OBD Guide

P0700

Transmission Control System (MIL Request)

P0700 is an OBD-II diagnostic trouble code meaning: Transmission Control System (MIL Request). Common causes: low transmission fluid level, shift solenoids malfunction. Estimated repair cost: $17–167.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$17–167 (est.)

Symptoms

  • Check Engine Light Is On
  • Unusual transmission behavior
  • Difficulty shifting gears
  • Switching to emergency mode
  • Reduced engine power

Causes

  • Low transmission fluid level
  • Shift solenoids malfunction
  • Problems with speed sensors
  • Transmission control module (TCM) malfunction
  • Damage to wiring or connectors

How to Fix

  1. Check the level and condition of the transmission fluid
  2. Read additional trouble codes from TCM
  3. Check the condition of the wiring and connectors
  4. Test shift solenoids
  5. If necessary, replace the transmission control module

Related codes

Error P0700 by Vehicle Brand

FAQ

What does the P0700 code mean?

P0700 is an OBD-II diagnostic trouble code that indicates: Transmission Control System (MIL Request)

What causes a P0700 error code?

The most common causes of P0700 include: Low transmission fluid level; Shift solenoids malfunction; Problems with speed sensors; Transmission control module (TCM) malfunction.

How do I fix a P0700 diagnostic trouble code?

To fix P0700: Check the level and condition of the transmission fluid. Read additional trouble codes from TCM. Check the condition of the wiring and connectors. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P0700?

Limited driving only, diagnose soon

How much does it cost to fix P0700?

The estimated repair cost for P0700 is $17–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat