LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Ford >> 2012 >> Transit Connect Base, Van Cargo >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Powertrain DTC Charts & Descriptions (Except Diesel & Hybrid) >> DTC Diagnosis >> DTC P1674: Control Module Software Corrupted
April 5, 2026: LEMON Manuals is launched! Read the announcement.

DTC P1674: Control Module Software Corrupted

P1674 - CONTROL MODULE SOFTWARE CORRUPTED

Description:  Indicates an error occurred in the PCM. This DTC sets in combination with P2105.
Possible Causes  :
  • Software incompatibility issue
  • Damaged PCM
Diagnostic Aids:  Verify the PCM is at the latest calibration level.
Application  Key On Engine Off  Key On Engine Running  Continuous Memory 
All GO to PINPOINT TEST QE .
scientia non olet · About LEMON Manuals