TSB Document:

Affected Component: ELECTRICAL SYSTEM

Summary
Some 2015-2020 Edge, 2016-2018 MKX, and 2019-2020 Nautilus vehicles may exhibit the parking lamps stay on and/or the trailer lights flicker with vehicle turned off when a trailer is connected to the vehicle. This may be due to the software in the trailer module (TRM). To correct the condition, reprogram the TRM with the latest software of the appropriate Ford diagnostic scan tool. Use causal part 19H332 and applicable labor times from Section 10 of the Service Labor Time Standards (SLTS) Manual.

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Date Published
SEP 14, 2020
NHTSA TSB #
10180392
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