What are the common causes of P0607?

PCM internal performance issue. Failing PCM voltage regulator. Intermittent power or ground connection to the PCM. Software bug or corrupted calibration. Thermal stress on the module.

Verify battery and charging system health. Inspect PCM power and ground connections. Check for pending firmware updates from the vehicle maker. Clear the code and drive to see if it returns. Replace the PCM if the code persists.

P0607

Control Module Performance

System: Computer output circuits (P code)
Lamp: Check Engine Light
Category: Powertrain - Computer and Auxiliary Controls

What it means

P0607 means Control Module Performance.

Where it lives

For P0607, the part to look at first is the module named here.

Check these first

PCM internal performance issue
Failing PCM voltage regulator
Intermittent power or ground connection to the PCM
Software bug or corrupted calibration
Thermal stress on the module

What to do next

Verify battery and charging system health
Inspect PCM power and ground connections
Check for pending firmware updates from the vehicle maker
Clear the code and drive to see if it returns
Replace the PCM if the code persists

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Updated

Generic SAE J2012 definition. Last updated 2026-08-30.