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P1701

Fuel Trim A/T Related

2007-2012 Nissan Altima 2.5L I4

Moderate SeverityPowertrain

Description

Fuel trim signal issue between engine and transmission control systems.

Symptoms

  • CEL
  • Poor shift quality
  • Engine flare during shifts
  • Rough transitions

Common Causes

  • Communication fault
  • Fuel trim out of range
  • Faulty sensor data
  • Faulty ECM or TCM

Diagnostic Steps

  1. Monitor fuel trims
  2. Test communication
  3. Check sensors
  4. Compare ECM/TCM data

Repair Notes

Repair communication or sensor issue.

Other Powertrain Codes

P1701 on Other Vehicles

Common Questions

What does code P1701 mean on a 2007-2012 Nissan Altima?

P1701 stands for "Fuel Trim A/T Related". Fuel trim signal issue between engine and transmission control systems.

What are the symptoms of P1701 on a Nissan Altima?

Common symptoms of P1701 include: CEL, Poor shift quality, Engine flare during shifts, Rough transitions.

What causes P1701 on a 2007-2012 Nissan Altima?

Common causes of P1701 include: Communication fault, Fuel trim out of range, Faulty sensor data, Faulty ECM or TCM.

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