Error code

OBD2 P0799

OBD2P0799
Diagnostic Trouble Code· Standard OBD-II fault code read from the vehicle's onboard diagnostics.

What it means

Pressure Control Solenoid 'C' Intermittent.

Severity

moderateCan drive but may experience shifting issues.

Summary

P0799 indicates an intermittent issue with Transmission Fluid Pressure (TFP) Solenoid C, which is part of the transmission control system.

Common Causes

  • Poor wiring or connection
  • Faulty ECM/PCM!TCM

Fixes

  • Inspect and repair wiring or connections related to TFP Solenoid C.

FAQ

What does P0799 mean?

P0799 indicates an intermittent malfunction in the Transmission Fluid Pressure (TFP) Solenoid C circuit.

How do I fix P0799?

Inspect and repair any faulty wiring or connections related to TFP Solenoid C. If necessary, replace the solenoid or control module.

Not affiliated with OBD2. Answer summarized from the manufacturer's manual linked above; consult that source for the authoritative procedure.