P0841 – Transmission Fluid Pressure Sensor Range/Performance

Description

The ECM detects a pressure sensor signal outside expected range.

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Symptoms

  • Harsh shifting
  • Limp mode
  • Delayed engagement

Causes

  • Faulty TFPS
  • Low fluid
  • Wiring issues

Diagnosis

  • Monitor pressure data
  • Inspect wiring
  • Check fluid

Repair

  • Replace TFPS
  • Repair wiring
  • Refill fluid