Jeep Error Code
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use today. OBD is an electronic system designed to control engine functions and diagnose engine problems or component failures, as well as minimize emissions. OBD-II, a new standard introduced in cars built after January 1,
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1996, provides almost complete engine control and also monitors parts of the chassis, body jeep grand cherokee check engine light and accessory components, as well as the diagnostic control network of the vehicle. OBD-II equipped vehicles have a connector located in jeep liberty codes the passenger compartment, usually accessible from the driver's seat (under the dash above the hood release lever in the Grand Cherokee WJ). A cable is plugged into the OBD-II connector and connected to a scanning
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tool. This can range from a simple hand-held meter that provides a coded read-out of the various diagnostic functions, up to a large console computer-based unit costing thousands of dollars. Fault codes usually appear after the "Check Engine" light has come on. The data provided by the OBD-II system can sometimes pinpoint the specific component that has malfunctioned, saving substantial service time and cost. Scanning OBD-II signals can also provide
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important information when purchasing a used vehicle. Recent introductions of less costly scanning devices have allowed home mechanics and small shops accessibility to OBD-II signals to use them for their own testing and repairs. Malfunction Indicator Lamp (MIL) In the Grand Cherokee WJ, the MIL gives an indication to the vehicle operator when the Powertrain Control Module (PCM) has recorded a Diagnostic Trouble Code (DTC) for an On-Board Diagnostics II (OBDII) emissions-related circuit or component malfunction. The MIL is controlled by a transistor on the instrument cluster circuit board based upon cluster programming and electronic messages received by the cluster from the PCM over the Programmable Communications Interface (PCI) data bus. The MIL bulb is completely controlled by the instrument cluster logic circuit, and that logic will only allow this indicator to operate when the instrument cluster receives a battery current input on the fused ignition switch output (run-start) circuit. Therefore, the bulb will always be off when the ignition switch is in any position except On or Start. The bulb only illuminates when it is provided a path to ground by the instrument cluster transistor. The instrument cluster will turn on the MIL for the following reasons: BULB TEST - Each time the ignition switch is turne
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Suspension Jeep Lighting, Lenses & Bulbs Jeep Soft Tops Jeep Steering & Brakes Jeep Tires Jeep Tools Jeep Wheels jeep engine identification numbers Jeep Winches, Recovery & Safety Popular Pages Fall 2016 New & Hot Special Offers Replacement Parts Jeep Build Ups New Owner's Guide Closeouts Shop by Brand Popular Brands AEV Alloy USA http://www.wjjeeps.com/faultcodes.htm ARB Bestop Crown Automotive G2 Axle & Gear JKS Manufacturing J.W. Speaker K&N KC HiLiTES Omix-Ada Poison Spyder Pro Comp Rubicon Express Rugged Ridge Skyjacker Smittybilt Vertically Driven Wet Okole All Brands Shop by Jeep 2007-2017Jeep Wrangler JKShowcase 1997-2006Jeep Wrangler TJShowcase 1987-1995Jeep Wrangler YJShowcase 1945-1986Jeep CJShowcase 2011-2016 Jeep Grand Cherokee WK2 2005-2010 Jeep Grand Cherokee WK 1999-2004 Jeep Grand Cherokee WJ 1993-1998 http://www.quadratec.com/jeep_knowledgebase/article-139.htm Jeep Grand Cherokee ZJ 2014-2016 Jeep Cherokee KL 2008-2012 Jeep Liberty KK 2002-2007 Jeep Liberty KJ 1984-2001 Jeep Cherokee XJ 2015-2016 Jeep Renegade BU 2007-2016 Jeep Patriot MK 2007-2016 Jeep Compass MK 2006-2010 Jeep Commander XK New & Hot Special Offers My Account Request a Catalog 1-800-745-2348 Everything Jeep Home » Knowledge Base Articles » Diagnostic Codes for 2007 to Current Jeep Wrangler JK Diagnostic Codes for 2007 to Current Jeep Wrangler JK A list of easily obtainable codes to diagnose problems in 2007 to current Jeep JK Wranglers.To check a diagnostic code on your JK Wrangler, use this sequence on your ignition. Insert key and turn the ignition On-Off-On-Off then back to the On position - and notice the codes listed in the odometer read-out. Quadratec also offers many different types of programmers and tuners that can help read and clear these codes, as well as providing a host of other fantastic features like calibrating the speedometer following tire or gearing changes, adjusting the vehicle's engine idle to take advantage of accessories like winches, and provide a 'one touch' ability to activate your
BrakesTiresToolsWheelsWinches, Recovery & Safety GearGo 1-800-743-4927 Menu Close Shop by Category Categories Jeep Armor & Protection Jeep Audio & Electronics Jeep Body & Frame Jeep Bumpers, Towing & Racks Jeep Doors Jeep Driveline Jeep Electrical Jeep Engine & Fuel System Jeep http://www.quadratec.com/jeep_knowledgebase/article-24.htm Exhaust Jeep Hardtops Jeep Interior Jeep Lifestyle Jeep Lift Kits & Suspension Jeep Lighting, Lenses & Bulbs Jeep Soft Tops Jeep Steering & Brakes Jeep Tires Jeep Tools Jeep Wheels Jeep Winches, Recovery & Safety Popular Pages Fall 2016 New & Hot Special Offers Replacement Parts Jeep Build Ups New Owner's Guide Closeouts Shop by Brand Popular Brands AEV Alloy USA ARB Bestop check engine Crown Automotive G2 Axle & Gear JKS Manufacturing J.W. Speaker K&N KC HiLiTES Omix-Ada Poison Spyder Pro Comp Rubicon Express Rugged Ridge Skyjacker Smittybilt Vertically Driven Wet Okole All Brands Shop by Jeep 2007-2017Jeep Wrangler JKShowcase 1997-2006Jeep Wrangler TJShowcase 1987-1995Jeep Wrangler YJShowcase 1945-1986Jeep CJShowcase 2011-2016 Jeep Grand Cherokee WK2 2005-2010 Jeep Grand Cherokee WK 1999-2004 Jeep Grand Cherokee WJ 1993-1998 Jeep Grand Cherokee cherokee check engine ZJ 2014-2016 Jeep Cherokee KL 2008-2012 Jeep Liberty KK 2002-2007 Jeep Liberty KJ 1984-2001 Jeep Cherokee XJ 2015-2016 Jeep Renegade BU 2007-2016 Jeep Patriot MK 2007-2016 Jeep Compass MK 2006-2010 Jeep Commander XK New & Hot Special Offers My Account Request a Catalog 1-800-745-2348 Everything Jeep Home » Knowledge Base Articles » Retrieving Jeep DTC OBD Codes Retrieving Jeep DTC OBD Codes A chart showing all OBD I codes for Jeep vehicles.This method is used to retrieve OBD I and OBD II diagnostic trouble codes from your YJ, TJ, XJ, ZJ, and early WJ Jeep models. Insert the key into the ignition Turn the ignition On-Off-On-Off-On within 5 seconds Record the 2-digit DTC as displayed by the flashing MIL I.E. - DTC 24 will be displayed by 2 flashes, short pause, and then 4 more flashes. If more than one code is stored, there will be a longer pause before the next code is displayed. 11 No crank reference signal detected during engine cranking. Intermittent loss of either camshaft or crankshaft position sensor. 12 Positive battery input to PCM was disconnected within the last 50 Key-on c