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ElectricalSeverity High: diagnose before driving on

P0607Control Module Performance

What it means

The ECU detected an internal performance problem.

Symptoms

  • Check engine light
  • Possibly no start, stalling or limp mode
  • Other codes may be stored at the same time

Common causes

  • Low voltage or poor ground at the ECU
  • Water ingress or corrosion in the ECU or its connector
  • Software problem (update may exist)
  • Internal ECU fault

What to check first

  1. Check ECU power and ground supplies under load
  2. Check the ECU and connectors for water or corrosion
  3. Look for a software update or technical bulletin before replacing the ECU
Can I drive with P0607? Not recommended. P0607 can lead to stalling, limp mode or engine damage; diagnose it before driving further.

Generic OBD-II meaning. Manufacturer-specific meanings and checks can differ; always check the service information for the car.

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P0607: questions and answers

What does P0607 mean?

P0607: Control Module Performance. The ECU detected an internal performance problem.

What are the symptoms of P0607?

Check engine light. Possibly no start, stalling or limp mode. Other codes may be stored at the same time.

What causes P0607?

Low voltage or poor ground at the ECU. Water ingress or corrosion in the ECU or its connector. Software problem (update may exist). Internal ECU fault.

How do you diagnose P0607?

1. Check ECU power and ground supplies under load 2. Check the ECU and connectors for water or corrosion 3. Look for a software update or technical bulletin before replacing the ECU

Can I drive with P0607?

Not recommended. P0607 can lead to stalling, limp mode or engine damage; diagnose it before driving further.