Ford Mustang 2020 — technical service bulletin
Bulletin SSM 48651 · NHTSA communication 10172989 · issued Mar 19, 2020
Technical service bulletin
communication type
Electrical System
component
2020
model years
1
vehicle entries
Official summary
SSM 48651 - 2020 Mustang - No Start With Steering Lock Malfunction Message And Body Control Module (BCM) DTC B1026 Some 2020 Mustang vehicles may exhibit a no start with a Steering Lock Malfunction message on the Instrument Panel Cluster (IPC) and diagnostic trouble code (DTC) B1026 in the BCM. Prior to following workshop manual (WSM) diagnostics, disconnect the negative battery cable per WSM section 414-01, wait 10 seconds and reconnect. After battery reconnect, cycle the ignition key 3 times and retest for no start, steering lock malfunction message and DTC B1026 in the BCM. If the concern i
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.