P0606 – ECM/PCM Processor Fault
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Symptoms
- No start
- Rough idle
- Hesitation
- Poor acceleration
- Check engine light
Causes
- ECU failure
- Damaged wiring
- Connector issue
- Voltage issue
- Software corruption
Diagnosis
- Inspect wiring
- Check connectors
- Test battery voltage
- Scan live data
- Perform ECU diagnostics
Repair
- Replace ECU
- Repair wiring
- Fix connectors
- Update software
- Check charging system