P0512 – Starter Request Circuit

Description

The ECM detects a malfunction in the starter request circuit.

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Symptoms

  • No start
  • Intermittent start
  • Clicking noise

Causes

  • Faulty ignition switch
  • Starter relay issues
  • Wiring problems

Diagnosis

  • Monitor start request signal
  • Inspect wiring
  • Check relay

Repair

  • Replace ignition switch
  • Repair wiring
  • Replace relay