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OBD II Fault Code P2770 :

Description of Fault code P2770

TORQUE CONVERTER CLUTCH (TCC) SOLENOID VALVE A HIGH INPUT

Possible failuer P2770

  • Control line open
  • Solenoid valve failure

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

BMW Key Programming by HTag Pro, All keys lost


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 P2771
OBD II Fault Code P2772
OBD II Fault Code P2773
OBD II Fault Code P2774
OBD II Fault Code P2775
OBD II Fault Code P2776
OBD II Fault Code P2777
OBD II Fault Code P2778
OBD II Fault Code P2779
OBD II Fault Code P277A
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