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Home >> Lincoln >> 2018 >> MKZ Select, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 4 (Engine Controls - Powertrain DTC Charts & Descriptions (Hybrid)) >> Diagnostic Trouble Code (DTC) Charts And Descriptions >> DTC P0A1D - Hybrid/EV Powertrain Control Module
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DTC P0A1D - Hybrid/EV Powertrain Control Module

WARNING: This page is about a different variant/trim than selected.
P0A1D - HYBRID/EV POWERTRAIN CONTROL MODULE

Description:  This DTC sets when the TCM detects an internal serial communications error.
Possible Causes: 
  • Software incompatibility issue
  • Damaged TCM
Diagnostic Aids:  Verify the SOBDMC is at the latest calibration level. Clear the SOBDMC DTCs. Repeat the self-test. If the DTC is retrieved again, install a new TCM. Refer to the appropriate Automatic Transmission article. Refer to FLASH ELECTRICALLY ERASABLE PROGRAMMABLE READ ONLY MEMORY (EEPROM) , Programming the TRID Block for a Replacement TCM.
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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