GM PID's for Gear, Indicate P/N/R

Hey everyone,
I know the GM PID for Actual gear, but I can't seem to find a PID that would indicate if the vehicle was in Park, Neutral, or Reverse. I imagine Park and Neutral would have some kind of signal since it would trigger the neutral safety switch function.

I know I could just wire in an LED, at least for Reverse, but I am hoping to get everything (or as much as I can) displayed on the Tablet I am using for a dashboard.

I've tried to dig up a complete PID list with description for GM ECU's, specifically LS-type truck and car ECU's/PCM's, but no luck as of yet.

Thanks

Quote:

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Originally Posted by skyphix

Hey everyone,
I know the GM PID for Actual gear, but I can't seem to find a PID that would indicate if the vehicle was in Park, Neutral, or Reverse. I imagine Park and Neutral would have some kind of signal since it would trigger the neutral safety switch function.

I know I could just wire in an LED, at least for Reverse, but I am hoping to get everything (or as much as I can) displayed on the Tablet I am using for a dashboard.

I've tried to dig up a complete PID list with description for GM ECU's, specifically LS-type truck and car ECU's/PCM's, but no luck as of yet.

Thanks

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Old post but might help someone.

Not the PID, but I have captured data on the GMLAN High Speed canbus. The message ID 0x1F5 broadcasts the PRNDL gear selector status (byte 4)

eg
1F5 0F0F000100000300 = Park
1F5 0F0F000200000300 = Reverse
1F5 0F0F000300000300 = Neutral
1F5 0F0F000400000300 = Drive

x2.
I also would like to know if there is a GM PID's for Gear, Indicate P/N/R

just copied from my dbc:

TransEstGear
15 "Park Gear" 14 "Reverse Gear" 13 "Neutral Gear" 12 "CVT Forward Gear" 8 "Eighth Gear" 7 "Seventh Gear" 6 "Sixth Gear" 5 "Fifth Gear" 4 "Fourth Gear" 3 "Third Gear" 2 "Second Gear" 1 "First Gear" 0 "Not Supported"

messahe 0x1F5 byte0 starbit 3 lenght 4