C00A6 on the 2021 Lincoln Aviator
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.
| TSB 25-2568 V2 | 2026-10-01. Service bulletin. This article supersedes TSB 25-2373 to update a print error on publication. Some vehicles listed in the model statement above may exhibit an illuminated powertrain malfunction (wrench) indicator with diagnostic trouble codes (DTCs) C00A6 and/or C0631. This may be due to the front axle disconnect actuator/intermediate shaft. |
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| TSB 25-2568 | 2026-01-13. Service bulletin. This article supersedes TSB 25-2373 to update a print error on publication. Some vehicles listed in the model statement above may exhibit an illuminated powertrain malfunction (wrench) indicator with diagnostic trouble codes (DTCs) C00A6 and/or C0631. This may be due to the front axle disconnect actuator/intermediate shaft. |
| TSB 25-2373 | 2025-09-03. Service bulletin. This article supersedes TSB 23-2174 to update the Service Procedure, Part List and adding an additional labor operation. Some vehicles listed in the model statement above may exhibit an illuminated powertrain malfunction (wrench) indicator with diagnostic trouble codes (DTCs) C00A6 and/or C0631. This may be due to the front axle disconnect actuator/intermediate shaft. |
| SSM 52152 | 2024-01-02. Service bulletin. Some 2020-2023 Explorer/Aviator vehicles equipped with all-wheel drive (AWD) may exhibit an illuminated powertrain malfunction (wrench) indicator and/or 4WD Fault Service Required message with diagnostic trouble codes (DTCs) C00A6:71, C00A6:74, C00A6:99, C00A7:11, C00A7:13, C00A8:11, and/or C00A8:13 present in the AWD module. This may be due to a damaged wiring harness rubbing against the underbody heat shield where it routes over and into the transfer case actuator motor. Inspect the wire harness for damage and repair as necessary following the procedures in the Wiring Diagram Manual. If no damage is found, continue with normal diagnostics. |
| TSB 23-2174 | 2023-08-02. Service bulletin. Some 2020-2021 Explorer/Aviator vehicles equipped with all-wheel drive (AWD) built on or before 30-Aug-2021 may exhibit an illuminated powertrain malfunction (wrench) indicator with diagnostic trouble codes (DTC) C00A6 and/or C0631. This may be due to the front axle disconnect actuator/intermediate shaft. To correct the condition, follow the Service Procedure to replace the front axle disconnect actuator/intermediate shaft with a revised intermediate shaft. |
| TSB 23-2114 | 2023-05-04. Service bulletin. Some 2020-2021 Explorer/Aviator vehicles equipped with all-wheel drive (AWD) built on or before 30-Aug-2021 may exhibit an illuminated powertrain malfunction (wrench) indicator with diagnostic trouble codes (DTC) C00A6 and/or C0631. This may be due to the front axle disconnect actuator/intermediate shaft. To correct the condition, follow the Service Procedure to replace the front axle disconnect actuator/intermediate shaft with a revised intermediate shaft. |
| SSM 50504 | 2022-02-23. Service bulletin. Some 2020-2022 Explorer/Aviator vehicles equipped with all-wheel drive (AWD) may exhibit an illuminated stability-traction control and/or powertrain malfunction warning indicators with diagnostic trouble codes (DTCs) C00A8:11, C00A8:13, C00A6:71, C00A6:74, and C00A6:99 present in the AWD module. This may be due to a damaged wiring harness rubbing against the underbody heat shield where it routes over and into the transfer case actuator motor. Inspect the wire harness for damage and repair as necessary following the procedures in the Wiring Diagram Manual. If no damage is found, continue with normal diagnostics. |
| SSM 49669 | 2021-03-31. Service bulletin. 2020-2021 Explorer/Aviator vehicles equipped with all-wheel drive (AWD) may exhibit an illuminated AWD indicator with diagnostic trouble code (DTC) C00A6:07, C00A6:18, C00A6:19, C00A6:4B, C00A6:66, C00A6:71, C00A6:74, and/or C00A6:99. It may not be necessary to replace the transfer case clutch actuator. Follow the updated transfer case clutch actuator Pinpoint Tests in the Workshop Manual (WSM), Section 308-07A for 2020 vehicles and Section 307-07A for 2021 vehicles. |
8 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.