PRE-RELEASE
DTC P0700
| DTC P0700 |
| Diagnostic Instructions |
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Perform the
Diagnostic System Check - Vehicle
prior to using this diagnostic procedure.
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Review
Strategy Based Diagnosis
for an overview of the diagnostic approach.
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Diagnostic Procedure Instructions
provides an overview of each diagnostic category.
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| 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 |
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The ignition is ON.
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DTC P0700 runs continuously.
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| 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
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Circuit Testing
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Connector Repairs
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Testing for Intermittent Conditions and Poor Connections
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Wiring Repairs
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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 | ||
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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.
