P0940 - Hydraulic Oil Temperature Sensor Circuit High

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3    What is this?
Table of contents

P0940 Possible Causes

  • Faulty Hydraulic Oil Temperature Sensor
  • Hydraulic Oil Temperature Sensor harness is open or shorted
  • Hydraulic Oil Temperature Sensor circuit poor electrical connection

How do I fix code P0940?

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.

Cost of diagnosing the P0940 code

Labor: 1.0

The cost of diagnosing the P0940 code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle's make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.

Possible Symptoms

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

P0940 Description

The Transmission Control Module (TCM) monitors the Hydraulic Oil Temperature Sensor. The TCM sets the OBDII code when the Hydraulic Oil Temperature Sensor is not to factory specifications.
OBDII Code P0940 - Hydraulic Oil Temperature Sensor Circuit High - AutoCodes.com

P0940 More Information

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Information for specific makes

  • P0940 DODGE Hydraulic Oil Temperature Sensor Circuit High

Need more help?

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