DTC P0630
DTC P0630 |
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 P0630 00
VIN Not Programmed or Mismatched - Engine Control Module (ECM)
Circuit/System Description |
This DTC sets when the engine control module (ECM) has determined that the vehicle identification number (VIN) is not stored in the ECM memory. When the ECM is replaced, the VIN must be programmed into the ECM memory.
Conditions for Running the DTC |
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The ignition is ON.
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The DTC runs continuously once the above condition is met.
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Conditions for Setting the DTC |
The ECM detects that no VIN is stored in memory.
Action Taken When the DTC Sets |
DTC P0630 is a type A DTC.
Conditions for Clearing the DTC |
DTC P0630 is a type A DTC.
Diagnostic Aids |
Some diagnostics will not run when the MIL is illuminated and DTC P0630 is set. Always program the VIN to the engine control module immediately after replacement.
If there are difficulties programming the VIN, ensure that all connections to the ECM and equipment are correct. Ensure that the latest software is installed and all programming procedures are performed correctly.
Reference Information |
Connector End View Reference
Component Connector End Views
Description and Operation
Engine Control Module Description
DTC Type Reference
Powertrain Diagnostic Trouble Code (DTC) Type Definitions
Scan Tool Reference
Control Module References
Circuit/System Verification |
1. |
Ignition ON, observe the Vehicle Information with a scan tool. The VIN information should match the vehicles VIN. |
2. |
If a VIN is not displayed, program the VIN with a scan tool.
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3. |
Operate the vehicle within the Conditions for Running the DTC to verify the DTC does not reset. You may also operate the vehicle within the conditions that you observed from the Freeze Frame/Failure Records data.
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Repair Instructions |
Perform the Diagnostic Repair Verification after completing the diagnostic procedure.
Control Module References