P1379 – ECM Internal Synchronization Fault (Nissan)

Description

The ECM detected an internal synchronization malfunction.

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Symptoms

  • Hard start
  • Stalling

Causes

  • ECM internal fault
  • Signal mismatch
  • Wiring issue

Diagnosis

  • Scan sync data
  • Inspect wiring
  • Test ECM outputs

Repair

  • Repair wiring
  • Replace ECM

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