Conditions Which May Cause a BLANK PRNDL
WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
The PRNDL display may be blank under the following conditions:
- Failure of the PNP switch circuits A, B, C, or P
- The PNP switch is out of adjustment.
- The PNP switch is damaged.
The transmission will command the most appropriate range, based on reverse pressure switch and the remaining PNP switch inputs.