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OBD II Fault Code P1850 :

Description of Fault code P1850

CREEP AID SYSTEM (CAS) SOLENOID A MALFUNCTION

Possible failuer P1850

  • Solenoid valve failure
  • Control line open
  • Control line short

Diagnostic Procedure using AutoHex II Scan Tool

  • The malfunction is detected when the Engine is started, the voltage from IG1 is more than 10.5V, and the input voltage from VBU to TCM is less than 6V, at least 2 seconds.

Test Conditions using AutoHex tester

  • ENGINE SPEED > 400rpm
  • Battery Voltage > 10.5V

Clear Fault codes Conditions

  • The malfunction is detected when the Engine is started, the voltage from IG1 is more than 10.5V, and the input voltage from VBU to TCM is less than 6V, at least 2 seconds.

MIL Status

  • ON

BMW ECU Programming


Note:

  • AutoHex II is a professional Auto diagnostic.
  • This fault code is a GERENRIC fault code, some cars may change the meaning of this fault code.
    To get the accurate fault code description you may use AutoHex II

More Fault codes:

OBD II Fault Code P1851
OBD II Fault Code P1852
OBD II Fault Code P1853
OBD II Fault Code P1854
OBD II Fault Code P1855
OBD II Fault Code P1856
OBD II Fault Code P1857
OBD II Fault Code P1858
OBD II Fault Code P1859
OBD II Fault Code P185A
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