8 Mining Vehicle Speed Limiting This bulletin involves selectively erasing and reprogramming the Powertrain Control Module (PCM) with new software. A small number of J8 Vehicles built as over-the-road units for non-reg BUX markets and sold to US-based mining operations with the intent of re-programming the diesel PCM to limit vehicle-speed in the mining environment. The discretion of which mining flash is…
• 10139879Dec 4, 2014Transmission and drivetrain. Flash: J8 Mining Vehicle Speed Limiting This bulletin involves selectively erasing and reprogramming the Powertrain Control Module (PCM) with new software. A small number of J8 Vehicles built as over-the-road units for non-reg BUX markets and sold to US-based mining operations with the intent of re-programming the diesel PCM to limit vehicle-speed in the mining environment. The discretion of which mining flash is…
• 10063700Dec 4, 2014Electrical system. Summary to be provided on a future date.
• 10229879Dec 2, 2014Visibility (wipers, defrost, mirrors). Loss Of Power Heated Mirror Function - Recall P61 Interim Repair This bulletin involves removing the M35 fuse.
• 10221047Dec 2, 2014Transmission and drivetrain, Visibility (wipers, defrost, mirrors). Loss Of Power Heated Mirror Function - Recall P61 Interim Repair This bulletin involves removing the M35 fuse.
• 10139877Dec 2, 2014Visibility (wipers, defrost, mirrors). Loss Of Power Heated Mirror Function - Recall P61 Interim Repair This bulletin involves removing the M35 fuse.
• 10232025Nov 8, 2014Body and structure. Cowl Trim Panel Fastener Water Leak
• 10218192Nov 8, 2014Body and structure. Cowl Trim Panel Fastener Water Leak This bulletin involves modifying or replacing the cowl trim panel fasteners to correct a water leak condition. The customer may describe a water accumulation condition on the vehicle floor front foot well area.
• 10139725Nov 8, 2014Visibility (wipers, defrost, mirrors). Cowl Trim Panel Fastener Water Leak This bulletin involves modifying or replacing the cowl trim panel fasteners to correct a water leak condition. The customer may describe a water accumulation condition on the vehicle floor front foot well area.
• 10064497Nov 8, 2014Body and structure. Summary to be provided on a future date.
• 10229955Oct 28, 2014Electrical system. MIL Illumination, P0830 Clutch Pedal Switch ?A? Circuit
• 10139807Oct 28, 2014Transmission and drivetrain. Flash: MIL Illumination, P0830 Clutch Pedal Switch ?A? Circuit This bulletin involves reprogramming the Powertrain Control Module (PCM) with new software. The customer may experience an unwanted cruise control cancelation. Upon further investigation the technician may find P0830 - Clutch Pedal Switch ?A? Circuit.
• 10063754Oct 28, 2014Electrical system. Summary to be provided on a future date.
• 10229970Oct 23, 2014Body and structure. Tailgate Retaining Strap Over Extends And Breaks
• 10229936Oct 23, 2014Equipment. RBZ Or RHB Radio Software Enhancements
• 10139801Oct 23, 2014Body and structure. Tailgate Retaining Strap Over Extends And Breaks This bulletin involves painting and replacing both tailgate hinges and replacing the tailgate retaining strap. If damaged, it may also be necessary to replace the tailgate hinge covers and/or right side tail lamp as required. The tailgate retaining strap is damaged due to the tailgate hinge over extending. The retaining strap typically breaks at the body side of the…
• 10139800Oct 23, 2014Equipment. RBZ Or RHB Radio Software Enhancements This bulletin involves upgrading the software on the RBZ or RHB Radio. The customer may experience one or more of the following. When changing the language on the radio, the navigation may still display English. Help prevent navigation lockup. Ghost image of the vehicle?s brand logo on the display screen. Digital photos loaded onto the hard drive intermittently get lost…
• 10064465Oct 23, 2014Body and structure. Summary to be provided on a future date.
• 10229966Oct 22, 2014Transmission and drivetrain. MIL Illumination For P0730 And Transmission Shift Enhancements
• 10139799Oct 22, 2014Transmission and drivetrain, Fuel system, Electrical system, Exterior lighting. FLASH: MIL Illumination For P0730 And Transmission Shift Enhancements This bulletin involves selectively erasing and reprogramming the Transmission Control Module (TCM) with new software. A small number of customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation, the technician may find that Diagnostic Trouble Code (DTC) P0730 Incorrect Gear Ratio is setting erroneously.
• 10063729Oct 22, 2014Electrical system. Summary to be provided on a future date.
• 10229980Oct 4, 2014Visibility (wipers, defrost, mirrors). HVAC System Improvements
• 10139774Oct 4, 2014Equipment. Flash: HVAC System Improvements This bulletin involves updating the HVAC control module with new software. The customer may notice that the blower motor speed may slow down at times. This condition will only happen at mid to high ambient temperatures, 75F (24C) or higher. Also the A/C request may be locked on after a remote start. Only after the vehicle is turned off and restarted, will the customer be able to turn…
• 10064527Oct 4, 2014Electrical system. Summary to be provided on a future date.
• 10229945Oct 3, 2014Engine cooling. MIL Illumination: P0300, P0302, P0304 or P0306 (X56 Warranty Extension)
• 10139771Oct 3, 2014Engine cooling, Fuel system. MIL Illumination: P0300, P0302, P0304 or P0306 (X56 Warranty Extension) This bulletin involves checking for excessive cylinder leakage and replacing the cylinder head if necessary. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the Technician may find that any the following Diagnostic Trouble Codes have been set: ? P0300- Multiple Cylinder Misfire ? P0302…
• 10062950Oct 3, 2014Engine. Summary to be provided on a future date.
• 10229935Oct 1, 2014Equipment. RBZ Or RHB Radio Software Enhancements
• 10139767Oct 1, 2014Equipment. RBZ Or RHB Radio Software Enhancements This bulletin involves upgrading the software on the RBZ or RHB Radio. The customer may experience one or more of the following. ? When changing the language on the radio, the navigation may still display English. ? Help prevent navigation lockup. ? Ghost image of the vehicle?s brand logo on the display screen. ? Digital photos loaded onto the hard drive intermittently get…
• 10220993Sep 10, 2014Equipment, Electrical system. RHR Radio Issue Description: Issue 1: While performing RHR radio reflash (software update), on rare occasions, the flash can fail to properly update the radio resulting in the radio running in Emergency IFS mode. This error condition can occur due to interrupting the software update, background radio operations interfering with the reflash process, etc.
• 10139594Sep 10, 2014Transmission and drivetrain, Back-over prevention (rear camera), Fuel system…. Part Description: RHR Radio Issue Description: Issue 1: While performing RHR radio reflash (software update), on rare occasions, the flash can fail to properly update the radio resulting in the radio running in Emergency IFS mode. This error condition can occur due to interrupting the software update, background radio operations interfering with the reflash process, etc.
• 10221001Sep 5, 2014Body and structure. Tailgate Retaining Strap Over Extends And Breaks This bulletin involves painting and replacing both tailgate hinges and replacing the tailgate retaining strap. If damaged, it may also be necessary to replace the tailgate hinge covers and/or right side tail lamp as required. The tailgate retaining strap is damaged due to the tailgate hinge over extending. The retaining strap typically breaks at the body side of the…
• 10139602Sep 5, 2014Body and structure. Tailgate Retaining Strap Over Extends And Breaks This bulletin involves painting and replacing both tailgate hinges and replacing the tailgate retaining strap. If damaged, it may also be necessary to replace the tailgate hinge covers and/or right side tail lamp as required. The tailgate retaining strap is damaged due to the tailgate hinge over extending. The retaining strap typically breaks at the body side of the…
• 10064466Sep 5, 2014Body and structure. Summary to be provided on a future date.
• 10217693Jul 23, 2014Equipment, Body and structure. Soft Top Door Rail Service Kits Use this soft top door frame rail kit for worn foam or a water leak: 1) For 2010 - 2014 units, remove the old foam part, clean rail of any residue, alcohol wipe the surface, apply promoter (if available), and apply new foam part.~ 2) For 2007 - 2009 units, cut off 8.0 mm from the end that faces the windshield, remove the old foam part, clean rail of any residue, alcohol wipe the…
• 10141208Jul 23, 2014Body and structure. Soft Top Door Rail Service Kits Use this soft top door frame rail kit for worn foam or a water leak: 1) For 2010 - 2014 units, remove the old foam part, clean rail of any residue, alcohol wipe the surface, apply promoter (if available), and apply new foam part.~ 2) For 2007 - 2009 units, cut off 8.0 mm from the end that faces the windshield, remove the old foam part, clean rail of any residue, alcohol wipe the…
• 10217714Jul 19, 2014Electrical system, Equipment. Clock In The Radio Loses Time This bulletin involves replacing the Wireless Control Module (WCM)/Sentry Key Remote Entry Module (SKREEM). Customer may experience a condition where the clock will lose over one minute a month.
• 10141229Jul 19, 2014Electrical system. Clock In The Radio Loses Time This bulletin involves replacing the Wireless Control Module (WCM)/Sentry Key Remote Entry Module (SKREEM). Customer may experience a condition where the clock will lose over one minute a month.
• 10062692Jul 19, 2014Electrical system. Summary to be provided on a future date.

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