P0700

DTC P0700

Diagnostic Instructions
^ Perform the [Diagnostic System Check - Vehicle Diagnostic Information] prior to using this diagnostic procedure. Diagnostic System Check - Vehicle Diagnostic Information
^ Review [Strategy Based Diagnosis] for an overview of the diagnostic approach. Strategy Based Diagnosis
^ [Diagnostic Procedure Instructions - Vehicle Diagnostic Information] provide an overview of each diagnostic category. Diagnostic Procedure Instructions - Vehicle Diagnostic Information

DTC Descriptor
DTC P0700 Transmission Control Module (TCM) Requested MIL Illumination

Circuit/System Description
This diagnostic trouble code (DTC) indicates that an emission related transmission DTC set in the transmission control module (TCM). 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 will display the transmission DTC that set.

Conditions for Running the DTC
^ The ignition is ON or the engine is operating.
^ DTC P0700 runs continuously.

Conditions for Setting the DTC
The ECM receives a serial data message, from the TCM, in order to illuminate the MIL.

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.

Circuit/System Verification

NOTE: Correct any Engine Controls DTCs before diagnosing TCM DTCs.

DTC P0700 is an informational DTC. If there are no Engine Controls DTCs, refer to [Diagnostic Trouble Code (DTC) List - Vehicle Diagnostic Information] for diagnosis of TCM DTCs. Diagnostic Trouble Code (DTC) List - Vehicle