Error code

OBD2 P0996

OBD2P0996
Diagnostic Trouble Code· Standard OBD-II fault code read from the vehicle's onboard diagnostics.

What it means

Transmission Fluid Pressure Sensor/Switch 'F' Circuit Intermittent.

Severity

moderateCan drive but may experience shifting issues. It's recommended to address the issue promptly.

Summary

P0996 indicates an intermittent issue with the transmission fluid pressure sensor/switch 'F' circuit in the automatic transmission. This sensor monitors the pressure of the transmission fluid to ensure proper gear shifting.

Symptoms

  • Transmission slipping or hesitation during shifts
  • Check engine light is on

Common Causes

  • Damaged, burnt, shorted, disconnected, or corroded wiring and connectors
  • Defective transmission fluid pressure sensor/switch
  • Low transmission fluid level
  • Dirty, contaminated, or degraded transmission fluid causing intermittent blockages in internal oil passages

Diagnosis

  1. Check for damaged or corroded wiring and connectors near the transmission fluid pressure sensor/switch 'F'
  2. Verify the transmission fluid level and condition, ensuring it is clean and at the proper level
  3. Use a diagnostic tool like Torque Pro to read live data from the TFP sensor circuit

Fixes

  • Replace damaged wiring or connectors
  • Replace defective transmission fluid pressure sensor/switch 'F'

FAQ

Can I drive with P0996?

You can drive but may experience shifting issues. It's recommended to address the issue promptly.

What causes P0996?

Common causes include damaged wiring/connectors, a faulty sensor/switch 'F', low transmission fluid level, or dirty/degraded transmission fluid.

View source

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

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