DTC P1639[AJ (3.0L Duratec)]
id0102a4826600
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DTC P1639 |
PCM Vehicle ID block corrupted or not programmed |
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DETECTION CONDITION
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• No configuration data in PCM.
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POSSIBLE CAUSE
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• Complete configuration has not been completed
• PCM malfunction
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Diagnostic procedure
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STEP |
INSPECTION |
ACTION |
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1
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VERIFY FREEZE FRAME DATA HAS BEEN RECORDED
• Has FREEZE FRAME DATA been recorded?
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Yes
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Go to next step.
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No
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Record FREEZE FRAME DATA on repair order, then go to next step.
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2
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VERIFY RELATED SERVICE INFORMATION AVAILABILITY
• Check for related Service Information and/or on-line Service Information availability.
• Is any related Service Information available?
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Yes
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Perform repair or diagnosis according to available Service Information.
• If vehicle is not repaired, go to next step.
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No
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Perform PCM configuration procedure, then go to next step.
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3
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VERIFY TROUBLESHOOTING OF DTC P1639 COMPLETED
• Make sure to reconnect all disconnected connectors.
• Turn the ignition switch to the ON position (Engine OFF).
• Clear DTC from PCM memory using M-MDS.
• Start engine and warm up it completely.
• Is same DTC present?
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Yes
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Replace PCM, then go to next step.
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No
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Go to next step.
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4
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VERIFY AFTER REPAIR PROCEDURE
• Perform "AFTER REPAIR PROCEDURE".
• Are any DTCs present?
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Yes
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Go to applicable DTC inspection.
(See DTC TABLE[AJ (3.0L Duratec)].)
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No
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Troubleshooting completed.
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