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Home >> Dodge and Ram >> 2012 >> Challenger V6-3.6L >> Repair and Diagnosis >> Transmission and Drivetrain >> Automatic Transmission/Transaxle >> Shift Interlock >> Description and Operation >> Brake/Transmission Shift Interlock Mechanism - Description
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Brake/Transmission Shift Interlock Mechanism - Description






DESCRIPTION

NOTE: Some shifter assemblies may have a small external trim cover to actuate the Brake Transmission Shifter/Ignition Interlock (BTSI).














The Brake Transmission Shifter/Ignition Interlock (BTSI) is an electronically operated system that prevents the transmission gear shifter from being moved out of PARK without the proper driver inputs. The system contains a solenoid that is integral to the shifter assembly. The solenoid permits shifter movement out of PARK when the brake is depressed and prevents shifter movement into REVERSE unless a shift into REVERSE is permitted.

A BTSI override (2) is provided on the side of the shifter mechanism (1) to allow the vehicle to be shifted out of PARK in the event of an electrical failure.

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