P1844 – CVT Fluid Temperature Sensor (Nissan)

Description

The ECM detected abnormal CVT fluid temperature sensor operation.

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Symptoms

  • Overheating
  • Harsh shifting

Causes

  • Sensor failure
  • Low fluid
  • Wiring issue

Diagnosis

  • Check fluid level
  • Inspect wiring
  • Scan CVT data

Repair

  • Replace sensor
  • Refill fluid