What are the common causes of P0764?

A solenoid C connector losing contact. Chafed wiring in the harness. A solenoid C coil failing when hot. Dirty fluid carrying debris. A TCM fault.

Road test and watch shift solenoid C data. Wiggle test the connector and harness. Measure the solenoid C resistance hot. Check the fluid level and condition. Replace the solenoid if the signal drops. Clear the code and retest.

P0764

Shift Solenoid C Intermittent

System: Transmission (P code)
Lamp: Check Engine Light
Category: Powertrain - Transmission

What it means

P0764 means Shift Solenoid C Intermittent.

Where it lives

For P0764, the description names the solenoid as the part involved.

Check these first

A solenoid C connector losing contact
Chafed wiring in the harness
A solenoid C coil failing when hot
Dirty fluid carrying debris
A TCM fault

What to do next

Road test and watch shift solenoid C data
Wiggle test the connector and harness
Measure the solenoid C resistance hot
Check the fluid level and condition
Replace the solenoid if the signal drops
Clear the code and retest

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Updated

Generic SAE J2012 definition. Last updated 2026-10-10.