LEMON Manuals: Even more car manuals for everyone
Home >> Ford >> 2009 >> Flex Limited, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1656 (Engine Controls - Powertrain DTC Charts & Descriptions (Except Diesel & Hybrid)) >> DTC Diagnosis >> DTC P1640: Powertrain DTCS Available In Another Module

DTC P1640: Powertrain DTCS Available In Another Module

WARNING: This page does not describe the selected car, but rather 33 other vehicles, including the 2010 Mercury Mountaineer, 2010 Mercury Milan, 2010 Mercury Mariner, 2010 Mercury Grand Marquis, and 2010 Lincoln Town Car. However, it is still accessible from the selected car via links, so may be relevant.
DTC P1640: POWERTRAIN DTCS AVAILABLE IN ANOTHER MODULE

Description:  Vehicles using a secondary engine control module can request that the powertrain control module (PCM) illuminate the malfunction indicator lamp (MIL) when a failure occurs which affects emissions.
Possible Causes: 
  • DTCs stored in a secondary module, which requested the MIL to be turned on
Diagnostic Aids: 
Application  Key On Engine Off  Key On Engine Running  Continuous Memory 
All Refer to the Description, Possible Causes and Diagnostic Aids for the appropriate DTC.
scientia non olet · About LEMON Manuals