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OBD II Fault Code P0777 :

Description of Fault code P0777

CLUTCH PRESSURE CONTROL SOLENOID VALVE B STUCK ON

Possible failuer P0777

  • PRESSURE CONTROL SOLENOID VALVE B stuck on
  • CPC valve B stuck

Diagnostic Procedure using AutoHex II Scan Tool

  • The PCM/ TCM monitors the actual mainshaft speed (rpm) and countershaft speed (rpm) ratios and the commanded ratio. The PCM/TCM computes these ratio continuously.
  • A malfunction is detected when a difference between the actual ratio and the commanded ratio occurs, and it is over the specific ratio.
  • When the 3rd -> 4th upshift has been made then the PCM/TCM detects neutral position while driving in 5th gear a malfunction is detected.

Test Conditions using AutoHex tester

  • D or D3 shift position
  • Battery Voltage > 11V
  • Upshifting 1st through 5th

Clear Fault codes Conditions

  • The PCM/ TCM monitors the actual mainshaft speed (rpm) and countershaft speed (rpm) ratios and the commanded ratio. The PCM/TCM computes these ratio continuously.
  • A malfunction is detected when a difference between the actual ratio and the commanded ratio occurs, and it is over the specific ratio.
  • When the 3rd -> 4th upshift has been made then the PCM/TCM detects neutral position while driving in 5th gear a malfunction is detected.

MIL Status

  • OFF

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 P0778
OBD II Fault Code P0779
OBD II Fault Code P077A
OBD II Fault Code P077B
OBD II Fault Code P077C
OBD II Fault Code P077D
OBD II Fault Code P077E
OBD II Fault Code P077F
OBD II Fault Code P0780
OBD II Fault Code P0781
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