Chevy car diagnostic codes list
Chevy car diagnostic codes list. When the scanner finishes booting up, look for a menu. Call us at 1-859-737-4966 with any questions you may have about your diesel. Mercury Trouble Codes. See our manual for 1988-98 Chevy and GMC C/K 1500/2500/3500 Trucks, Blazer, Tahoe, Suburban, and Yukon On-Board Diagnostic System and Trouble Codes at Haynes. Popular Chevrolet Cruze fault codes along with an explanation of their meanings. Description. code 15 =1 flash followed by 5 flashes =>coolant sensor. NOTE: A model specific code list like those below will be the most accurate source for manufacturer specific OBD / OBD2 codes of Mar 21, 2024 · How to Read OBD1 Codes at Home. All 1996 and newer vehicles (cars and light trucks) sold in the United States are OBD2 compliant. OBD-II DTC Codes - P0Axx, P0Bxx, P0Cxx Hybrid Trouble Codes. Remember that these are only general guidelines, and you should make a diagnosis before replacing any parts. Mass Air Flow or Volume Air Flow Circuit Malfunction. Depending on your scanner and year of the vehicle you may be presented with a few systems such as Engine/Powertrain, Transmission, Airbag, Brakes etc. GM cars and light trucks use SAE J1850 VPW (Variable Pulse Width Modulation). C8 Corvette. The Code Reader is designed to work on all OBD2 compliant vehicles. If a vehicle’s manufacture date is 1996 or newer, it will most likely be OBD-II compliant. P0001. Shift solenoid repair or replacement. U2xxx – Manufacturer-specific. PDF of all Chevy Codes. Explore our list of common codes, their meanings, and expert tips for diagnosis and repair. This includes all Domestic, Asian and European vehicles. P1220 Audi). The scanner will retrieve and display the check engine light codes associated with your Chevrolet vehicle. OBD-II. Kia Trouble Codes. P2400 through P2499. 2010 Chevy Traverse P0420 code I have a 2010 Chevy Traverse with approx. In general, a diagnostic fee at a dealership will cost around $100 before taxes but can range as far as $50 to $500 depending on the brand, location, type of car, and significance of the problem. Here’s a list of common codes and their meaning: P0101: Mass Air Flow (MAF) circuit or sensor fault. Engine codes P0300 P0128 P0449 P0601 on 2006 Chevy Trailblazer on my 2006 Chevy Trailblazer i have multiple engine codes after replacing the alternator. B0029 Chevrolet 13,775 Views. This character indicates the system associated with the fault. Mar 14, 2023 · Fuel injectors are broken. No fault. The scan tool will power up as soon as it has been plugged in. 31 - Camshaft position sensor fault. A “2” indicates fuel or air metering injection system issues, while an “3” signals ignition-related issues. code 21 = 2 flashes followed by 1 flash =>throttle position sensor. Wiring, engine coolant fan clutch, engine coolant fan speed sensor. Possible resolutions include: TCM replacement. Search OBDII Codes. It indicates a problem with the fuel level sensor circuit system. code 22 = 2 flashes followed by 2 flashes=> throttle position sensor. P0130: O2 sensor (oxygen sensor) circuit malfunction (Bank 1, Sensor 1) Feb 1, 2013 · Many scan tools can also display Pending Trouble Codes. Such codes indicate a problem with the car’s communication system, U1xxx – Manufacturer-specific. Select “Codes” or “Trouble Codes” to open the main Codes menu. 2 Best OBD2 software: Comparison chart. Oct 24, 2022 · Step 4: Find OBD codes in the menu. 1. It is the PCM that controls and monitors the Nov 27, 2019 · Standard diagnostic trouble codes list. For best results, please look up your Kia model if available in our OBD2 model table on this page. The P0700 code can also be seen if the fluid is low or the transmission is failing. Inspect for damaged or disconnected hoses around the Evap purge solenoid. This character will help you determine which of the four main car’s parts is at fault. Possible Solutions. Dec 19, 2012 · Diagnostic codes. 8 EngineCheck. Let’s go into more depth and learn exactly what does the code P0302 mean? The first thing to understand is that the code indicates that the number two cylinder is the one that is failing to fire specifically. Diagnostic trouble codes as well as computer check engine light codes for Ford vehicles. This set deals with problems in the evaporative emission (EVAP) system that collects evaporated fuel from the fuel tank so that it is rerouted to the engine and does not escape into the atmosphere. P0200 - P0299 P1200 - P1299. 3 TOAD Pro – Best elm327 OBD2 software. P0169 Incorrect Fuel Composition. Here are some things to try: Remove and reinstall the gas cap, clear the code, and drive for a day and see if the codes come back. The OBD1 code list serves as a reference Understanding OBD 2 codes is essential to assess your vehicle’s condition accurately. 2. P1501. Diagnostic Codes. Despite the amount of diagnostic trouble codes, some vehicle problems are seen more often than others, causing certain ECU fault codes to be more common. The car will then enter the diagnostic mode and flash the “ check engine Light ” several times, and we should count the flashes to figure out the diagnostic codes. B0018 Chevrolet 8,402 Views. Percentage. It optimizes power output and efficiency The diagnostic codes that are required by law on all OBD II systems are standardized and all vehicle manufacturers use the same common code list. P0102. The P0300-P0310 range can often cause the check engine light to flash. Code 04 Air conditioner did not turn on Turn the air conditioner off and on again B0028 Chevrolet 2,572 Views. Trying to figure out why I get the code and what I need to look before I go and spen Jun 2, 2019 · Mode $06 data is information the OBD2 system tracks and compiles on “noncontinuous” monitors. There are four different types of OBD-II codes – P, B, C, and U. it has a 4. Mack Trouble Codes. P1500 – P1599 (Vehicle or idle speed control) P1500. One code for example, might be “P0806”. Bank one is the side of the engine containing cylinder one. Next, navigate to the Codes menu on your OBD scanner. Oct 24, 2013 · A few years ago I came across this GM website which allows the user to research GM Diagnostic Trouble Codes (DTC) for 1995 thru 2012 model year engines and transmissions. It is the numeric digit zero (“0”). Electronics improve safety and comfort, reduce consumption and pollution in cars, but also complicate troubleshooting. Replace the engine air filter. Aug 1, 2022 · The P0171 and P0174 codes indicate an issue with the fuel system. Mass airflow sensor is dirty or broken. ”. Ground terminals A and B (see diagram below) with the ignition "ON" and engine not running. GM cars and light trucks use SAE J1850 Chevrolet OBD / OBD2 Codes. Select the option to “Read Codes. It indicates engine emissions idle control system malfunction. 2019 Chevrolet Equinox Owner’s Manual Download Oct 20, 2023 · P0420 – Catalyst System Efficiency Below Threshold: This code suggests a problem with the catalytic converter, often due to issues with the exhaust system or a failing converter. Trouble Code. These codes are structured as a series of letters and numbers, with each character serving a specific purpose: First character (P, C, B, or U). Common Diagnostic Trouble codes. Lexus Trouble Codes. If the fault repeats under similar driving conditions, it will usually cause the Pending Code to become a Stored Code and turn on the MIL light. The P stands for powertrain (engine and transmission) systems, B for body, C for chassis, and U for network and wiring systems Jun 7, 2016 · The connector is a female 16-pin connector that is trapezoidal in shape. Your car is running too lean, and is receiving too much air instead of fuel. If you're unsure where to find code information, we highly recommend you just use the search feature instead to get help! The OBD-II DTC codes here generally apply to all OBD-II GM vehicles from 1996 and newer: GMC, Chevrolet, Buick, Cadillac, and former brands Oldsmobile, Pontiac, and Saturn. The vehicle’s electronic system performs self-diagnosis and reporting. Categories: OBD Codes. Therefore, it is absolutely important to have an efficient diagnostic tool to quickly identify the origin and cause of vehicle breakdowns. Chevrolet. Replace fuel injectors. Oxygen sensor heater circuit malfunction (post-converter sensor, right bank) P0171. If you dont have acess to a OBD-II scanner to check your "check engine light" most of your local auto parts will scan your system for FREE. Transmission Control System Malfunction. To get the codes from your car, plug in the diagnostic connector. Description, Diagnostic and Repair Information for Chevrolet OBD2-OBDII Engine Codes | Page 1 | Engine-Codes. P0128. Oxygen sensor circuit - no activity detected (post-converter sensor, right bank) P0161. P1119 ECT Signal Out Of Rage With TFT Sensor. P0A01 Range/Performance. code 14 =1 flash followed by 4 flashes =>coolant sensor. P1120 Throttle Position (TP) Sensor 1 Circuit. Fuel volume regulator control -circuit range/performance. Driver Seat Belt Retractor Pretensioner Deployment Loop. At Thoroughbred Diesel we are a real diesel performance and repair shop that offers free advice. The cost is hard to avoid if you want to know what may be wrong Sep 11, 2021 · CorvetteForum - Chevrolet Corvette Forum Discussion. There may be slight changes depending on the year/model of vehicle, you would need to consult a factory service manual for specifics. P0300 is vaguer than other misfire codes and doesn’t provide any insight on which one of the cylinders might have experienced the issue. How to read the OBD1 codes: B0015 Chevrolet 📷 29,100 Views. We are a authorized Cummins dealer, call us for diesel parts: OBD-II Check Engine Light Apr 30, 2024 · We’ve gone ahead and prepped some essential questions to ask when buying a used car. 27 - Quad-driver module (computer) 2nd gear circuit. The reading method without a diagnostic tool is to short the circuit of pin A and pin B. 26 - Quad-driver module (computer) circuit #1 fault. For OBD information for all GM vehicles please see our GM OBD / OBD2 page. B0016 Chevrolet 13,420 Views. Symptoms of P0171 and P0174 can range from a hesitant engine to disconnected hoses. P0100. System too lean, left bank. Mar 21, 2024 · Certain car models are known to have a problem with this diagnostic trouble code. Accessing GM OBD1 Trouble Codes. Case 1: If your code is manufacturer-specific (P1xxx, C1xxx, B1xxx, U1xxx), the search term should include the code and your car brand, (e. This signal is used by the ECM to determine the best fuel injector timing. Wiring, regulator control solenoid. The P1e00 Chevy Volt is a hybrid powertrain control module requested by the MIL (manufacturer's information label) to be illuminated. P0A04 Motor Electronics Coolant Temperature Sensor Circuit Intermittent. The next four digits are all numbers. The light flashes to grab the drivers attention. P0101. 1 of 615 Next. Any time the system detects a problem, it records that problem as a code. Fuel volume regulator control -circuit open. U0100 – Lost Communication with ECM/PCM “A”: This code points to a communication problem between various control modules in your vehicle. C = Chassis. Passenger Side Deployment Loop Resistance Low. Step 3: Read the codes in the computer. OBD 2 Code List. Each DTC consists of one letter and four digits, such as B0605, and corresponds to a specific error/fault. Jul 20, 2022 · An OBD-II system car diagnostic codes ‘list’ is a collection of the most common fault codes, listed alphabetically and by manufacturer. The scan tool’s male end will only fit one way onto the vehicle’s connector. For a complete list please see our Kia OBD2 codes list page. Valve body replacement. 6 OBD Auto Doctor – Best free OBD2 sofware. That code is known as a (DTC) diagnostic trouble code. 3 l v-6. 1%. 4 FORScan – Best OBD2 software for Ford, Lincoln, Mazda, and Mercury. It is the PCM that controls and monitors the Dec 1, 2015 · You must also consider the fact that the trouble code stored in your car’s computer might have nothing whatsoever to do with the actual problem. In flat, V, and other non-inline engines, the cylinders are split into banks. To put it simply, this code means that one of the cylinders in your vehicle misfired and that the misfire was detected and reported by your car’s computer. B0516 Speedometer Signal Circuit Malfunction B0521 Tachometer Signal Circuit Malfunction B1512 DIC Switch 1 Signal Short to GND "FUEL" B1517 DIC Switch 2 Signal Short to GND "GAGES" B1522 DIC Switch 3 Signal Short to GND "TRIP" B1527 DIC Switch 4 Signal Short to GND "OPTIONS" B1532 DIC Switch 5 Signal Short to Codes P0440, P0442, P0446, and P0455. 3. Since questions about trouble codes frequently come up, I thought others may find this useful 2005 Lincoln Town Car Multiple Codes P0102 P0174 P0351 P0352 P0353 P0354 P2106 P2195 P0183 P0194 2005 Lincoln Town Car 4. P = Powertrain. Apr 7, 2024 · In order to find out what the icons on the dashboard of the Chevrolet Equinox 2018-2022 mean, find the desired section in the Owner’s Manual. If you use these codes in conjunction with the symptoms, you might be able to diagnose the issues faster. For an OBD2 code list, please see our GM code list or the appropriate generic list. This list has been updated to includes Chevy/GM Duramax diagnostic trouble codes. P0174 System too lean. CCM codes 61-65 indicate that the wrong resistance key was being used during programming. Try the free engine code look up service. Passenger Frontal Deployment Loop Open. Mass Air Flow or Volume Air Flow Circuit Range/Performance problem. Mar 11, 2022 · 25 - Air temp sensor sensor out of range, high. P0440 – This code stems from an EVAP system malfunction. May 15, 2023 · The last digit of a code typically indicates the most critical function present. OBD-II Check Engine Light Trouble Codes for the GM/GMC Duramax below: P0100 Mass Jan 7, 2023 · P0118 –Engine Coolant Temperature Circuit – High Input malfunction. P0110: An intake air temperature sensor circuit malfunction. Replace transmission fluid. 6. 7. A failed coolant temperature sensor is the most common cause of a Code 14 A quick test for the coolant temperature sensor circuit from the ECM would be to unplug the temp sensor and watch the coolant sensor reading on the scan tool while jumping the harness side of the sensor connector. P0016 - Crankshaft Position Camshaft Position Correlation Bank 1 Sensor A. P1118 Engine Coolant Temp Signal Out-Of Range High. If you cannot find your model below and it is newer than 1996, please refer to our list of all Chevy OBD2 codes . P0A03 Motor Electronics Coolant Temperature Sensor Circuit High. It is tabulated in hexadecimal code (a base 16 number system that uses digits 0 to 9 plus letters A through F), which is the computer language that the PCM uses to manage things. About a month and a half ago I replaced the bank 1 converter and the O2 sensors. P0128 –Coolant Temperature Below Thermostat Regulating Temperature. DTC Description B0012 Driver Frontal Deployment Loop Stage 1 B0013 Driver Frontal Deployment Loop Stage 2 B0015 Left Front Seat Belt Pretensioner Deployment Loop B0016 Left Here are some common OBD 2 codes and their meanings: P0300 – Random/Multiple Cylinder Misfire Detected. Turn ignition switch to OFF position; Locate Data Link Connector (DLC), see image below. A flashing check engine light means pull over and tow the vehicle to prevent damage. The P stands for powertrain and refers to the engine, transmission, and any associated accessories. Dec 4, 2023 · 3. C8 Tech/Performance Corvette Technical Info, Internal Engine, External Engine, Tech Topics, Basic Tech, Maintenance, How to Remove & Replace. P1116 ECT Signal Unstable Or Intermittent - Read Our Article on Intermittent Diagnosis For Help With These GM Trouble Codes. Best OBD2 Scanners for 2022 - CNET X Jun 24, 2022 · 5. We then set to work manufacturing a check-engine light (CEL) by unplugging the mass-air-flow sensor. Case 2: If your code is generic (P0xxx, C0xxx, B0xxx, etc. Code 03 Low fluid level in the cooling system Top up to level . The “$” symbol means the data is in hex code, not ordinary Oct 17, 2023 · To test OBD-II scanners, we pulled a 2005 Toyota Corolla into the Car and Driver garage. There are some variations among imports such as the Cadillac Catera, which is a German Opel derivative, the Catera uses the European ISO 9141 protocol. -. With a P0440 OBD-II trouble code, diagnosis can be tricky at times. Cooling Fan RPM Signal Malfunction. 5. Right Front/Passenger Side Deployment Loop Open. codes are P-0030, P-0128, P-0135, P-0449, and P-0601. Get insights into your vehicle’s health by understanding OBD 2 codes. Here is a list of the most common causes by car brands. 60-IPC - Instrument Panel Cluster. P1484. Learn More Fixes. g. Find the menu. A scanner that uses this diagnostic port can read the codes from the ECU. P0000 – P0099 (Fuel and air metering and auxiliary emission control) P0000. Coolant Thermostat. More specifically, a leak. Lincoln Trouble Codes. P0100 - P0199 P1100 - P1199. Finally, the “B” camshaft is the exhaust Sep 14, 2017 · More common trouble codes that cause vehicles fail on emissions test and make the Check Engine light coming on can found below. We have found that when CCM codes 41 or 54 display, it has always been an ECM (Engine Control Module) failure. P0420 – Catalyst System Efficiency Below Threshold. SPONSORED LINKS. A “4” indicates auxiliary emissions control issues, while a “5” deals with vehicle speed controls and idle control systems. This module controls the engine, electric motor, and battery pack in the Chevy Volt. Some 1994 and 1995 vehicles are OBD2 compliant. The first character will either be P (powertrain), B (Body-AC/Airbag), C (chassis-ABS) or U (network-CAN/BUS). P1117 Engine Coolant Temp Signal Out-Of-Range Low. Kenworth Trouble Codes. P2900 through P2999. P0030 - Heated Oxygen Sensor (H02S) Heater Control Circuit Bank 1 Sensor 1. If you get a P030_ code with a number other Specifically, P0014 refers to a problem with the camshaft timing. 5l 4 door 163'000k 1989 Irocz 353 turbocharged 5 speed 3. You will be provided with automotive engine code descriptions, possible causes, possible symptoms, how the code is detected and more. P3000 through P3499. Code P1345 is set when the correlation between the CKS and the CMS are not within 1 to 2-degrees, or out of sync. Jumper the A&B terminals(a paper clip or a jumper wire work ok) P0700. 7 AutoEnginuity. Find out what you can do next to solve the problem you are experiencing. Aug 13, 2020 · 2006 Malibu ls 3. B0019 Chevrolet 📷 19,277 Most common OBD-II trouble codes. Apr 4, 2008 · Problems/Service/Repairs - List of Diagnostic Trouble Codes for 2008-2010 HHR - List of B & C trouble codes for anyone wondering what they mean. P2800 through P2899. The first digit is a letter corresponding to the main system causing the trouble code: B = Body. I got a PO420 code. Starter Signal Circuit. Cleared the code and the light has not come back on. 150000 miles on it. Learn what the P2181 code means on your code scanner and how to fix it. B0019 Chevrolet 📷 19,277 P2300 through P2399. Common ECU Fault Codes. Oxygen sensor circuit, high voltage (post-converter sensor, right bank) P0160. Passenger Frontal Deployment Loop Voltage Out of Range. C8 Tech/Performance. 6L engine having Coil On Plug (COP) ignition I'm getting misfire codes on the entire right (passenger) bank. U0xxx – Generic. Fuel injectors: $1500-$1900. 5 TouchScan – Simple-to-use OBD2 software. ), you don’t have to include the car Jan 21, 2011 · CCM code 51 (invalid key detection) would point to an ignition key resistor pellet that is dirty or damaged. Turn on the ignition without starting the engine. The system will enter the diagnostic mode. Trying to figure out why I get the code and what I need to look before I go and spen Explanation of Codes. The last two digits in the ECU fault code tell the exact problem that your car is experiencing. Air filter $50-70. com. Left Roof Rail Deployment Loop Stage 1. Once Oct 28, 2022 · Car codes can be confusing, so here are the best OBD2 scanners for reading, analyzing and clearing diagnostic trouble codes on your own. P0401 Exhaust gas recirculation "A" flow insufficient detected. The U stands for network & vehicle integration, which refers to the onboard computer systems. For instance, a trouble code with a sensor might not mean that the sensor has failed, but that the wiring harness has been damaged (in this case, replacing the sensor would be a complete waste of PDF of all Chevy Codes. If the TCM does not communicate with a TCM compatible scan tool, the TCM may be faulty and need to Nov 20, 2008 · Below is a full list of GM OBD-II Diagnostic Trouble Codes. P2500 through P2599. 8%. B0015 Chevrolet 📷 29,100 Views. P0128 Coolant thermostat (coolant temperature below thermostat) P0171 System too lean. P0A02 Motor Electronics Coolant Temperature Sensor Circuit Low. U = Network. P0A00 Motor Electronics Coolant Temperature Sensor Circuit. How to read the codes. The codes here are generally apply to all OBD-II GM vehicles: GMC, Chevrolet, Buick, Oldsmobile, Cadillac, Pontiac Enter your vehicle’s make and the diagnostic trouble code shown on your diagnostic tool to find out manufacturer specific information about the code being displayed. In order to access this valuable data, you need to get a diagnostic tool, also called OBD 2, named after the connector on your Chevrolet Equinox that you will need to connect to. B0017 Chevrolet 15,123 Views. Jul 18, 2022 · To read your Chevrolet vehicle’s trouble codes, you need to have an OBDII scanner. Oct 29, 2023 · Network Communication Codes. The connector is located beneath the steering wheel and may have a black plastic cover. 32 - EGR circuit fault. The following ECU fault codes are triggered by commonly seen vehicle Dec 15, 2023 · A diagnostic trouble code indicates an issue in the Chevy Volt's hybrid power system. 29 - Quad driver module (computer) 4th gear circuit. Secondly, the engine cylinders are controlled by the powertrain control module, or PCM. Oxygen (O2) Sensor Slow Response Bank 1, Sensor 1. In this second section, we’ll focus on exactly what brings you here, which is how to read a trouble code on a Chevrolet Equinox. 84-96. This means the misfire code P0300 represents the same failure on a GM/GMC Duramax, Ford Powerstroke, or Dodge Cummins. Inspect the EVAP system for cuts/holes in tubes/hoses. #2. If you'd like to receive ASE-certified fix advices for your diagnostic trouble code, we encourage you to explore our OBD2 scanners. With this code, the camshaft timing has exceeded a threshold, also known as being over-advanced. P0002. Apr 7, 2019 · What you get is a five-digit alpha-numeric code such as “P0304”. Code 02 Can’t read code from key fob Need to re-depress the clutch . Many scan tools can also display Freeze Frame data. If you experience a P0420 code in your Chevy, it is often due to an exhaust leak P0163 O2 Circuit Low Voltage (Bank 2, Sensor 3) P0164 O2 Circuit High Voltage (Bank 2, Sensor 3) P0165 O2 Circuit Slow Response (Bank 2, Sensor 3) P0166 O2 Circuit No Activity Detected (Bank 2, Sensor 3) P0167 O2 Heater Circuit (Bank 2, Sensor 3) P0168 Engine Fuel Temperature Too High. Replacing faulty wiring. Step 2: Plug your OBD scan tool into the connector. P0120: Throttle pedal position sensor or switch A circuit malfunction. 28 - Quad-driver module (computer) circuit #2 fault. These are codes that indicate a fault has been detected, but that the fault has not yet repeated. SEARCH TROUBLE CODES. Mazda Trouble Codes. These codes are serious and could allow raw fuel to pool up in the catalytic converter. Fuel pressure and air/fuel ratio problems can also be the cause. P0172. 1984: code 13 =1 flash followed by 3 flashes =>oxygen sensor. Dec 25, 2023 · An OBD1 code list refers to a comprehensive compilation of diagnostic trouble codes (DTCs) used in vehicles equipped with On-Board Diagnostics 1 technology. Each scanner is different, but typically, it will be called Codes or Trouble Codes. 73 gears Apr 29, 2020 · A Diagnostic Trouble Code (DTC) is a systematic coding structure used by a Corvette to signal that an issue has occurred. This indicates a misfire in one or more cylinders, like you’d see for fouled spark plugs. Mercedes Trouble Codes. These codes are generated by the vehicle’s computer system to indicate specific issues or malfunctions within various components of the vehicle. The camshaft sensor (CMS) signals the ECM the position of the camshaft lobes relative to the valves opening on each cylinder. P2700 through P2799. DTCs come in a string of five characters. Land Rover Trouble Codes. This suggests an issue with the catalytic converter. Follow the instructions specific to your OBD-II scanner to access the diagnostic menu. In this mode, the computer will display a Code 12, three consecutive times, by flashing the "CHECK ENGINE", "SERVICE ENGINE SOON" or "MALFUNCTION INDICATOR LAMP" or light. . Second character (0-9). Engine cranking, then with the engine running, the PCM detected that it did not receive a Starter signal at terminal C1 -11. There is never a letter “O” in the OBDII diagnostic code. P0300 Random/multiple cylinder misfire detected. In many cases, you NOTE: 96 & later are OBD2 systems and require a scanner. Engine air filter is very dirty. 4. P2600 through P2699. could there be a common problem for all of these codes? i also replaced the battery if that helpsthanks in advance In some car brands, there are dozens of calculators reading sensor data. The entire list of codes minus pending duplicates): ----- PO102 problem with the Mass Air Flow (MAF) sensor or circuit. Code 01 Oil change required Change oil . You can also search P1220 but then you have to choose the right results from the list found. System too rich, left bank. xo dj rh cu pj lh hw fm ld xh