DTC B3033: System Indicates Tamper: Description

1999 Chevrolet Suburban C2500, 6.5 FSECTION Description

This code sets when ignition is active, PASSLOCK(R) signal reported to PASSLOCK(R) module is not within .8-4.3 volts and three consecutive bad key reads (about one second) are detected. System enters tamper mode. If ignition was off, vehicle will not start. If vehicle was running, vehicle will restart, but SECURITY indicator light will remain illuminated.

RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
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  • β€’ You are not confident in the next step or safety outcome.