Service Buddy
Electrical

Code P0606

ECM Processor Fault

Plain English Meaning:Engine control module internal failure

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Red: Stop Driving & Tow

Vehicle may fail completely

What You'll Notice (Symptoms)

  • No start erratic behavior

Most Common Causes

1ECU failure software issue

Verified Repair Playbook

Required Mechanic Tests

A qualified shop should perform these tests before replacing any parts to ensure they aren't guessing:

Confirm ECU fault reprogram test

Typical Fix Paths & Estimated Costs

Replace ECU $500–$2000+