SSM 51659

Service Bulletin Details

Public Details for: SSM 51659

Some 2023 f-super duty vehicles built on or before 09-may-2023 may exhibit an inoperative four wheel drive system and/or diagnostic trouble code (dtc) C00A1 in the all-wheel drive (awd) module. Prior to beginning diagnostics, inspect ground


- 2023 -

Models from 2023
2023 FORD F-250 SD
2023 FORD F-350 SD
2023 FORD F-450 SD
2023 FORD F-550 SD 
SSM 51659
2023 F-Super Duty – Four-Wheel Drive System Inoperative And/Or DTC
C00A1 In The AWD Module - Built On or Before 09-May-2023
Some 2023 F-Super Duty vehicles built on or before 09-May-2023 may exhibit an inoperative four wheel
drive system and/or diagnostic trouble code (DTC) C00A1 in the all-wheel drive (AWD) module. Prior to
beginning diagnostics, inspect ground location G239 for proper tightness of 6 lb-ft (8 Nm). G239 is
located behind the right-hand side front scuff plate near the body control module (BCM). If ground is
found to be properly tightened, refer to Workshop Manual (WSM) for any additional diagnosis.

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