Que signifie votre code Code Défaut MERCEDES ?
Grace au système OBD, les
Mercedes
fabriqués après 1996 sont normalement équipés d'une prise diagnostique OBD.
Si l'ordinateur de la voiture rencontre un problème,un code d'erreur ou un code de diagnostic (DTC)
sera stocké dans la mémoire de l'ECU de la voiture.
Avec un lecteur OBD branché sur le port OBD (On-Board Diagnostics) de la voiture, vous pouvez lire la liste des codes stockés, et donc découvrir quel est le problème.
Les codes suivent une formule permettant de savoir généralement quel est le problème avant même de regarder le tableau ci-dessous.
Nous vous présentons ci-dessus une liste très complète des différents codes défauts possibles.
Si le code défaut de votre auto s'affiche au tableau de bord, vous n'aurez peut-être même pas besoin d'un lecteur OBD . il sera dans la liste .
Réparer le code défaut de votre auto, c'est potentiellement simple à faire avec vos revues et méthodes techniques.
Réparer le code défaut de votre auto, c’est potentiellement simple à faire avec nos revues et méthodes techniques
| Code | Libellé |
|---|---|
| MR 1016 | Oil temperature sensor has gone below measuring range (Short circuit to ground). |
| MR 1016 | Oil pressure and oil temperature' combination sensor: temperature sensor, below measured range (Short circuit to ground) |
| MR 1115 | Fuel temperature sensor, above measuring range ( Short circuit to positive Open circuit) |
| MR 1116 | Fuel temperature sensor, below measuring range ( Short circuit to ground) |
| MR 1215 | Charge pressure and charge air temperature' combination sensor: temperature sensor, above measured range (Short circuit to positive Open circuit) |
| MR 1216 | Charge pressure and charge air temperature' combination sensor: temperature sensor, below measured range (Short circuit to ground) |
| MR 1315 | Atmospheric pressure sensor, above measuring range ( Short circuit to positive Open circuit) |
| MR 1316 | Atmospheric pressure sensor, below measuring range ( Short circuit to ground) |
| MR 1400 | Calibration of the tachograph is faulty. |
| MR 1415 | Charge pressure and charge air temperature' combination sensor: pressure sensor, above measured range (Short circuit to positive Open circuit) |
| MR 1416 | Charge pressure and charge air temperature' combination sensor: pressure sensor, below measured range (Short circuit to ground) |
| MR 1417 | Charge pressure and charge air temperature' combination sensor: pressure sensor, measured value implausible |
| MR 1515 | Coolant temperature sensor, above measuring range ( Short circuit to positive Open circuit) |
| MR 1516 | Coolant temperature sensor, below measuring range ( Short circuit to ground) |
| MR 1615 | Oil pressure sensor, above measuring range ( Short circuit to positive Open circuit) |
| MR 1615 | Oil pressure and oil temperature' combination sensor: pressure sensor, above measured range (Short circuit to positive Open circuit) |
| MR 1616 | Oil pressure sensor, measuring range not reached (Short circuit to ground) |
| MR 1616 | Oil pressure and oil temperature' combination sensor: pressure sensor, below measured range (Short circuit to ground) |
| MR 1617 | Oil pressure sensor, measured value implausible |
| MR 1617 | Oil pressure and oil temperature' combination sensor: pressure sensor, measured value implausible |
| MR 1704 | CAN link to INS Instrument faulty |
| MR 1820 | Boost pressure too high |
| MR 1822 | Boost air temperature exceeded |
| MR 1873 | Turbocharger-Vehicle speed has synchronization fault. |
| MR 1875 | Charge pressure deviation is too large. |
| MR 1917 | Measured value of fuel pressure sensor is implausible. |
| MR 2017 | Measured value of oil pressure sensor is implausible. |
| MR 2020 | Oil pressure is too low. |
| MR 2021 | Oil pressure is too low. |
| MR 2026 | The engine oil level is too high or too low. |
| MR 2122 | Coolant temperature is too high. |
| MR 2219 | Terminal 15 of control unit MR or FR has Open circuit. |
| MR 2415 | The differential fuel pressure sensor has Open circuit. |
| MR 2416 | The differential fuel pressure sensor has Short circuit to positive, Short circuit to ground. |
| MR 2509 | Oil level sensor Open circuit |
| MR 2515 | Oil level sensor Short circuit to positive, measuring range exceeded |
| MR 2516 | Oil level sensor Short circuit to ground, measuring range not reached |
| MR 2517 | Oil level sensor , readout implausible |
| MR 2612 | The turbocharger rpm sensor has Open circuit, Short circuit to positive, Short circuit to ground. |
| MR 2615 | The turbocharger rpm sensor has Short circuit to positive, Open circuit. |
| MR 2616 | The turbocharger rpm sensor has Short circuit to ground. |
| MR 2712 | The rpm signal from the alternator is missing (timeout). |
| MR 2712 | The turbocharger rpm sensor has Open circuit, Short circuit to positive, Short circuit to ground.(Turbocharger2) |
| MR 2804 | The NOx sensor has a communication fault. |
| MR 2815 | The NOx sensor has Short circuit to positive, Open circuit. |
| MR 2816 | The NOx sensor has Short circuit to ground. |
| MR 2971 | Excessive nitrogen oxide emission (threshold 1 exceeded) |
| MR 2972 | Excessive nitrogen oxide emission (threshold 2 exceeded) |
| MR 3015 | Fuel pressure sensor, above measuring range ( Short circuit to positive Open circuit) |
| MR 3016 | Fuel pressure sensor, below measuring range ( Short circuit to ground) |
| MR 3115 | Charge air temperature sensor 2 has Open circuit. |
| MR 3116 | Charge air temperature sensor 2 has Short circuit. |
| MR 3215 | Exhaust gas recirculation temperature sensor has Open circuit. |
| MR 3216 | Exhaust gas recirculation temperature sensor has Short circuit. |
| MR 3320 | Solenoid valve 43527 3rd axle lower Open circuit |
| MR 3321 | Solenoid valve 43527 3rd axle lower Short circuit to ground |
| MR 3322 | Solenoid valve 43527 3rd axle lower Short circuit to positive |
| MR 3332 | Exhaust gas recirculation temperature is outside the specified value range. |
| MR 3408 | Fault of vehicle speed sensor |
| MR 3415 | Air humidity sensor has Short circuit to positive, Open circuit. |
| MR 3416 | Air humidity sensor has Short circuit to ground. |
| MR 3420 | Solenoid valve 43527 3rd axle raise Open circuit |
| MR 3504 | Fault of vehicle speed sensor |
| MR 3604 | CAN message 'Air temperature' is missing. |
| MR 3617 | Measurement value from ambient air temperature sensor is implausible. |
| MR 3706 | The SCR compressed air switching valve has Short circuit to ground. |
| MR 3707 | The SCR compressed air switching valve has Short circuit to positive. |
| MR 3709 | The SCR compressed air switching valve has Open circuit. |
| MR 3906 | AdBlue pump has Short circuit to ground. |
| MR 3907 | AdBlue pump has Short circuit to positive. |
| MR 3909 | AdBlue pump has Open circuit. |
| MR 4039 | Starter actuation (output stage) faulty |
| MR 4049 | Invalid parameterization for proportioning valves |
| MR 4149 | Engine brake is incorrectly parameterized. |
| MR 4200 | Proportioning valve 5 has Short circuit to positive. |
| MR 4201 | Proportioning valve 5 has Short circuit to ground. |
| MR 4202 | Proportioning valve 7 has Short circuit to ground. |
| MR 4203 | Proportioning valve 7 has Open circuit. |
| MR 4204 | Proportioning valve 7 has Short circuit to positive. |
| MR 4205 | The position sensor of the throttle valve has Short circuit to positive, Open circuit. |
| MR 4206 | The position sensor of the throttle valve has Short circuit to ground. |
| MR 4207 | The temperature sensor upstream of the diesel oxidation catalytic converter has Short circuit to positive, Open circuit. |
| MR 4208 | The temperature sensor upstream of the diesel oxidation catalytic converter has Short circuit to ground. |
| MR 4209 | The temperature sensor downstream of the diesel oxidation catalytic converter has Short circuit to positive, Open circuit. |
| MR 4210 | The temperature sensor downstream of the diesel oxidation catalytic converter has Short circuit to ground. |
| MR 4211 | The differential pressure sensor upstream of the diesel particulate filter has Short circuit to positive, Open circuit. |
| MR 4212 | The differential pressure sensor upstream of the diesel particulate filter has Short circuit to ground. |
| MR 4213 | The differential pressure sensor downstream of the diesel particulate filter has Short circuit to positive, Open circuit. |
| MR 4214 | The differential pressure sensor downstream of the diesel particulate filter has Short circuit to ground. |
| MR 4215 | The pressure differential in the diesel particulate filter is too high. |
| MR 4216 | The pressure differential in the diesel particulate filter is too low. |
| MR 4217 | The control deviation of the throttle valve is too high. |
| MR 4218 | The throttle valve reference cycle failed. |
| MR 4219 | The diffusor in the AdBlue metering unit is clogged. |
| MR 4225 | The proportioning valve bank 1 has Short circuit to positive. |
| MR 4226 | The proportioning valve bank 1 has Short circuit to ground. |
| MR 4229 | The measured value of the SCRT temperature sensors (pair A) is implausible. |
| MR 4229 | The measurement value(s) from the SCRT temperature sensors (pair A) is/are implausible. |
| MR 4230 | The measured value of the SCRT temperature sensors (pair B) is implausible. |
| MR 4230 | The measurement value(s) from the SCRT temperature sensors (pair B) is/are implausible. |
DEFINISSEZ VOTRE MARQUE POUR ACCEDER A VOS CODES DEFAUTS
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Revue technique RTA
Revue Technique Automobile
La revue technique de référence depuis 1946. La RTA est une revue papier pour tous publics, qui vous permet d'effectuer les petites et les grosses réparations
Voir le descriptif
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Entretien courant MTA
Méthode Technique Automobile
La MTA est issue de nos outils destinés aux pros de l'auto. Ces méthodes en ligne permettent d'effectuer les opérations de maintenances de votre auto (filtres, courroies, etc.)
Voir le descriptif
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Toutes réparations MTAx
Méthode Technique Automobile Expert
La MTA expert est un outil en ligne destiné aux experts en mécanique et en carrosserie, pour effectuer tous types de réparations sur une voiture.
Voir le descriptif


