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DTC P0700

DTC P0700

Diagnostic Instructions


• Perform the Diagnostic System Check - Vehicle prior to using this diagnostic procedure.

• Review Strategy Based Diagnosis for an overview of the diagnostic approach.

• Diagnostic Procedure Instructions provides an overview of each diagnostic category.


DTC Descriptor

DTC P0700

Transmission Control Module Requested MIL Illumination

Circuit/System Description

This DTC indicates that the transmission control module (TCM) has triggered an emission-related trouble code. The engine control module (ECM) receives the TCM information over the serial data circuit. The ECM turns ON the malfunction indicator lamp (MIL) when the TCM sends a message over the serial data circuit requesting MIL illumination. The DTC information for the ECM will only display DTC P0700, but the Freeze Frame/Failure Records data can display the transmission DTC that is set.

Conditions for Running the DTC


• The ignition is ON.

• DTC P0700 runs continuously.


Conditions for Setting the DTC

The TCM is requesting MIL illumination.

Action Taken When the DTC Sets

DTC P0700 is a Type A DTC.

Conditions for Clearing the DTC

DTC P0700 is a Type A DTC.

Reference Information

Schematic Reference

Automatic Transmission Controls Schematics

Connector End View Reference

Component Connector End Views

Electrical Information Reference


• Circuit Testing

• Connector Repairs

• Testing for Intermittent Conditions and Poor Connections

• Wiring Repairs


Description and Operation

Transmission Component and System Description

DTC Type Reference

Powertrain Diagnostic Trouble Code (DTC) Type Definitions

Scan Tool Reference

Control Module References for scan tool information

Circuit/System Verification

Note

Correct any engine controls DTCs before diagnosing TCM DTCs.


DTC P0700 is an informational diagnostic trouble code. If there are no engine controls DTCs, refer to Diagnostic Trouble Code (DTC) List - Vehicle for diagnosis of TCM DTCs.