in dash "P R N D 2 1" all are selected??
#11
Disconnect battery, disconnect transmission 23-way connector (drivers side next to linkage) then spray it out with "wire-dry" or similar electrical contact spray.. wait a few minutes, then reconnect everything and then tsee if it fixes it. I had the same problem after removing the valve body from the trans, the connector was dirty and not connected properly, the truck would not start and had all the in dash gears selected with the squares around it... it might work, might not, but it only takes a few minutes to try...
Also, the thought came across my mind - did you try pulling the battery for a sec just to reset everything to see if that had an effect first? It would be nice to know if you actually isolated that problem to a bad connection at that connector. If not it may have just been coincidental that you disconnected the battery and cleaned the connection at the same time.
#12
#13
Disconnect battery, disconnect transmission 23-way connector (drivers side next to linkage) then spray it out with "wire-dry" or similar electrical contact spray.. wait a few minutes, then reconnect everything and then tsee if it fixes it. I had the same problem after removing the valve body from the trans, the connector was dirty and not connected properly, the truck would not start and had all the in dash gears selected with the squares around it... it might work, might not, but it only takes a few minutes to try...
The following users liked this post:
Emmanuel Drappier (01-19-2020)
#14
I think the trick is:
hold the tripometer button, and turn the ignition on- but don't hit the starter..
watch your cluster.. it will go through a series of tests for chassis codes (ccodes).. hopefully, it isolates an issue for you.. and is a good place to start.. the codes start with C, and aren't to be confused with P codes....
hold the tripometer button, and turn the ignition on- but don't hit the starter..
watch your cluster.. it will go through a series of tests for chassis codes (ccodes).. hopefully, it isolates an issue for you.. and is a good place to start.. the codes start with C, and aren't to be confused with P codes....
#16
Hey this was a simple ground issue which seems to be the most common other than a weak battery. The ground straps on the trucks commonly corrode and tear. Also the terminal ends of the grounds wires get surface corrosion and no longer ground properly. Make sure you have good grounds from battery to chassis, chassis to motor, etc. If someone looks under the hood while you start the truck you may see some sparks/arcing due to the bad grounds. This is the simplest fix besides checking the battery. Bad BCM isn't very common.
The following users liked this post:
Emmanuel Drappier (01-19-2020)
#17
#18
The following users liked this post:
Emmanuel Drappier (01-19-2020)
#19
#20
The following users liked this post:
Emmanuel Drappier (01-19-2020)