How to retrieve and read the fault codes from a dual zone climate control system..Mercedes w208,….w203 is the same and w210 is similar..
THE CODES ARE LISTED BELOW
The # in brackets following the code is the location # of the faulty part..the following website shows the location for those parts.
https://w208.info/repair/electric
226 – In-car temperature sensor (B10/4)
227 – Outside temperature indicator temperature sensor (B14)
228 – Heater core temperature (B10/1)
229 – Heater core temperature (B10/1)
230 – Evaporator temperature sensor (B10/6)
231 – ECT sensor (B11/4)
232 – Refrigerant pressure sensor (B12)
233 – Refrigerant temperature sensor (B12/1)
234 – Sun sensor (B32)
235 – Emissions sensor (B31)
241 – Refrigerant fill
416 – Coolant circulation pump (M13)
417 – Duovalve (Y21y1), left
418 – Duovalve (Y21y2), right
419 – Electromagnetic clutch (A9k1)
420 – Idle speed increase
421 – Pulse module (N65)
422 – Series interface (K1) connection to instrument cluster (A1)
423 – Switchover valve block (Y11)
424 – Activated charcoal filter actuator (A32m2) open
425 – Activated charcoal filter actuator (A32m2) closed
432 – Non-USA DTC
459 – Series interface (K2) connection to instrument cluster (A1)
462 – Wide open throttle (WOT) position signal
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Post time: Jul-30-2017