4. If the Powertrain Control Module (PCM) detects the calibrated amount of air flow and engine run time have been met, and the Engine Coolant Temperature (ECT) has not met the minimum thermostat regulating temperature, the code P0128 Mercury will set. A code P0128 may mean that one or more of the following has happened: 1. If you have any doubt as to repairs on your vehicle, please contact your technician. This conclusion is reached based on the intake air temperature sensor reading, the length of time your vehicle has been r… (adsbygoogle = window.adsbygoogle || []).push({}); If cooling system is not leaking and the fluid level is OK, replacing the thermostat usually takes care of the problem. It is a check engine light code which indicates that the catalyst's system efficiency is less than the required threshold. P0128 Mercedes-benz 450 code definition: P0128 is a kind of OBD-II Diagnostic P-Powertrain Diagnostic Trouble Code for Mercedes-benz 450. The intent of the P0128 Mercedes code is to indicate a faulty thermostat. There is a low level of engine coolant. P0128 engine code for Mercedes Benz 230 provides below are generic codes that may not apply to all vehicles. OBDII/EOBD diagnostic code definition. Typically, it’s signaled when your thermostat isn’t reading any temperature or is reading an incorrect temperature. If the above items check out good, replace the thermostat If Nissan vehicle, check for Technical Service Bulletins (TSBs), as the ECM may need to be reprogrammed to correct the P0128 Mercedes code, P0115 Mercedes P0116 Mercedes P0117 Mercedes P0118 Mercedes P0119 Mercedes P0125 Mercedes, 2013 Mercedes-Benz SLS AMG GT,2013 Mercedes-Benz SL65 AMG,2013 Mercedes-Benz SL550,2013 Mercedes-Benz SL500,2013 Mercedes-Benz SL-Class,2013 Mercedes-Benz GLK350 4Matic,2013 Mercedes-Benz GLK-Class,2013 Mercedes-Benz GL63 AMG,2013 Mercedes-Benz GL-Class,2013 Mercedes-Benz G63 AMG 6×6 Concept,2013 Mercedes-Benz G63 AMG,2013 Mercedes-Benz G550,2013 Mercedes-Benz G350 Bluetec,2013 Mercedes-Benz G-Class,2013 Mercedes-Benz E300 BlueTEC Hybrid,2013 Mercedes-Benz Citan,2013 Mercedes-Benz CLS Shooting Brake,2013 Mercedes-Benz A-Class AMG Sport,2013 Mercedes-Benz A-Class,2012 Mercedes-Benz SLS AMG Roadster,2012 Mercedes-Benz SLK55 AMG,2012 Mercedes-Benz SLK350,2012 Mercedes-Benz SLK250 CDI,2012 Mercedes-Benz SLK-Class,2012 Mercedes-Benz ML63 AMG,2012 Mercedes-Benz M-Class,2012 Mercedes-Benz E63 AMG Wagon,2012 Mercedes-Benz E63 AMG,2012 Mercedes-Benz CLS63 AMG,2012 Mercedes-Benz CLS550,2012 Mercedes-Benz CLS350 CDI,2012 Mercedes-Benz CLS-Class,2012 Mercedes-Benz C63 AMG,2012 Mercedes-Benz C-Class,2012 Mercedes-Benz B-Class,2011 Mercedes-Benz Vito,2011 Mercedes-Benz Viano,2011 Mercedes-Benz SLS AMG,2011 Mercedes-Benz S63 AMG,2011 Mercedes-Benz S600 Pullman Guard,2011 Mercedes-Benz R-Class,2011 Mercedes-Benz ML 63 AMG,2011 Mercedes-Benz G-Class,2011 Mercedes-Benz F125 Concept,2011 Mercedes-Benz E550 Cabriolet,2011 Mercedes-Benz E350 Cabriolet,2011 Mercedes-Benz E350 4Matic Wagon,2011 Mercedes-Benz E-Class L,2011 Mercedes-Benz E-Class Cabriolet,2011 Mercedes-Benz CL65 AMG,2011 Mercedes-Benz CL63 AMG,2011 Mercedes-Benz CL500,2011 Mercedes-Benz CL-Class,2011 Mercedes-Benz C-Class DR 520,2011 Mercedes-Benz B55 Concept,2011 Mercedes-Benz A-Class E-CELL,2011 Mercedes-Benz A-Class Concept,2010 Mercedes-Benz S65 AMG,2010 Mercedes-Benz S63 AMG,2010 Mercedes-Benz S400 BlueHYBRID,2010 Mercedes-Benz S-Class,2010 Mercedes-Benz ML450 Hybrid,2010 Mercedes-Benz GLK-Class,2010 Mercedes-Benz GL550,2010 Mercedes-Benz E63 AMG Estate,2010 Mercedes-Benz E63 AMG,2010 Mercedes-Benz E550 Coupe,2010 Mercedes-Benz E550,2010 Mercedes-Benz E350 Coupe,2010 Mercedes-Benz E350,2010 Mercedes-Benz E-Class,2010 Mercedes-Benz Biome Concept,2010 Mercedes-Benz B-Class F-Cell,2009 Mercedes-Benz SL65 AMG,2009 Mercedes-Benz SL63 AMG,2009 Mercedes-Benz SL-Class,2009 Mercedes-Benz ML 63 AMG,2009 Mercedes-Benz M-Class,2009 Mercedes-Benz G55 AMG,2009 Mercedes-Benz G-Class,2009 Mercedes-Benz CLS 63 AMG,2009 Mercedes-Benz CLS 280,2009 Mercedes-Benz CLC,2009 Mercedes-Benz B-Class,2009 Mercedes-Benz A-Class,2008 Mercedes-Benz SL,2008 Mercedes-Benz SLR,2008 Mercedes-Benz R-Class,2008 Mercedes-Benz CL65 AMG,2008 Mercedes-Benz C63 AMG,2008 Mercedes-Benz C-Class,2007 Mercedes-Benz S 63 AMG,2007 Mercedes-Benz S 600 Guard,2007 Mercedes-Benz S 500 4MATIC,2007 Mercedes-Benz S65 AMG,2007 Mercedes-Benz S550,2007 Mercedes-Benz R 63 AMG,2007 Mercedes-Benz G-Class,2007 Mercedes-Benz CL 63 AMG,2007 Mercedes-Benz CL 600,2007 Mercedes-Benz CL 500,2007 Mercedes-Benz CLS 63 AMG,2007 Mercedes-Benz CLS 350 CGI,2006 Mercedes-Benz SL 65 AMG,2006 Mercedes-Benz SL 600,2006 Mercedes-Benz SL 55 AMG,2006 Mercedes-Benz SL 500,2006 Mercedes-Benz SL 350,2006 Mercedes-Benz SLK 55 AMG SS,2006 Mercedes-Benz SL-Class,2006 Mercedes-Benz S-Class,2006 Mercedes-Benz R500,2006 Mercedes-Benz ML 63 AMG,2006 Mercedes-Benz ML500,2006 Mercedes-Benz ML350,2006 Mercedes-Benz GL 420 CDI,2006 Mercedes-Benz GL450,2006 Mercedes-Benz GL-Class,2006 Mercedes-Benz E 63 AMG,2006 Mercedes-Benz E-Class,2006 Mercedes-Benz CLK 63 AMG,2006 Mercedes-Benz B200 CDI,2006 Mercedes-Benz B150,2005 Mercedes-Benz SLK350,2005 Mercedes-Benz CLS500,2005 Mercedes-Benz CLK350,2005 Mercedes-Benz AClass. An Engine Coolant Temperature (ECT) sensor monitors the temperature of the coolant. The Coolant Temperature Sensor (ECT) may be defective. This can happen for multiple reasons and a mechanic needs to diagnose the specific cause for this code to be triggered in your situation. P0128 Mercedes-benz 450 is described as Fuel System Too Rich, which basically means bank 1's oxygen sensor has detected a rich condition of fuel. Enter the 5 character trouble codes in the search box and submit the search. Similar codes: P0125 Mercedes In determining the engine did not reach a “normal” temperature, it takes into account the length of time the vehicle has been running, the intake air temperature (IAT) sensor reading, the engine coolant temperature (ECT) sensor reading, and the speed of the vehicle. Causes of DTC code P0128 Generic A code P0128 can be caused by one or more of the following problems: The thermostat may be stuck leaky. – Engine Light ON (or Service Engine Soon Warning Light), P0123 Mercedes-Benz Throttle Position Sensor/Accelerator Position Pedal Circuit High Input, P0129 Mercedes-Benz Barometric Pressure Out Of Range Low, P2797 Suzuki Auxiliary Transmission Fluid Pump Performance, P068A Mercedes-Benz Engine Control Module (ECM) / Powertrain Control Module (PCM) Power Relay De – Energized Performance Too Early, P0440 Toyota EVAP Canister Purge Regulator Valve, C1953 Mazda Master Cylinder Pressure Sensor Circuit Open, P2119 Mercedes-Benz Throttle Actuator Control Throttle Body Range/Performance. I have had lots of troubles with my 2015 GLA 250 4Matic, this will be my first and last Mercedes. Possible causes of OBD code P0128 Mercedes, A code P0128 Mercedes may mean that one or more of the following has happened: Low engine coolant level Leaking or stuck open thermostat Faulty cooling fan (running too much) Faulty coolant temperature (ECT) sensor Faulty intake air temperature (IAT) sensor, Mercedes-Benz P0127 Intake Air Temperature Too High, Mercedes-Benz P0129 Barometric Pressure Out Of Range Low. The thermostat is a component that blocks the flow of coolant to the radiator until the engine has warmed up. P0128 Mercedes-Benz Description. Check the condition of the cooling system for rust deposits or a mixture of different coolants. P0128 Mercedes E 230 is a DTC or a diagnostic trouble code. Car obd codes, car OBD-ii codes, car Fault codes , Car Trouble codes, Car Error codes, diagnostic codes. The intent of the P0128 Mercedes code is to indicate a faulty thermostat. Mercedes Benz 230 manufacturer uses specific Mercedes Benz 230 diagnostic code that are different from the codes shown below. So what does the code p0128 mean? When the engine is cold, no coolant flows through the engine. However here are some suggestions on troubleshooting and repairing a P0128 Mercedes OBD-II code: Verify coolant strength & level Verify proper cooling fan operation (check if it’s running more than it should). What is the cost to diagnose the P0128 2003 INFINITI G35 code Labor: 1.0 The cost to diagnose the P0128 2003 INFINITI G35 code is 1.0 hour of labor. Mercedes thermostat part numbers. However manufacturer may have a different definition for the P0128 OBD-II Diagnostic Powertrain (P) Trouble Code. Leaking or stuck open thermostat (likely) 3. Faulty coolant temperature (ECT) sensor 5. The description for code P0128 is “coolant thermostat (coolant temperature below thermostat regulating temperature).” This code is set when the PCM notices that the engine has not reached operating temperature within the specified time. The cost of diagnosing the P0128 code is 1.0 hour of labor. It is out of warranty (about 59k miles) and just started throwing ODB2 code P0128, indicating too slow heating of the engine; this generally means that either the sensor is … The intent of the P0128 Saab code is to indicate a faulty thermostat. Similar codes: P0125 Mercedes In determining the engine did not reach a “normal” temperature, it takes into account the … Faulty intake air temperature (IAT) sensor When the code P0128 is set in the Powertrain Computer, the engine is either taking too much time to warm up to the proper operating temperature—more than fifteen minutes, as measured by the Coolant Temperature Sensor—or the operating temperature is going below the 160–170º F range during vehicle operation. The auto repair labor rates vary by location, your vehicle's make and model, and even your engine type. Mercedes Benz Sl500 manufacturer uses specific Mercedes Benz Sl500 diagnostic code that are different from the codes shown below. You hooked up a scan tool to solve the mystery of the check engine light, and it came up with OBD-II trouble code p0128 coolant thermostat is running below the thermostat regulating temperature.. Air conditioning heater might not get hot enough because it uses the engine's coolant to warm up the vehicle's interior, and the coolant never reaches full operating temps. OBD2 Code P0128 Mercedes definition: This means that the engine’s PCM detected that the engine has not reached the required temperature level within a specified amount of time after starting the engine. Low engine coolant level 2. Most auto repairs shops charge between $75 and $150 per hour. Mercedes-Benz B250 Electric Drive, 2008 Honda Odyssey, 2008 Honda Fit, 2003 Honda Civic Si Previous Cars: Mercedes-Benz CLA250, Honda Civic Si, 2003 Honda Odyssey, 2001 Honda Accord, 1998 Honda Accord, 1997 Honda Odyssey, 1995 Honda Civic EX, 1992 Honda Civic LX, 1986 Honda Civic Si, 1979 VW Rabbit, 1975 Olds Delta … This input is used by the Powertrain Control Module (PCM) for engine control and as an enabling criteria for some diagnosis. Fault codes that can be triggered due to engine coolant thermostat failures. Mercedes M112 M113 Thermostat + Aluminium Housing + Seal 1122030275. will fit the following Mercedes-Benz models: Mercedes Applications: 2001-2004 SLK320 So you should chech it … Code P0128 Common Diagnosis Mistakes Many just replace the thermostat without checking all possible causes. Verify proper intake air temperature (IAT) sensor operation, replace if necessary. Make sure to flush the engine block and radiator when replacing the thermostat to prevent deposits from getting stuck in the new thermostat. A P0128 is a code is an indication of a faulty thermostat or ECT (engine coolant temp sensor). The intent of the P0128 Mercedes code is to indicate a faulty thermostat. P0128 – Coolant temperature below Thermostat Regulating temperature fault code. P0128 Meaning. If your OBD-II trouble codes are for a different car, select that vehicle series before searching for the diagnostic codes because not all OBD2 codes used by one manufacture are used by the other makes. In other words the engine is running too cold – or at least the PCM thinks it is. 1. P0128 Code Meaning : When you check car engine light came on code P0128 the reason should be Engine Light ON (or Service Engine Soon Warning Light). This generic trouble code can affect most makes and models of vehicles. 3. Similar codes: P0125 Mercedes In determining the engine did not reach a “normal” temperature, it takes into account the length of time the vehicle has been running, the intake air temperature (IAT) sensor reading, the engine coolant temperature (ECT) sensor reading, and the speed of the vehicle. If the coolant temperature does not increase normally or does not reach the regulating temperature of the thermostat, the diagnostic that use ECT as enabling criteria may not run when expected. Possible sumptoms of OBD code P0128 Mercedes You will likely not notice any drivability problems other than the MIL illumination. P0128 is a diagnostic trouble code (DTC) for "Coolant Thermostat (Coolant Temperature Below Thermostat Regulating Temperature)". Mercedes-BenzP0128 Mercedes-Benz DTC P0128 Make: Mercedes-Benz Code: P0128 Definition: Thermostat Description: Three-disk thermostat valve jams … The currently selected ODB-ii codes is for the Mercedes-Benz makes. Most … An Engine Coolant Temperature (ECT) sensor monitors the temperature of the coolant. P0128 Mercedes-Benz Engine Coolant Temperature Below Thermostat Regulating Temperature. The OBDII sets when the engine coolant temperature has not risen enough to open the thermostat even though the engine has run long enough. Cost of diagnosing the P0123 MERCEDES-BENZ code Labor: 1.0 The cost of diagnosing the P0123 MERCEDES-BENZ code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle's make and model, and even your engine type. The auto repair labor rates vary widely across the country, and even within the same city. Most auto repairs shops charge between $75 and $150 per hour. 5. If the Powertrain Control Module (PCM) detects the calibrated amount of air flow and engine run time have been met, and the Engine Coolant Temperature (ECT) has not met the minimum thermostat regulating temperature, the code P0128 Mercedes-Benz will set. p0128 mercedes, Engine-codes.com P0128 Meaning The thermostat is a component that blocks the flow of coolant to the radiator until the engine has warmed up. However manufacturer may have a different definition for the P0128 OBD-II Diagnostic Powertrain (P) Trouble Code. Trouble code P0128 will also be recorded in the ECM ROM memory. More than 18000 codes for all autos. When you check Mercedes-benz G Class car engine light came on code P0128 the reason should be Engine Light ON (or Service Engine Soon Warning Light). P0128 engine code for Mercedes Benz Sl500 provides below are generic codes that may not apply to all vehicles. Trouble code definition for code P0128 This input is used by the Powertrain Control Module (PCM) for engine control and as an enabling criteria for some diagnosis. Don’t assume a particular OBD-II code means the same for other auto manufacturers as there are many makes specific codes in use. 2. OBD-II Trouble Code Description for P0128 Mercedes, Coolant Thermostat (Coolant Temperature Below Thermostat Regulating Temperature). So you should chech it … The air flow coming into the engine is accumulated and used to determine if the vehicle has been driven within the conditions that would allow the engine coolant to heat up normally to the thermostat regulating temperature. (Code erreur) P0128 Thermostat / Classe A W176 / Forum-mercedes.com: passionné(e)s de Mercedes-Benz, visitez le forum pour en découvrir davantage. The 3UR-FE engine is a member of the new Toyota's UR family. Possible sumptoms of OBD code P0128 Mercedes. We are not responsible for any actions you take on your vehicle. Verify proper engine coolant temperature (ECT) sensor operation, replace if necessary. Based on most online feedback, it's looking like the large majority of the time that when this code appears, the vehicle's thermostat needs to be re Engine will take too long to warm up (especially on cold days). The warm-up time is not enough. The list of automotive Makes at the right edge of the screen. Mercedes-Benz Check Engine light OBD scan reveals code P0128 Check Engine light OBD scan reveals code P0128 (low coolant temperature) is the problem. P0128 code definition Coolant Thermostat (Coolant Temperature Below Thermostat Regulating Temperature) What the P0128 code means The P0128 code means that the... Read more A Buyer’s Guide to the 2012 Mercedes-Benz ML350 BlueTec The ECT (Engine Coolant Temperature) cable system can be short. Faulty cooling fan (running too much) 4. Jupiter Red Current Cars: Mercedes-Benz GLA45. Foreign vehicles may also use DTC codes different from the generic DTC codes. It is a 5.7-liter V8 with aluminum block and heads. When the engine is cold, no coolant flows through the engine. You will likely not notice any drivability problems other than the MIL illumination. P0128 Mercedes E 230 code definition: P0128 is a kind of OBD-II Diagnostic P-Powertrain Diagnostic Trouble Code for Mercedes E 230. Once the engine reaches its operating temperature, the thermostat opens. The code is signaled when your powertrain control moduledetects an unusual temperature reading while your engine is running. This means that the engine’s PCM detected that the engine has not reached the required temperature level within a specified amount of time after starting the engine. The information contained on this site is presented for informational purposes only. https://www.fixdapp.com/blog/p0128FIXD is here to explain what your check engine light code means. Foreign vehicles may also use DTC codes different from the generic DTC codes. OBD2 Code P0128 Mercedes definition: This means that the engine’s PCM detected that the engine has not reached the required temperature level within a specified amount of time after starting the engine. Possible causes of OBD code P0128 Mercedes A code P0128 Mercedes may mean that one or more of the following has happened: Low engine coolant level Leaking or stuck open thermostat Faulty cooling fan (running too much) Faulty coolant temperature (ECT) sensor Faulty intake air temperature (IAT) sensor, Past experience indicates that the most likely solution is to replace the thermostat. Look up the other OBD II Trouble Codes, please use the search box. The air flow coming into the engine is accumulated and used to determine if the vehicle has been driven within the conditions that would allow the engine … Replace if necessary. 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