Affected Component: SERVICE BRAKES, HYDRAULIC

Date Published
JAN 02, 2024
NHTSA TSB #
10249493
TSB Document
Summary
Some vehicles may exhibit check engine light turns on with DTC P0504:00 [PCM] (Brake switch circuit problem) stored in memory. This may be caused by the PCM incorrectly reading the brake switch input. To eliminate this concern, the control software of the PCM has been modified.