P0900 – Clutch Actuator Circuit

Description

The ECM detects a malfunction in the clutch actuator circuit.

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Symptoms

  • No shift
  • Harsh shifting
  • Limp mode

Causes

  • Faulty actuator
  • Wiring issues
  • ECM fault

Diagnosis

  • Monitor actuator data
  • Inspect wiring
  • Check power/ground

Repair

  • Replace actuator
  • Repair wiring

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