P0965 – Pressure Control Solenoid B Control Circuit

Description

The pressure control solenoid B circuit is malfunctioning.

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Symptoms

  • Harsh shifting
  • Poor acceleration
  • Slipping
  • Limp mode
  • Check engine light

Causes

  • Faulty pressure solenoid
  • Damaged wiring
  • Low fluid
  • TCM issue
  • ECU issue

Diagnosis

  • Inspect wiring
  • Test solenoid
  • Check fluid level
  • Scan live data
  • Inspect TCM

Repair

  • Replace pressure solenoid
  • Repair wiring
  • Refill fluid
  • Replace TCM
  • Update ECU

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