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Home >> Ford >> 2018 >> Transit-350 Base, Van Cargo Extended, 3.5L Eng VIN G >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 5 (Engine Controls - Powertrain DTC Charts & Descriptions (Diesel)) >> Diagnostic Trouble Code (DTC) Charts And Descriptions >> DTC P0691 - Fan 1 Control Circuit Low

DTC P0691 - Fan 1 Control Circuit Low

WARNING: This page is about a different variant/trim than selected.
P0691 - FAN 1 CONTROL CIRCUIT LOW

Description:  This DTC sets when the PCM detects a short to ground on the FCV circuit.
Possible Causes: 
  • FCV circuit short to ground
  • Damaged cooling fan
Diagnostic Aids:  Check the FCV circuit for a short to ground.
Application  Key On Engine Off  Key On Engine Running  Continuous Memory 
All GO to PINPOINT TEST AH .