C1860 - Differential Fluid Overheated

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

C1860 Possible Causes

  • Faulty Differential Fluid Temperature Sensor
  • Differential Fluid Temperature Sensor harness is open or shorted
  • Differential Fluid Temperature Sensor circuit poor electrical connection
  • Faulty Differential Assembly
  • Faulty AWD Control Unit

How do I fix code C1860

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 C1860 code

Labor: 1.0

The cost of diagnosing the C1860 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

  • Anti-Lock Brake System (ABS) Warning Light ON
  • Engine Light ON (or Service Engine Soon Warning Light)

C1860 Description

The AWD Control Unit monitors the Differential Fluid Temperature. The AWD Control Unit sets the OBDII code when the Differential Fluid Temperature is not to factory specifications.
OBDII Code C1860 - Differential Fluid Overheated - AutoCodes.com

C1860 More Information

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