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HOMESERVICE MANUALSINFINITI2019Q70 3.7 LUXE, AWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT VARIANT/TRIMSECTION 13 (ENGINE CONTROL SYSTEM (5.6L) (DTC/CIRCUIT DIAGNOSIS) (6 OF 9))DTC/CIRCUIT DIAGNOSISDTC P1550: BATTERY CURRENT SENSORDTC LOGICDTC DETECTION LOGIC
2019 Infiniti Q70 3.7 Luxe, AWD

DTC Detection Logic

2019 Infiniti Q70 3.7 Luxe, AWDSECTION DTC Detection Logic
WARNING: This page is about a different variant/trim than selected.

DTC No.

Trouble diagnosis name

(Trouble diagnosis content)

DTC detecting condition

Possible cause

P1550

BAT CURRENT SENSOR

(Battery current sensor circuit range/performance)

The output voltage of the battery current sensor remains within the specified range while engine is running.
  • Harness or connectors

    (Battery current sensor circuit is open or shorted.)

    (Fuel rail pressure sensor circuit is shorted.)

    (Engine oil pressure sensor circuit is shorted.)

    (Manifold absolute pressure sensor circuit is shorted.)

    (Power steering pressure sensor circuit is shorted.)

    [Exhaust valve timing control position sensor (bank 2) circuit is shorted.]

    [TP sensor (bank 2) circuit is open or shorted.]

    [Camshaft position sensor (bank 2) circuit is shorted.]

    (Accelerator pedal position sensor 2 circuit is shorted.)

    (Refrigerant pressure sensor circuit is shorted.)

  • Battery current sensor
  • Fuel rail pressure sensor
  • Engine oil pressure sensor
  • Manifold absolute pressure sensor
  • Power steering pressure sensor
  • Exhaust valve timing control position sensor (bank 2)
  • TP sensor (bank 2)
  • Camshaft position sensor (bank 2)
  • Accelerator pedal position sensor 2
  • Refrigerant pressure sensor
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.