P0606 is rated as critical severity. Stop driving — risk of damage or safety hazard.

P0606

ECM/PCM Processor Fault

Q: What does code P0606 mean?

ECM/PCM Processor Fault: The ECM processor has detected an internal fault. Module replacement is usually required.

Powertrain Code · Critical

What does P0606 mean?

The ECM processor has detected an internal fault. Module replacement is usually required.

System: ECU

P0606 is a powertrain diagnostic trouble code indicating ecm/pcm processor fault. This code is classified as critical severity, which means: stop driving — risk of damage or safety hazard.

Diagnostic data on this page is compiled from publicly available repair resources and technical service bulletins. Always have a qualified mechanic confirm the diagnosis before authorizing repairs on your vehicle.