Transmission Range Switch Logic

2004 Oldsmobile Bravada AWDSECTION Transmission Range Switch Logic
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2005 Isuzu Ascender, 2005 GMC Envoy XUV, 2005 GMC Envoy XL, 2005 GMC Envoy, and 2005 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
Transmission Range Switch Logic

Gear Selector Position Signal A Signal B Signal C Signal P
Park (P) LOW HI HI LOW
Reverse (R) LOW LOW HI HI
Neutral (N) HI LOW HI LOW
Drive 4 (OD) HI LOW LOW HI
Drive 3 (3) LOW LOW LOW LOW
Drive 2 (2) LOW HI LOW HI
Drive 1 (1) HI HI LOW LOW
HI = Ignition voltage
LOW = 0 volts
RENDER: 1.0x

NO RELATED

Recommended Tools & Savings

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Affiliate disclosure: We may earn a commission at no extra cost to you.

When to See a Mechanic

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

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.