DTC P0A1D - Hybrid/EV Powertrain Control Module
DTC DESCRIPTION P0A1D - HYBRID/EV POWERTRAIN CONTROL MODULE
| Description: This DTC sets when the TCM detects an internal serial communications error. | |||
Possible Causes:
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| Diagnostic Aids:
If this DTC is retrieved after an SOBDMC reprogramming procedure, disregard this DTC. 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 Automatic Transmission article. 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 Description, Possible Causes and Diagnostic Aids for the DTC. | ||