Que signifie votre code Code Défaut BMW ?

Grace au système OBD, les Bmw 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.

Revenir aux autres catégories de codes défauts BMW



Réparer le code défaut de votre auto, c’est potentiellement simple à faire avec nos revues et méthodes techniques

Code Libellé
255500 Coolant temperature sensor, signal: Short circuit to ground
255600 EGR cooler, bypass flap, position sensor, area: Upper physical limit exceeded
255700 EGR cooler, bypass flap, position sensor, area: Lower physical limit undershot
255800 EGR cooler bypass valve position sensor: Short circuit to positive
255900 EGR cooler bypass valve position sensor: Open circuit or short circuit to ground
256000 Exhaust-gas recirculation controller, output 1 (positive), activation: short circuit to positive
256100 Exhaust-gas recirculation controller, output 2 (negative), activation: short circuit to positive
256200 Exhaust-gas recirculation controller, output 1 (positive), activation: short circuit to ground
256300 Exhaust-gas recirculation controller, output 2 (negative), activation: short circuit to ground
256400 Activation of exhaust-gas recirculation valve: Overloading
256500 Exhaust-gas recirculation controller, activation: temperature-dependent maximum current exceeded
256600 DDE control unit: Internal fault (exhaust-gas recirculation valve, supply: voltage too low)
256700 Low pressure EGR positioner control: valve too closed/positive deviation
256800 Low pressure EGR positioner control: valve too open/negative deviation
256900 Low-pressure exhaust-gas recirculation valve, activation: Open circuit
257000 Low-pressure exhaust-gas recirculation valve, activation: Overloading
257100 Low-pressure exhaust-gas recirculation valve, activation: Temperature-dependent maximum current exceeded
257200 Low-pressure exhaust-gas recirculation valve, activation: Supply voltage too low
257300 Low pressure EGR positioner: Open circuit
257400 Low pressure EGR positioner: Output stage overheating
257500 Low pressure EGR positioner: Short circuit to positive
257600 Low pressure EGR positioner: Short circuit to ground
257700 Low-pressure exhaust-gas recirculation valve position sensor, signal: short circuit to B+
257800 Low-pressure exhaust gas recirculation valve, position sensor, signal: Open circuit or short circuit to ground
257900 Activation of exhaust-gas recirculation valve: Open circuit
258000 Engine speed signal: Open circuit
258100 Engine speed signal: Short circuit to positive
258200 Engine speed signal: Short circuit to ground
258300 Exhaust gas pressure sensor, diesel particulate filter, signal: Signal too high
258400 Exhaust counterpressure sensor before catalytic convertor, signal Signal too high
258500 Exhaust-gas temperature sensor upstream of diesel particulate filter, signal: Signal too high
258600 DFC_EnhSRCMaxT3ExhTMon: diagnostic Fault Check for enhanced SRC-Max of third exhaust gas temperature
258700 Exhaust back pressure sensor upstream of diesel particulate filter: Signal too low
258800 Exhaust counterpressure sensor before catalytic convertor, signal Signal too low
258900 Exhaust-gas temperature sensor upstream of diesel particulate filter, signal: Signal too low
259100 Exhaust temperature sensor upstream of catalytic converter, plausibility: Difference, measured from calculated exhaust-gas temperature before cat., too high
259200 Exhaust temperature sensor upstream of diesel particulate filter, plausibility: Difference, measured from calculated exhaust-gas temperature before particulate filter, too high
259300 Exhaust-gas temperature sensor before SCR catalytic converter, plausibility: Difference, measured from calculated exhaust-gas temperature before SCR cat., too high
259500 DFC_ExhTMonT2Plaus: diagnostic Fault check during cold start condition of second exhaust-gas temperature
259600 DFC_ExhTMonT3Plaus: diagnostic Fault check during cold start condition of third exhaust-gas temperature
259700 fuel pressure and temperature sensor, pressure signal: Open or short circuit to B+
259800 fuel pressure and temperature sensor, pressure signal: Short circuit to ground
260000 Exhaust-gas temp. sensor after EGR cooler, range: lower physical limit undershot
260100 Exhaust-gas temperature sensor after exhaust gas recirculation cooler, signal: Open or short circuit to B+
260200 Exhaust-gas temperature sensor after exhaust gas recirculation cooler, signal: Short circuit to earth
260300 Exhaust-gas temp. sensor after low-pressure EGR cooler, signal: Open circuit or short circuit to positive
260400 Exhaust temperature sensor downstream of low-pressure EGR cooler, signal: Short circuit to ground
260500 Boost air temperature sensor in plenum chamber, range: Above upper physical limit
260600 Boost air temperature sensor in plenum chamber, range: below lower physical limit
260700 Boost air temperature sensor in plenum chamber, signal: Circuit/open or short circuit to plus
260800 Boost air temperature sensor in plenum chamber, signal: Short circuit to ground
260900 Exhaust temperature sensor upstream of catalytic converter, range Upper physical limit exceeded
261000 Electromotive throttle actuator, position sensor, signal: Open circuit or short circuit to ground
261100 Exhaust-gas temperature sensor before SCR catalytic converter, signal: Upper physical limit exceeded
261200 Exhaust-gas temperature sensor before SCR catalytic converter, signal: Lower physical limit undershot
261300 Reduction agent (AdBlue) heating pressure line, control: Circuit open
261400 Reduction agent (AdBlue) heating pressure line, control: Circuit high
261500 Reduction agent (AdBlue) heating pressure line, control: Circuit to ground
261600 Reduction agent (AdBlue) heating pressure lines diagnose, signal: Circuit high
261700 Reduction agent (AdBlue) heating pressure lines diagnose, signal: Circuit open or circuit to ground
261800 Reduction agent (AdBlue) active reservoir heater, control: Circuit open
261900 Reduction agent (AdBlue) active reservoir heater, control: Circuit high
262000 Reduction agent (AdBlue) pressure sensor, range: Below the lower fysical limit
262100 Reduction agent (AdBlue) pressure sensor, plausibility: Differential pressure too high
262200 Reduction agent (AdBlue) pressure sensor, plausibility: Differential pressure too low
262300 Reduction agent (AdBlue) pump system, control: Interruption
262400 Reduction agent (AdBlue) pump system, control: Circuit high
262500 Reduction agent (AdBlue) pump system, control: Circuit to ground
262600 Reduction agent (AdBlue) diverter valve, control: Circuit open
262700 Reduction agent (AdBlue) diverter valve, control: Circuit high
262800 Reduction agent (AdBlue) diverter valve, control: Circuit to ground
263000 Reduction agent (AdBlue) active reservoir, temperature sensor, plausibility: Tank temperature too high compared to ambiant temperature
263100 Reduction agent (AdBlue) active reservoir, temperature sensor, plausibility: Tank temperature too low compared to ambiant temperature
263200 Swirl-flap actuator, activation: Open circuit
263300 swirl-flap actuator, activation: Maximum current exceeded
263400 Swirl-flap actuator, activation: Output stage, excess temperature
263500 Swirl-flap controller output 1 (positive wire), activation: Short circuit to B+
263600 Swirl-flap controller, output 2 (positive wire), activation: Short circuit to B+
263700 Swirl-flap controller output 1 (ground cable), activation: Short circuit to ground
263800 Swirl-flap controller output 2 (negative wire), activation: Short circuit to ground
263900 swirl-flap actuator, activation: Overloading
264000 Swirl-flap actuator, position sensor, signal: Short circuit to positive
264100 Swirl-flap actuator, position sensor, signal: Open circuit or short circuit to ground
264500 Clutch switch, signal: implausible during gear change
264600 Low-pressure EGR cooler, plausibility: Measured temperature after cooler too high
264700 Exhaust-gas recirculation cooler, plausibility: Measured temperature after cooler too high
264800 Injector cylinder 1, Measurement of energy consumption: Energy consumption too high
264900 Injector cylinder 5, Measurement of energy consumption: Energy consumption too high
265000 Injector cylinder 1, Measurement of energy consumption: Energy consumption too low
265100 Injector cylinder 5, Measurement of energy consumption: Energy consumption too low
265200 Injector cylinder 3, Measurement of energy consumption: Energy consumption too low
265300 Injector cylinder 6, Measurement of energy consumption: Energy consumption too low
265400 Injector cylinder 2, Measurement of energy consumption: Energy consumption too low
265500 Injector cylinder 4, Measurement of energy consumption: Energy consumption too low
265600 Injector cylinder 7, Measurement of energy consumption: Energy consumption too low
265700 Injector cylinder 8, Measurement of energy consumption: Energy consumption too low
265800 Injector cylinder 1, Measurement of energy consumption: Charging or discharging energy implausible
265900 Injector cylinder 5, Measurement of energy consumption: Charging or discharging energy implausible
266000 DDE control unit internal (injector, cylinder 1, discharge-time control): discharge-time deviation too high
266100 DDE control unit internal (injector, cylinder 5, discharge-time control): discharge-time deviation too high
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