P0A1D - Hybrid/EV Powertrain Control Module - DTC Chart
P0A1D - HYBRID/EV POWERTRAIN CONTROL MODULE - DTC CHART
| Description: This DTC sets when the TCM detects an internal serial communications error. |
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Possible Causes:
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| 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 service information , Automatic Transmission. Refer to FLASH ELECTRICALLY ERASABLE PROGRAMMABLE READ ONLY MEMORY (EEPROM) , Programming the TRID Block for a Replacement TCM. |
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| Application | Key On Engine Off | Key On Engine Running | Continuous Memory |
| All | Refer to the service information Description, Possible Causes and Diagnostic Aids for the DTC. | ||