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TSB Document:

Affected Component: ELECTRICAL SYSTEM

Summary
This Preliminary information communicates repair information on Service Brake System, Reduced Engine Power, and Speed Limited messages on the DIC.  Along with these messages, a SES MIL will be on and the brake pedal may feel hard.  When checking for DTC's the Brake System Control Module (BSCM) with have set a P0606 and C0021. Dealers are to reprogram the BSCM with updated calibrations to correct the concern.

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Date Published
FEB 26, 2020
NHTSA TSB #
10172333
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