DTC P1640: Powertrain DTCS Available In Another Module
WARNING: This page does not describe the selected car, but rather 24 other vehicles, including the 2013 Lincoln Navigator, 2013 Lincoln MKZ, 2013 Lincoln MKX, 2013 Lincoln MKT, and 2013 Lincoln MKS. 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 the PCM illuminate the malfunction indicator lamp (MIL) when a failure occurs which affects emissions. | ||
| Possible Causes: | |||
| Diagnostic Aids: | DTCs stored in a secondary module, which requested the MIL to be turned on. | ||
| Application | Key On Engine Off | Key On Engine Running | Continuous Memory |
| All | Refer to the appropriate Description article, Possible Causes and Diagnostic Aids for the DTC. | ||