Error code

OBD2 P0775

OBD2P0775
Diagnostic Trouble Code· Standard OBD-II fault code read from the vehicle's onboard diagnostics.

What it means

Pressure Control Solenoid 'B'.

Severity

highDriving may be possible but not recommended due to potential damage and safety risks.

Summary

P0775 indicates a malfunction with the pressure control solenoid B in the transmission system.

Symptoms

  • Malfunction Indicator Lamp (MIL) lights on
  • Transmission will not shift gears
  • Slippage, overheating, and decreased fuel efficiency
  • PCM/TCM may enter 'limp-in' mode

Common Causes

  • Faulty pressure control solenoid B
  • Solenoid harness or connectors issues
  • Low or contaminated transmission fluid
  • Hydraulic fluid passage blockages inside the transmission
  • Mechanical internal transmission failures
  • PCM/TCM defect (rare)

Diagnosis

  1. Check for open or short circuits in the solenoid valve circuit.
  2. Inspect transmission fluid level and quality.
  3. Test hydraulic passages for blockages.
  4. Evaluate internal mechanical components of the transmission.

Fixes

  • Replace faulty pressure control solenoid B

FAQ

What should I do if my MIL light is on with P0775?

It's recommended to have the transmission checked by a professional mechanic as soon as possible.

Can I drive with P0775?

Driving may be possible but not advisable due to potential damage and safety risks. It is best to address the issue promptly.

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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