P0845 – Transmission Fluid Pressure Sensor B Circuit

Description

The ECM detects a malfunction in TFPS B circuit.

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Symptoms

  • Harsh shifting
  • Limp mode
  • Delayed engagement

Causes

  • Faulty sensor
  • Wiring issues
  • Poor grounds

Diagnosis

  • Monitor sensor voltage
  • Inspect wiring
  • Check grounds

Repair

  • Replace sensor
  • Repair wiring