Cadillac P1791: Accelerator Pedal Position Information Not Received
Is your scanner showing Cadillac P1791?
No worries. We'll show you what it means and how to deal with it.
Cadillac P1791: Accelerator Pedal Position Information Not Received
OVERVIEWWhat Does The Cadillac P1791 Code Mean?
Engine started, system voltage at 8-18v, no other CAN codes set, and the TCM receives no valid accelerator pedal data from the PCM for 2 seconds. The PCM sends accelerator pedal position data to the TCM. The TCM uses this data to modify the shift speeds.
How Can You Fix The Cadillac P1791 Code?
- Perform the Diagnostic System Check for the Engine Controls
- TCM may need to be replaced to repair this trouble code
Recommended Parts
Below are some recommended auto parts to help you address the trouble code affecting your vehicle and get it running smoothly again:
>>> WORKPRO 582-piece Crimp Terminals, Wire Connectors, Heat Shrink Tube, Electrical Repair Kit
>>> GM Genuine Parts 24276411 Transmission Control Module
Note: During the purchasing process, please check carefully whether the part you want to buy fits your car!
Reference Sources
GM, 2013, Service Bullettin – Prior To Any Circuit Testing.
