Error code

OBD2 P0796

OBD2P0796
Diagnostic Trouble Code· Standard OBD-II fault code read from the vehicle's onboard diagnostics.

What it means

Pressure Control Solenoid 'C' Performance or Stuck off.

Severity

highCan be driven but may experience severe issues like erratic shifting or overheating. Immediate repair is recommended.

Summary

P0796 indicates that the transmission fluid pressure control solenoid 'C' is not functioning properly or is stuck in the off position. This solenoid controls the pressurized fluid flow within the automatic transmission.

Symptoms

  • Illuminated CHECK ENGINE light
  • Transmission overheating
  • Slippage and erratic gear shifts
  • Stuck in one gear or unable to select gears
  • Increased fuel consumption over time

Common Causes

  • Dirty, contaminated, or degraded transmission fluid
  • Clogged transmission filter
  • Defective transmission pressure pump
  • Mechanical failure of transmission components
  • Damaged wiring and connectors inside the transmission
  • Failed control module software
  • Faulty PCM/TCM (rare)

Diagnosis

  1. Check transmission fluid condition and filter
  2. Inspect wiring and connectors for damage
  3. Scan for additional codes to identify related issues

Fixes

  • Replace faulty solenoid or other affected components

FAQ

What does P0796 mean?

P0796 indicates a problem with the transmission fluid pressure control solenoid 'C', which is crucial for proper gear shifting and overall transmission function.

How serious is P0796?

It's considered high severity as it can cause significant drivability issues like overheating, slippage, or erratic shifts. Immediate attention is recommended to prevent further damage.

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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