Fault Code P0779
Code meaning, symptoms, possible causes, part number, and estimated cost.
P0779
Pressure Control Solenoid 'B' Intermittent
This code indicates an intermittent fault in the 'B' pressure control solenoid circuit within the transmission. The fault is not constant and may appear and disappear, but still affects transmission performance. It can cause unpredictable gear shifts.
Part Details
Part Name
Pressure Control Solenoid 'B'
Reference P/N (OEM)
N/A
General part number for this fault code — not necessarily for your specific vehicle
Estimated Cost
₪700 - ₪2500
Engine Location
Transmission
Symptoms
- Inconsistent or jerky gear shifts
- Transmission occasionally enters limp mode
- Check Engine Light illuminates and extinguishes
- Intermittent poor transmission performance
Possible Causes
- 1Loose connection or corrosion in solenoid connector
- 2Damaged or intermittently chafed wiring
- 3Intermittent internal fault in the solenoid itself
- 4Intermittent issue with Transmission Control Module (TCM)
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