P1564 – Battery Charge Control Signal Fault (Nissan)

Description

The ECM detected a malfunction in the battery charge control signal.

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Symptoms

  • Warning light
  • Poor charging

Causes

  • ECM signal issue
  • Wiring fault
  • Alternator problem

Diagnosis

  • Check control signal
  • Inspect wiring
  • Test alternator

Repair

  • Repair wiring
  • Replace alternator