Engine-Codes - Infiniti - P0840 INFINITI

P0840 INFINITI Code - Transmission Fluid Pressure Sensor 'A'

- Code Popularity: 3,178 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
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|What are the Possible Causes of the P0840 INFINITI Code?

  • Faulty Transmission Fluid Pressure Sensor 'A'
  • Transmission Fluid Pressure Sensor 'A' harness is open or shorted
  • Transmission Fluid Pressure Sensor 'A' poor electrical connection
  • Transmission Valve Body

|How to Fix the P0840 INFINITI Code?

Start by checking the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector's pins.

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|What is the cost to diagnose the P0840 INFINITI code?

Labor: 1.0

The cost to diagnose the P0840 INFINITI code is 1.0 hour of labor. The auto repair's diagnosis time and labor rates vary by location, vehicle's make and model, and even your engine type. Most auto repair shops charge between $75 and $150 per hour.

|What are P0840 INFINITI code possible symptoms?

  • Engine Light ON (or Service Engine Soon Warning Light)

|What Does the P0840 INFINITI Code Mean?

The Transmission Fluid Pressure Sensor 'A' (primary pressure sensor) detects primary pressure of Continuously Variable Transmission (CVT) and sends the Transmission Control Module (TCM) the signal. The Diagnostic Trouble Code (DTC) will set when the TCM detects no signal from the Transmission Fluid Pressure Sensor 'A'.

Transmission Fluid Pressure Sensor 'A'

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