Back to 2021 Ford Mustang Mach-E

2021 FORD MUSTANG MACH-E

Standard Range Dual Motor AWDRWDAUTOMATICev
Repairs0Labor423Torque4167Fluid6DTC581Battery1Maintenance0Recalls0
P1639high severityPowertrain

Vehicle ID Block Corrupted or Not Programmed

on 2021 Ford Mustang Mach-E Standard Range Dual Motor AWD · RWD

What this code means

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

  1. Attempt to reprogram VID block with Ford diagnostic tool
  2. Verify VIN matches between vehicle and PCM
  3. Check for PCM software updates

Repair notes

Reprogram VID block using Ford IDS/FDRS diagnostic tool. Dealer-level equipment typically required.

Other Powertrain codes on this vehicle

Building an app?
Free API access to all this data — 50 requests/day, no card required.
Get an API key →
Run a shop?
Manage repairs, estimates, and customers with ShopBase — $249/mo, all features included.
Try ShopBase →