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OBD II Fault Code P1878 :

Description of Fault code P1878

CVT START CLUTCH PRESSURE CONTROL VALVE STUCK OFF

Possible failuer P1878

  • Start clutch pressure control valve stuck off

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

Changing Dmaged DME in F Series


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 P1879
OBD II Fault Code P187A
OBD II Fault Code P187B
OBD II Fault Code P187C
OBD II Fault Code P187D
OBD II Fault Code P187E
OBD II Fault Code P187F
OBD II Fault Code P1880
OBD II Fault Code P1881
OBD II Fault Code P1882
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