Error code
OBD2 P2738
OBD2P2738
Diagnostic Trouble Code· Standard OBD-II fault code read from the vehicle's onboard diagnostics.
What it means
Pressure Control Solenoid 'F' Control Circuit Low.
Severity
moderateCan drive, but may experience shifting issues and reduced fuel efficiency.
Summary
P2738 indicates a low control circuit issue with Transmission Fluid Pressure (TFP) Solenoid F, which is part of the transmission system.
Common Causes
- Wiring short to ground
- Faulty TFP solenoid
- Transmission Control Module (TCM) failure
Fixes
- Replace the faulty TFP solenoid or repair wiring issues.
FAQ
What does P2738 mean?
P2738 indicates a problem with the control circuit of Transmission Fluid Pressure Solenoid F, which affects transmission fluid pressure regulation.
Not affiliated with OBD2. Answer summarized from the manufacturer's manual linked above; consult that source for the authoritative procedure.
More OBD2 codes
- P2700Transmission Friction Element 'A' Apply Time Range/Performance
- P2701Transmission Friction Element 'B' Apply Time Range/Performance
- P2702Transmission Friction Element 'C' Apply Time Range/Performance
- P2703Transmission Friction Element 'D' Apply Time Range/Performance
- P2704Transmission Friction Element 'E' Apply Time Range/Performance
- P2705Transmission Friction Element 'F' Apply Time Range/Performance
- P2706Shift Solenoid 'F'
- P2707Shift Solenoid 'F' Performance or Stuck Off
- P2708Shift Solenoid 'F' Stuck On
- P2709Shift Solenoid 'F' Electrical
- P2710Shift Solenoid 'F' Intermittent
- P2711Unexpected Mechanical Gear Disengagement