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AutoCodes - Generic - P0865

P0865 Code - TCM Communication Circuit Low

- Code Popularity: 10,782 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
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By AutoCodes.com - Updated May 11, 2019
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|Code P0865 Possible Causes

  • Faulty Transmission Control Module (TCM)
  • Transmission Control Module (TCM) harness is open or shorted
  • Transmission Control Module (TCM) circuit poor electrical connection
  • Faulty Engine Control Module (ECM)

|How do I Fix the Code P0865?

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.

Does your Car have Safety Recalls? → Check here

|What is the Cost to Diagnose the Code P0865?

Labor: 1.0

The cost of diagnosing the P0865 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.

|What are Code P0865 Possible Symptoms?

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

|Code P0865 Description

The Engine Control Module (ECM) monitors the Transmission Control Module (TCM). The ECM sets the OBDII when there is a problem communicating with the TCM.

OBDII Code P0865 - TCM Communication Circuit Low - AutoCodes.com
P0865 Code - TCM Communication Circuit Low

|Need More Information on the P0865 Code?

Need more information on how to fix the P0865 code? Get Access to Factory Service Manuals

|Information for Specific Makes

|Need Help with the P0865 Code?

Get the P0865 code diagnosed by a professional: Find a repair shop in your area

|Code P0865 comments

Help us improve AutoCodes.com. Leave a comment below or tell us if the information above helps you fix the code. What are the symptoms on your vehicle for the P0865 code? Have you replaced any parts?
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