TruckCodeLookup

Sign in
P0700Cars & SUVs
Moderate

P0700 — Transmission control system malfunction

Generic code meaning the transmission control module (TCM) logged an internal fault. Pull the specific transmission codes (P07xx) to find the root cause.

Ad — development mode

320 × 50 — Mobile

Google AdSense

Likely causes

  • Untreated specific transmission code (P0730, P0741, etc.)
  • Low or degraded transmission fluid
  • Communication problem between the ECM and TCM

Ad — development mode

320 × 50 — Mobile

Google AdSense

Recommended checks

  1. 1

    Read specific transmission codes with an advanced scan tool

  2. 2

    Check ATF level, color, and smell

  3. 3

    Inspect transmission harness connectors

Ad — development mode

320 × 50 — Mobile

Google AdSense

Parts to replace