Insert Ignition Key. Some module may be inaccessible in some years. Radiator Temperature Sensor Volts Too Low. Another issue that the model has suffered from is P0420. An open or shorted condition detected in the A/C clutch relay control circuit. An open or shorted condition detected in the control circuit of the high speed radiator fan control relay. Neither rich or lean condition is detected from the oxygen sensor input. The cost of diagnosing the P2311 Jeep code is 1.0 hour of labor. AN open or shorted condition detected in the transmission 2-3 gear lock-out solenoid control circuit. P0123 2003 Jeep Liberty 19,544 Views. Go the the Jeep OBD2 car scanner Use our search engine below to locate your OBD2 port! No emission related diagnostic trouble codes (DTC's) are present. What scantool are you using. Technical Service Bulletins (TSB) for 2003 Jeep Liberty. An open or shorted condition detected in the cooling fan control solenoid circuit. APPS supply voltage input below the minimum acceptable voltage. The presence of resistance is an indication of a loose connection or possible corrosion. dabincharlotte. If there are no other codes, suspect a vacuum or exhaust leak. A fault has been generated in the companion engine control module. Specific technical data will include troubleshooting charts and the appropriate sequence to follow assisting you with an accurate diagnosis. Throttle Position Sensor 1 Performance. NOTE: A model specific code list like those below will be the most accurate source for manufacturer specific OBD / OBD2 codes of your vehicle. An open or shorted condition detected in the Leak Detection Pump (LDP) solenoid circuit. Heres the three-part definition of P1128 in the Jeep Liberty: When you start your Liberty, there are default factory air/fuel mixture settings that run off tables. If you cannot find your model below and it is newer than 1996, please refer to our list of all Jeep OBD2 codes. If you have an engine with two banks and an oxygen sensor-related trouble code, you can swap the bank one and bank two codes to see if it jumps to the other bank. As a rule of thumb, bank one is on the passenger side of the engine on rear-wheel drive cars and trucks. Typically you will see an engine warning light on your dashboard to inform you that something is wrong, if you plug in an OBD2 reader you can find out the exact cause of that problem. P0171 indicates that your Jeep Liberty is either getting too much air or not enough fuel. (Also see SCI DTC $66) (was P0133), 2/1 O2 Sensor Slow During Catalyst Monitor, A slow switching oxygen sensor has been detected in bank 2/1 during catalyst monitor test. Crankshaft Position Sensor Overspeed Signal. To check your JK Codes, use this sequence on your ignition. Codes will be shown on the Odometer screen. Was MIL code 37. By entering the OBD2 fault code on this website you can find out where the issue is in text form. Replacing the 4WD switch or transfer case when defective wiring is causing this code to be set by the PCM or TCM. Owners have reported that changing the ignition coil packs and spark plugs can be a simple solution to this issue. SEE, I think it's a 15 pin plug and two wires change on the plug fro 95 to. https://www.troublecodes.net/cherokee-2-sl-cherokee-4-0l-comanche-2-sl-comanche-4-0l-grand-cherokee-4-0l-grand-cherokee-s-2l-wrangler-2-sl-wrangler-4-0l, https://www.paypal.com/donate/?cmd=_s-xclick&hosted_button_id=XEATGPJ734CXQ, https://play.google.com/store/apps/details?id=org.prowl.torquefree&hl=en_US&gl=US, https://www.troublecodes.net/nonsense-codes/, https://www.pjatr.com/t/SENKTklLS01DR0pHSU9JQ0dKRk9LTw, https://www.troublecodes.net/pcodes/p0032/, https://www.troublecodes.net/pcodes/P0132/, https://www.troublecodes.net/p2codes/p2010/, https://www.troublecodes.net/pcodes/p06da/, https://www.troublecodes.net/pcodes/p0743/, https://www.troublecodes.net/pcodes/P0358/, https://www.troublecodes.net/jeepcodes/p1946/, Engine Failed To Start Due To Mechanical, Fuel Or Ignition Conditions, Coolant Sensor & 5 Volt Supply For TP Sensor/MAP Circuits Low, A/C Clutch Circuit High & Power Steering Input. Jeep Guide . Fuel injection pump module relay circuit failure detected. But do you take donations I will donate to you guys. Thats not all. https://www.troublecodes.net/cherokee-2-sl-cherokee-4-0l-comanche-2-sl-comanche-4-0l-grand-cherokee-4-0l-grand-cherokee-s-2l-wrangler-2-sl-wrangler-4-0l. An open or shorted condition detected in the transmission fan relay circuit. If there is an air leak after the MAF sensor, its not being measured as it enters the intake, which increases the air in the air-to-fuel ratio. It is located to the right of the steering wheel on the Liberty. I'll be recommending this app to all my jeep friends! We are an open source collective powered by our users. Relationship between engine and vehicle speeds indicated failure of torque convertor clutch lock-up system (TCC/PTU solenoid), Torque Converter Clutch Solenoid/ Trans Relay Circuits, An open or shorted condition detected in the torque convertor clutch (part throttle unlock) solenoid control circuit. No CCD/J1850 Message From Body Control Module. An open or shorted condition detected in the fuel pump relay control circuit. An open or shorted condition detected in the radiator fan control relay control circuit. An open or shorted condition detected in the transmission 2-4 shift solenoid circuit (4-speed auto. However, it is possible that there is a faulty component in the EVAP system allowing a leak. This article has been viewed 62,228 times. Fuel Injection Pump Controller Calibration Error. If it is malfunctioning, it can cause a false P0171 code. Do I really have to do 40-50 cycles over 500 miles. No calibration voltage present from flex fuel sensor. -Aisin transmission. Please post back here when you get it. Oxygen sensor response slower than minimum required switching frequency. A bad oxygen sensor on the bank 1 side is one of the most common causes of P1128. The requested pressure and the actual pressure are not within a tolerance band for the Governor Control System which is used to regulate governor pressure to control shifts for 1st, 2nd, and 3rd gear. Did you know that you don't need an Scanner Tool to read OBDII codes in a Jeep? Jeep Liberty P1128: Meaning, Causes, + Likely Fix. P1946 Fire Prevention System Crash Event Detected (Jeep) https://www.troublecodes.net/jeepcodes/p1946/. Description is visible. No communication detected between co-processors in the control module. With P0171, theres possibly not enough gas entering the combustion chambers. Module screen, read module DTC, access live data, activate module tests, and full detailed info of selected module. An exhaust leak will change the amount of oxygen the B1S1 O2 sensor picks up. Quantity Add to Cart. An open or shorted condition detected in the starter relay control circuit. You can learn more here. Find a Blue Seal Recognized Shop near you and click on automotive peace of mind. (See also P01475), Sensor supply voltage for ECM sensors is too high. For most people, the first sign that anything is wrong is the check engine light. VIN data and vehicle selection. The P0171 code is thrown when the bank one sensor one O2 sensor reports that your Libertys engine is running lean. Your email address will not be published. Skip to content. It varies, but the most common repairs are usually under $200. 2003 Jeep Liberty OBDII Codes List. After 1995, every manufacturer went to ODB-II, you need to use a scanner. Thats the simplest way to pull your code. trans. 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. It is not intended as repair advice and we are not responsible for any actions Jeep warning lights & trouble codes explained. Lab testing, laboratory and office locations around the world. EGR position sensor signal does not correlate to EGR duty cycle. Buy your own lab tests online, anytime at questhealth.com. The ideal air/fuel ratio is 14.7:1 (14.7 parts air to one part fuel). An open or shorted condition detected in the secondary air (air switching/aspirator) solenoid control circuit. . trans. Injector #9 output driver stage does not respond properly to the control signal. Browse Jeep codes by model and year. You can use this guide from aa1car to verify your engine. Circuit shorted to voltage between PCM and fuel gauge sending unit. If theres only one head, you dont need to concern yourself with locating Bank 1. P0171 in the Jeep Liberty is not difficult to repair. Low power, engine derated, or engine stops. 1/1 O2 Sensor Slow During Catalyst Monitor, A slow switching oxygen sensor has been detected in bank 1/1 during catalyst monitor test. Resources for HCPs, including test turnaround time. It indicates that your Jeep Liberty is running lean on the bank one side. Our products and services are used by customers in over 130 countries. (Also see SCI DTC $68) (was P0139), Radiator Temperature Sensor Volts Too High. Injector #10 output driver stage does not respond properly to the control signal. View vehicle settings. I saw in the app that you can turn the backup camera feature on if you have a non-navigation but a full screen and he confirmed the app did just that and it worked perfectly, no issues when I installed my camera. On the other hand, it is difficult to diagnose. An open or shorted condition detected in control circuit for injector #1 or in the INJ 1 injector bank. only). If wikiHow has helped you, please consider a small contribution to support us in helping more readers like you. The Jeep Liberty shares many similarities with its sibling, the Jeep Commander. JScan allows reading standard Diagnostic Trouble Codes (emission related), general Live Data and much more. It is also one of the most common codes. An open or shorted condition detected in the EVAP purge solenoid control circuit. An open or shorted condition detected in the short runner tuning valve circuit. your question in our FREE car repair forums, Loose or defective control module ground strap, Defective fuse or fuse-able link (If applicable), Replacing blown fuse or fuse-able link (if applicable), Repairing or replacing faulty ground straps. An open or shorted condition detected in control circuit for injector #3 or in the INJ 3 injector bank. You may see a cylinder misfire code or fuel injector-specific code with P0171. Purchase compatibile an OBD-II Device. Your vehicles fuel trim system manages the air/fuel ratio and adjusts it when the powertrain control module determines its necessary (it can range anywhere from 12.0:1 for power and 16.0:1 for economy). 5 of 5. Check specific manufacturer pages on the site, as some of them, we list the OBD2 codes on those pages for those specific vehicles. . comes in handy with 2 wranglers 11-17. Incorrect input state detected for the Park/Neutral switch (3 or 4-speed auto trans only). P0171 indicates that your Jeep Liberty is either getting too much air or not enough fuel. View tests. Engine power will be derated. The PCM cant enter closed-loop if its not correctly calculating the airflow. Data link circuit failure between ECM and fuel injection pump. Low power, engine derated, or engine stops. See https://www.troublecodes.net/obd2 Id suggest getting access to another scantool and verifying the code and posting back here. This includes PWM solid state relays. The Manifold Absolute Pressure (MAP) sensor measures the air entering your Libertys engine. CKP sensor voltage input above the maximum acceptable voltage. -Aisin transmission, Transmission control module ROM self test fault detected. RT - 2008 - 2017. Patriot. P0358 Ignition coil H, primary/secondary -circuit malfunction https://www.troublecodes.net/pcodes/P0358/. [1] 3. Install the OBD JScan app on your Android phone and connect to the OBD device on car using Bluetooth or WiFi. (adsbygoogle = window.adsbygoogle || []).push({}); OBD-II trouble code P0837 and related codes P0836, P0838, and P0839 are associated with the four wheel drive (4WD) switch circuit. We have a full article to explain and troubleshoot. 3/10 P0456 Evaporative Emissions System Small Leak Detected Learn More Fixes 9/10 P0300 Random/Multiple Cylinder Misfire Detected Learn More Fixes 7/10 P0420 Catalyst System Efficiency Below Threshold (Bank 1) No difference is recognized between the MAP reading at engine idle and the stored barometric pressure reading. Engine overheating. If you decide to do the repair work yourself, the "check engine" light will remain lit until the OBD-II codes are reset. The lite version is free and pulls codes https://play.google.com/store/apps/details?id=org.prowl.torquefree&hl=en_US&gl=US. THIS INVOLVES REPLACING THE ELECTRONIC THROTTLE BODY AND CLEAN AIR DUCT. CKP sensor voltage input below the minimum acceptable voltage. If you would like to help up add to this page accessible to all, please send us your photos via the app, THE REFERENCE IN AUTOMOTIVE ELECTRONIC DIAGNOSTICS, Lieu dit Kerluherne - 56890 PLESCOP - FRANCE. Diagnose your Jeep anywhere with your phone! Like all vehicles manufactured after 1996, your Jeep Liberty has an on-board diagnostic system (OBD-II). Gov Press Sen Offset Volts Too Lo or High. That is RIDICULOUS, Cheryl. In the case of the Jeep Liberty, it indicates that the engine did not enter closed-loop fueling on the bank 1 side. As data is received from the various engine monitoring sensors (O2, MAP, ECT, etc), the Powertrain Control Module (PCM) uses it to optimize the air/fuel ratio in real-time. Problem detected in clutch switch electrical circuit. To diagnose your vehicle yourself, download our EOBD-Facile car diagnostic software. Still, you dont want to ignore it. wikiHow is a wiki, similar to Wikipedia, which means that many of our articles are co-written by multiple authors. Transmission control module RAM self test fault detected. Flex fuel sensor input above maximum acceptable voltage. MAP sensor input below minimum acceptable voltage. Hopefully, the information in this article has been helpful to point you in the right direction to correct the problem with your 4WD switch circuit fault code. This site uses Akismet to reduce spam. Summary: JEEP: IN COLD CLIMATES A MIL ILLUMINATION P0123 OR P0222 OR STORED DIAGNOSTIC TROUBLE CODE P0123 OR 00222 AND THE ETC LIGHT ILLUMINATED. Accelerator Position Sensor (APPS) Supply Voltage Too Low. Relationship between the transmission temperature and overdrive operation and/or TCC operation indicates a failure of the Transmission Temperature Sensor. This code indicates that there have been multiple random misfires. Symptoms of a P0837 trouble code may include: The first step in the troubleshooting process for any malfunction is to research the Technical Service Bulletins (TSB's) for the specific vehicle by year, model and power plant. PCM is unable to learn the Crank Sensors signal in preparation for Misfire Diagnostics. It is rare that a vehicle breaks down by itself when P0171 is the only code. More. . Both a faulty catalytic converter and upstream exhaust leaks can typically be the cause of this problem. Problem detected in wait-to-start bulb circuit. Clearing codes did nothing. Fuel Injection Pump CKP Sensor Does Not Agree With ECM CKP Sensor. Fantastic. Could somebody please help? When the PCM or TCM detects voltage or resistance that is outside the normal expected value range within the 4WD switch circuit, code P0837 will be set and the check engine light, 4WD malfunction light or both may be illuminated. An open or shorted condition detected in the control circuit of the #2 high speed radiator fan control relay. For OBD information for all Chrysler vehicles please see our Chrysler OBD / OBD2 page. This SBEC III or JTEC DTC indicates that the EATX or Asin controller has an active fault and has illuminated the MIL via a CCD (EATX) or SCI (Aisin) message. You can check to see if your Jeep Liberty has any recall notices on our sister site AutoRecalls.co, sorted by model year. Bank 1 is the side of your Jeep Libertys engine with the first cylinder. Speed control switch input below minimum acceptable voltage. FaultCodes 2023 | FaultCodes.co is not associated with any of the car manufacturers. Thanks again for a great app and even better customer service. If this doesn't work, . Enter it in the box below and hit "Search Codes". A large leak has been detected in the evaporative system. Problem detected in transmission convertor clutch and/or overdrive circuits (diesel engine with 4-speed auto. trans. Jeep Diagnostic Trouble Code (DTC) Definition, Causes and Diagnosis Home Jeep Select Your Jeep's Diagnostic Trouble Code Body Codes B0099 B0119 B0120 B0121 B0122 B0127 B012F B0131 B1001 B100A B1016 B1031 B1032 B1034 B1035 B1036 B1040 B1043 B1044 B1045 B104D B104E B1058 B105B B105C B105D B1063 B106B B106C B106D B1082 B1083 B1084 B1087 B1092 B1094 P0171 is a generic code, meaning it has the same definition for the Jeep Liberty as any other vehicle. Retrieves generic and manufacturer specific Diagnostic Trouble Codes (DTC), features Autel MaxiScan AL301 CAN OBD-II Scan Tool, 3130 Innova Diagnostic Code Scanner with Live Record and Playback Data Capability, OBDII Check Engine Auto Scanner Trouble Code Reader, Actron CP9660 Pocket Scan Plus OBD II and CAN Code Reader (On Screen Code Definitions), 3140 Innova Diagnostic Code Scanner for OBDI OBDII Vehicles, Bluetooth Wireless OBD2 Reader ELM327 Mini, Autel AL619 OBDII CAN Scan Tool w/LCD Color Display, AD310 Classic Enhanced Universal OBDII Scanner Car Engine Fault Code Reader CAN Diagnostic Scan Tool. paired with a icar 2 bluetooth, Awesome app for the price does everything need it to do and then some!! Possible injection pump timing problem. Time to enter Closed Loop Operation (Fuel Control) is excessive. Catalyst Temperature Sensor Circuit Shorted High. Listen for an exhaust leak or vacuum leak within the engine. You will find below several pictures which will help you find your OBD connector in your car. P0136 (M) 1/2 O2 Sensor Heater Circuit Malfunction. You can also type in the fault code you are getting below to find a more detailed description. All content 2004-2023 OBD-Codes.com, post Look at any hoses or sensors that connect to the intake manifold. Oxygen sensor heater element malfunction. OBD II Rationality. If there are other codes, they can help you narrow it down. Other than that, there is a long list of potential causes for this issue. Catalyst 1/1 efficiency below required level. P1128 is a manufacturer-specific troubled code. Excess water found in fuel by water-in-fuel sensor. These procedures require a digital multi meter and the specific technical references for the vehicle. The linked YouTube video is a phenomenal resource on how to find a vacuum leak. Next is to check the connectors and connections for security, corrosion and damaged pins. One bad fuel injector will not make a lean code appear on BOTH sides of the engine, so you can rule those out. Catalyst temperature sensor circuit shorted high. 1. (Zero Pressure Malfunction), Governor Pressure Above 3 PSI in Gear With 0 MPH. OBD JScan was super helpful and was able to quickly solve the license purchase issue I was experiencing. The OBD-II uses various sensors on your vehicle to ensure it is running properly. A bad oxygen sensor is the most likely cause of P1128 in the Jeep Liberty. P0122 2003 Jeep Liberty 20,836 Views. Reverse Gear Lockout circuit Open or Short. One of the most common issues that the Liberty, along with a number of Jeep models, has faced is P0456. Perform a thorough visual inspection to check the associated wiring for obvious defects such as scraping, rubbing, bare wires, or burn spots. (MALFUNCTION INDICATOR LAMP) ILLUMINATION FOR DTC'S (DIAGNOSTIC TROUBLE CODES) P0750, P0755, P0760, P0765, P0846, P0871 OR P0841. Evaporative Emissions System Small Leak Detected, Random/Multiple Cylinder Misfire Detected, Catalyst System Efficiency Below Threshold (Bank 1), Evaporative Emission Control System Leak Detected, Evaporative Emission Control System Incorrect Purge flow, Injector Circuit Malfunction - Cylinder 1, O2 Sensor Circuit Low Voltage (Bank 1 Sensor 2), Heated Oxygen Sensor (HO2S) Heater Circuit High Voltage Bank 1 Sensor 2, Throttle/Pedal Position Sensor/Switch A Circuit Low Input, O2 Sensor Circuit High Voltage (Bank 2 Sensor 2), Idle Control System RPM higher Than Expected, O2 Sensor Circuit High Voltage (Bank 1 Sensor 2), Heated Oxygen Sensor (HO2S) Heater Circuit High Voltage Bank 2 Sensor 2, Throttle/Pedal Position Sensor/Switch A Circuit High Input, O2 Sensor Circuit Slow Response (Bank 2 Sensor 1), Camshaft Position Sensor Circuit Malfunction, Crankshaft Position Sensor A Circuit Intermittent, Hydraulic Pressure Sensor Circuit High Input, Leak Detection Pump Switch or Mechanical Fault, Air/Fuel Ratio Sensor Circuit Range/Performance Malfunction Bank 1 Sensor 1, No Auto Shutdown (ASD) Relay Output Voltage At PCM, Heated Oxygen Sensor (HO2S) Heater Circuit Low Voltage Bank 1 Sensor 1, SCP (J1850) Invalid or Missing Data for Primary Id, Coolant Thermostat (Coolant Temp Below Thermostat Regulating Temperature), Engine Oil Pressure Sensor/Switch Circuit Malfunction, Evaporative Emission Control System Malfunction, Manifold Absolute Pressure/Barometric Pressure Circuit High Input, Camshaft Position Sensor Circuit Intermittent, Catalyst System Efficiency Below Threshold (Bank 2), Intake Camshaft Position Actuator Circuit / Open (Bank 1), Intake Camshaft Position Timing - Over-Advanced (Bank 1), Intake Camshaft Position Timing - Over-Retarded (Bank 1), Exhaust Camshaft Position Actuator Circuit / Open (Bank 1), Exhaust Camshaft Position Timing - Over-Advanced (Bank 1), Crankshaft Position Camshaft Position Correlation Bank 1 Sensor A, Crankshaft Position Camshaft Position Correlation Bank 1 Sensor B, Heated Oxygen Sensor (HO2S) Heater Control Circuit Bank 1 Sensor 2, Mass or Volume Air Flow Circuit Low Voltage Input, Manifold Absolute Pressure/Barometric Pressure Circuit Range/Performance Problem, Intake Air Temperature Circuit High Input, O2 Sensor Circuit Low Voltage (Bank 1 Sensor 1), O2 Sensor Circuit No Activity Detected (Bank 1 Sensor 1), O2 Sensor Heater Circuit Malfunction (Bank 1 Sensor 1). only). Its the most common air/fuel mixture-related code. On front-wheel drive vehicles, itll be on the opposite side when looking at the engine accessories. A defective upstream O2 sensor is probably the most common cause of P1128. Your email address will not be published. Please note that this site has no affiliation with the Chrysler Motor Company. This code indicates that there is a small leak coming from the EVAP system. This relay supplies power to the TCC. Fuel level sensor input below acceptable voltage. Include your email address to get a message when this question is answered. A prolonged lean condition is detected during Wide Open Throttle. 97 it's a, I have a 2007 h3 hummer base model. Jeep OBDII Codes List Browse Jeep codes by model and year Jeep Liberty B0001 Jeep 5,863 Views Driver Frontal Squib 1 Control B0002 Jeep 5,630 Views Driver Frontal Squib 2 Control B0010 Jeep 4,367 Views Passenger Frontal Squib 1 Control B0011 Jeep 3,665 Views Passenger Frontal Squib 2 Control B1000 Jeep 3,352 Views Find a vehicle make rapidly by using the search function in your web browser (CTRL + F) and for more details about the meaning of modes, check out our . Incorrect input state detected in the brake switch circuit. . Internal Fuel Injection Pump Controller Failure. Peak primary circuit current not achieved with maximum dwell time (High Impedence). PS: Alldatadiy has in depth information for specific vehicle repairs here: https://www.pjatr.com/t/SENKTklLS01DR0pHSU9JQ0dKRk9LTw (Thats a 15% discount link on a 1 year subscription which also helps support this website and our ability to stay alive to help you), P0032 Heated oxygen sensor (HO2S) 1, bank 1, heater control -circuit high https://www.troublecodes.net/pcodes/p0032/, P0132 Heated oxygen sensor (HO2S) / oxgen sensor (O2S) 1, bank 1 -high voltage https://www.troublecodes.net/pcodes/P0132/, P2010 Intake manifold air control actuator / solenoid, bank 1 -circuit high https://www.troublecodes.net/p2codes/p2010/. They just don't exist. It is important to specify the engine type as some models like the 3.7 and 4.7 L V8s have some notorious faults. Oxygen sensors measure the exhaust gasses and are vital to the PCMs ability to enter closed-loop operation. cheap and easy :). Compressed natural gas temperature sensor voltage below acceptable voltage. Neither rich or lean condition is detected from the oxygen sensor. No CCD/J1850 messages received from the electronic transmission control module (EATX) or the Aisin transmission controller. only). Problem caused by internal fuel injection pump failure. I have a fault code on my 2005 Jeep Liberty 2,8crd Code 26,03,11,86 check fault manual. If this process identifies the absence of a power source or ground, continuity testing may be required to check the integrity of the wiring, connectors and other components. Catalyst Temperature Sensor Circuit Shorted Low. this is covered in the FSM, read that. We use cookies to make wikiHow great. trans. Problem detected in the clutch switch circuit. You can find common Jeep Liberty fault codes on this page that when clicked take you to a detailed description. trans. The reference voltage and the acceptable ranges may vary based on the specific vehicle and the circuit configuration. Its likely that your Libertys O2 sensors are working fine since they are both reporting the vehicle is running lean. {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/3\/37\/Check-for-Diagnostic-Trouble-Codes-%28DTC%27s%29-on-a-1999-2010-Jeep-Grand-Cherokee-Step-1.jpg\/v4-460px-Check-for-Diagnostic-Trouble-Codes-%28DTC%27s%29-on-a-1999-2010-Jeep-Grand-Cherokee-Step-1.jpg","bigUrl":"\/images\/thumb\/3\/37\/Check-for-Diagnostic-Trouble-Codes-%28DTC%27s%29-on-a-1999-2010-Jeep-Grand-Cherokee-Step-1.jpg\/aid2891699-v4-728px-Check-for-Diagnostic-Trouble-Codes-%28DTC%27s%29-on-a-1999-2010-Jeep-Grand-Cherokee-Step-1.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"