AutoCodes - OBDII Code List - P0840 DODGE

P0840 DODGE - Transmission Fluid Pressure Sensor/Switch 'A' Circuit

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3
Table of contents

P0840 DODGE Possible Causes

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

How do I fix code P0840 DODGE?

Check 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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Cost of diagnosing the P0840 DODGE code

Labor: 1.0

The cost of diagnosing the P0840 DODGE 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.

Possible Symptoms

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

P0840 DODGE Description

The Transmission Control Module (TCM) monitors the Transmission Fluid Pressure Sensor/Switch signal. The TCM sets the OBDII code when the Transmission Fluid Pressure Sensor/Switch is not to factory specifications.
OBDII Code P0840 Dodge - Transmission Fluid Pressure Sensor/Switch 'A' Circuit -

More Information

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