P0607 – Control Module Performance

Description

The ECM detects a general internal performance malfunction.

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Symptoms

  • Stalling
  • No start
  • Reduced power

Causes

  • ECM failure
  • Voltage instability
  • Poor grounds

Diagnosis

  • Scan for ECM faults
  • Check charging system
  • Inspect grounds

Repair

  • Replace ECM
  • Repair wiring
  • Fix power/ground issues