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June 30, 2020 Service bulletin

Some 2020 Super Duty vehicles equipped with an 10R140 automatic transmission may exhibit an illuminated...

Ford technical service bulletin SSM 48958 for 2020 Ford F-250 SD, 2020 Ford F-350 SD and 2020 Ford F-550 SD and others.

Bulletin number
SSM 48958
Component
Equipment: electrical
Summary
Some 2020 Super Duty vehicles equipped with an 10R140 automatic transmission may exhibit an illuminated malfunction indicator lamp (MIL) and/or wrench light with diagnostic trouble codes (DTCs) P0715, P0716, P0717, P0718, P07BF and/or P07C0 stored in the powertrain control module (PCM). If any of these DTCs are set, focus diagnostics on the turbine shaft speed sensor (TSS) and/or TSS circuits. Refer to Workshop Manual (WSM), Section 307-01. Replacement of the ISSA or ISSB sensor will not correct this condition.

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