Error code
OBD2 P0879
OBD2P0879
Diagnostic Trouble Code· Standard OBD-II fault code read from the vehicle's onboard diagnostics.
What it means
Transmission Fluid Pressure Sensor/Switch 'D' Circuit Intermittent.
Severity
moderateCan drive but may experience shifting issues or reduced performance.
Summary
P0879 indicates an intermittent issue with the transmission fluid pressure sensor or switch 'D' circuit, which is located in the transmission system.
Common Causes
- Poor wiring connection
- Faulty TFP sensor D
- ECM/PCM/TCM malfunction
Fixes
- Repair or replace the faulty transmission fluid pressure sensor or switch D.
FAQ
What does P0879 mean?
P0879 indicates an issue with the transmission fluid pressure sensor or switch 'D' circuit, which may cause shifting problems.
Not affiliated with OBD2. Answer summarized from the manufacturer's manual linked above; consult that source for the authoritative procedure.
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