P0D91 on the 2024 Mercedes-Benz AMG GT
The bulletins listed name this code in NHTSA's summary, or are about the same components. A bulletin or a recall listed here may apply to the model year. None of it is a diagnosis.
Nobody has written a description of this code yet.
| LI47.70-P-078127 | 2025-05-22. Service bulletin. Complaint Vehicle not AC charging. Check engine light on. PTCU/N127 with fault code P0D9100 "The lock for the charging cable has an open circuit". Cause Possible Software topic. Remedy Please open TIPS case. TIPS case: Needed customer feedback: When did the complaint/IC message occur? While driving and /or charging / or parking? If the complaint occurred while charging, how long after did the complaint/IC message occur? Which charging station was used, which provider (picture if possible)? Attach HV CUL and QT to the case Test: Verify AC charging Erase fault codes and verify if fault code P0D9100 “The lock for the charging cable has an open circuit” returns Check AV of AC charger Check the connection of the charging cable and charging socket and lock actuator – 1) yes or no? – 2) Did the failure disappear or not? Check the connection of the OBC and HV-Harness to the charging socket (unplug and plug again) – 1) yes or no 2) Did the failure disappear or not? Check the LV-connection to the locking actuator on the charging socket (unplug and plug again) – 1) yes or no? 2) any changes? Check the emergency release activation on the locking actuator – was it triggered/pulled out or not? Emergency release should be rotated back in not activated position Check for SW updates for AC charger and PTCU. SW remedy expected to be available 06/2025 |
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| LI47.70-P-078127 | 2024-08-21. Service bulletin. Complaint Vehicle not AC charging. Check engine light on. PTCU/N127 with fault code P0D9100 "The lock for the charging cable has an open circuit". Cause Possible Hardware and/or Software. Investigation is ongoing. Remedy Please open TIPS case. TIPS case: Needed customer feedback: When did the complaint/IC message occur? While driving and /or charging / or parking? If the complaint occurred while charging, how long after did the complaint/IC message occur? Which charging station was used, which provider (picture if possible)? Attach HV CUL and QT to the case Attach picture of label of AC charger to the case Attach screenshot of AV AC charger Provide the results of the test below Test: Verify AC charging Erase fault codes and verify if fault code P0D9100 “The lock for the charging cable has an open circuit” returns Check AV of AC charger |
| LI47.70-P-078127 | 2024-07-31. Service bulletin. Complaint Vehicle not AC charging. Check engine light on. PTCU/N127 with fault code P0D9100 "The lock for the charging cable has an open circuit". Cause Possible Hardware and/or Software. Investigation is ongoing. Remedy Please open TIPS case. TIPS case: Needed customer feedback: When did the complaint/IC message occur? While driving and/or charging? If the complaint occurred while charging, how long after did the complaint/IC message occur? Attach HV CUL and QT to the case Attach picture of label of AC charger to the case Attach screenshot of AV AC charger Provide the results of the test below. Test: Verify AC charging Erase fault codes and verify if fault code P0D9100 “The lock for the charging cable has an open circuit” returns Check AV of AC charger Test with different charging station |
3 on file from NHTSA, as of 2026-10-19. See them in the bulletin list. A bulletin lists model years: read the document for which vehicles it concerns.