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Home >> Ford >> 2000 >> Contour SE, 2.5 L, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 765 (Engine Controls - Powertrain DTC Charts & Description (Except Diesel & Hybrid)) >> Diagnostic Trouble Code (DTC) Charts And Descriptions >> 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 32 other vehicles, including the 2005 Mercury Sable, 2005 Mercury Mountaineer, 2005 Mercury Monterey, 2005 Mercury Montego, and 2005 Mercury Mariner. However, it is still accessible from the selected car via links, so may be relevant.
P1640 - POWERTRAIN DTCS AVAILABLE IN ANOTHER MODULE

Description:  Vehicles using a secondary engine control module can request that the powertrain control module (PCM) illuminates 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 DTC.
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