P0700

DTC P0700

Diagnostic Instructions

* Perform the Diagnostic System Check - Vehicle (Diagnostic System Check - Vehicle) prior to using this diagnostic procedure.
* Review Strategy Based Diagnosis (Strategy Based Diagnosis) for an overview of the diagnostic approach.
* Diagnostic Procedure Instructions (Diagnostic Procedure Instructions) provides an overview of each of the diagnostic category.

DTC Descriptor
DTC P0700
- Transmission Control Module Requested MIL Illumination

Circuit/System Description

The transmission control module (TCM) uses the serial data network to signal the engine control module (ECM) that the TCM is requesting malfunction indicator lamp (MIL) illumination. A DTC is set in the TCM and the request for MIL illumination is sent when the TCM has determined that a failure that affects emissions has occurred in the transmission control system. When the ECM receives the message from the TCM, DTC P0700 will set in the ECM.

Conditions for Running the DTC

The ignition is ON.

Conditions for Setting the DTC

The transmission control module is requesting MIL illumination.

Action Taken When the DTC Sets

* DTC P0700 is a Type A DTC.
* DTC P0700 will continue to be current or active as long as the TCM is requesting MIL illumination.

Conditions for Clearing the MIL/DTC

DTC P0700 is a Type A DTC.

Reference Information
DTC Type Reference

Powertrain Diagnostic Trouble Code (DTC) Type Definitions (Powertrain Diagnostic Trouble Code (DTC) Type Definitions)

Repair Instructions

Perform the Diagnostic Repair Verification (Verification Tests) after completing the diagnostic procedure.

Refer to Diagnostic Trouble Code (DTC) List - Vehicle (Diagnostic Trouble Code (DTC) List - Vehicle) to repair the DTCs set in the TCM.