It is a safety system to prevent vehicles with automatic transmissions from being put into gear with out first depressing the break peddle. It prevent the vehicle from lurching forward or reverse when placing the vehicle into gear.
Short to ground on the shift interlock system?
where is the shift interlock selenoid located on a 2001 chevy malibu
where is shift interlock switch for ford exredition 1998
Brake - Shift Interlock
The gear shift on a 2003 Trailblazer may be stuck in park due to a malfunctioning brake light switch, which prevents the shift interlock system from releasing. Additionally, issues with the transmission range sensor or a faulty shift cable could contribute to this problem. A blown fuse related to the shift interlock system might also be the cause. Lastly, if the vehicle's battery is weak or dead, it can affect the electronic components involved in shifting gears.
Check brake lights--if they do not work shift interlock will not release
You take off the brakes and repair the interlock shock by buying a new one DDDDDDDDDDDDuhhh
Check to see if stop lights are working Shift interlock and stoplight circuit are common Check fuses Check alignment of interlock switch at top of brake pedal Try turning key to 1st position (unlock) shift to neutral to start and then shift to Drive
Should be the same as the stop light fuse
Might be a problem with the brake/transmission interlock switch
See the link below and click on Owner Guides.The Owner Guide ( which includes the brake-shift interlock instructions starting on page 210 ) can be viewed online.
If your 1998 Volvo S90 won't shift into park and does not start in neutral, it may indicate an issue with the shift interlock system or the transmission linkage. Check for any obstructions or damage to the gear selector mechanism. Additionally, ensure that the brake pedal is fully depressed when trying to shift gears, as this can affect the interlock system. If the problem persists, consider consulting a mechanic for further diagnosis.