Transmission Range Switch Logic
WARNING: This page is about a different car, the 2005 GMC Yukon XL, 2005 Chevrolet Suburban, and 2005 Chevrolet Avalanche. 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 |
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