What are the common causes of P06D1?

A failed ignition coil or coils drawing out of range. A chafed or shorted ignition coil control wire. Fouled or worn spark plugs loading the coils. A failed PCM ignition coil driver. A damaged ignition harness connector.

Scan all modules for misfire codes pointing to a cylinder. Test ignition coil resistance and control voltage with a meter. Inspect coil connectors and the harness for chafes or corrosion. Replace fouled spark plugs and any coil with an out of range reading. Replace the PCM if the coil control driver tests faulty. Clear the code and retest.

P06D1

Internal Control Module Ignition Coil Control Performance

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

What it means

P06D1 means Internal Control Module Ignition Coil Control Performance.

Where it lives

For P06D1, the part to look at first is the module named here.

Check these first

A failed ignition coil or coils drawing out of range
A chafed or shorted ignition coil control wire
Fouled or worn spark plugs loading the coils
A failed PCM ignition coil driver
A damaged ignition harness connector

What to do next

Scan all modules for misfire codes pointing to a cylinder
Test ignition coil resistance and control voltage with a meter
Inspect coil connectors and the harness for chafes or corrosion
Replace fouled spark plugs and any coil with an out of range reading
Replace the PCM if the coil control driver tests faulty
Clear the code and retest

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Updated

Generic SAE J2012 definition. Last updated 2026-10-10.