Vehicle ID Block Corrupted or Not Programmed
2002-2005 Ford Explorer 4.6L V8 🇨🇦
Description
The Vehicle Identification (VID) block in the PCM is corrupted or has not been programmed. The VID block contains critical vehicle configuration data.
Symptoms
- Check Engine Light
- Vehicle may not start
- Various systems may not function correctly
- Emissions monitors may not run
Common Causes
- New PCM installed without VID programming
- PCM memory corruption
- Failed PCM programming procedure
- Battery disconnected during programming
Diagnostic Steps
- Attempt to reprogram VID block with Ford diagnostic tool
- Verify VIN matches between vehicle and PCM
- Check for PCM software updates
Repair Notes
Reprogram VID block using Ford IDS/FDRS diagnostic tool. Dealer-level equipment typically required.
Other Powertrain Codes
- P0001Fuel Volume Regulator Control Circuit/Open
- P0001Fuel Volume Regulator Control Circuit/Open
- P0001Fuel Volume Regulator Control Circuit/Open
- P0002Fuel Volume Regulator Control Circuit Range/Performance
- P0002Fuel Volume Regulator Control Circuit Range/Performance
- P0002Fuel Volume Regulator Control Circuit Range/Performance
- P0003Fuel Volume Regulator Control Circuit Low
- P0003Fuel Volume Regulator Control Circuit Low
- P0003Fuel Volume Regulator Control Circuit Low
- P0004Fuel Volume Regulator Control Circuit High
P1639 on Other Vehicles
Common Questions
What does code P1639 mean on a 2002-2005 Ford Explorer?
P1639 stands for "Vehicle ID Block Corrupted or Not Programmed". The Vehicle Identification (VID) block in the PCM is corrupted or has not been programmed. The VID block contains critical vehicle configuration data.
What are the symptoms of P1639 on a Ford Explorer?
Common symptoms of P1639 include: Check Engine Light, Vehicle may not start, Various systems may not function correctly, Emissions monitors may not run.
What causes P1639 on a 2002-2005 Ford Explorer?
Common causes of P1639 include: New PCM installed without VID programming, PCM memory corruption, Failed PCM programming procedure, Battery disconnected during programming.