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foutcode:  00538
nl	Referentie spanning
du	Referenzspannung
en	Reference Voltage

Extra info bij de foutcodes.   Intermittent

Mogelijke verschijnselen:

Onbekend

Mogelijke oorzaken:

Short circuit or open circuit in wiring or connectors. Pay special attention to the wires from contact 8 of connector housing T16b on Climatronic Control Module -J255- to flap motors. Flap position sensors -G92-, -G112-, -G113- or -G114- malfunctioning. Control Module malfunctioning.

Mogelijke oplossingen:

1) Check wiring and connectors to Control Module using wiring diagram; 2) Check function of flap motors for regulating air conditioner using function 03 Output Diagnostic Test Mode (DTM). Disconnect electrical connectors to listed sensors one after another, erase DTC memory and check DTC memory again. If the "Reference voltage" malfunction is no longer recognized (and the DTC reappears after reconnecting), the applicable flap motor must be replaced. Replace Control Module if necessary.

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