Engine-Codes -
Generic -
P0864
P0864 - TCM Communication Circuit Range/Performance
Table of contents
P0864 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 is the P0864 code repair?
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.What is the cost to diagnose the P0864 code
Labor: 1.0
The cost to diagnose the P0864 code is 1.0 hour of labor. The auto repair labor rates vary widely across the country, and even within the same city. Most auto repairs shops charge between $75 and $150 per hour.
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Possible Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
P0864 Meaning
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.More Information
Need more information on how to fix the P0864 code?Get Access to Factory Service Manuals
Information for specific makes
- P0864 AUDI TCM Communication Circuit Range/Performance
- P0864 DODGE TCM Communication Circuit Range/Performance
- P0864 VOLKSWAGEN TCM Communication Circuit Range/Performance