P0700

Transmission Control System Malfunction (MIL Request)

Q: What does fault code P0700 mean?

Transmission Control System Malfunction (MIL Request). TCM detected a fault and requested the check engine light. Additional transmission codes should be present.

Q: What are the symptoms of P0700?

CEL; Possible shift issues, limp mode, harsh shifts

Q: What are the possible causes of P0700?

Any TCM fault (solenoids, sensors, pressure, mechanical); Wiring; Low/dirty fluid

Q: How to fix P0700?

Scan for additional P07xx/P08xx codes; Check fluid level and condition; Diagnose specific TCM code

Severity: High Transmission Generic OBD-II Code Est. Repair: Varies widely

High severity. Avoid long drives and get diagnosed as soon as possible. Flashing check engine light = stop driving if safe.

What Does P0700 Mean?

TCM detected a fault and requested the check engine light. Additional transmission codes should be present.

Common Symptoms

CEL

Possible shift issues, limp mode, harsh shifts

Possible Causes

Any TCM fault (solenoids, sensors, pressure, mechanical)

Wiring

Low/dirty fluid

How to Fix P0700 – Repair Guide

Scan for additional P07xx/P08xx codes

Check fluid level and condition

Diagnose specific TCM code

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Disclaimer: Information is for educational reference only and does not replace professional diagnosis. Actual causes and costs vary by vehicle make, model, year and condition. Always verify with a qualified technician.