Can a BCM turn on the shift to Park message?
If this condition is present, the BCM will turn on the Shift to Park message and not allow the ignition to turn off, leaving the ignition in Accessory mode.
Why do I get a shift to Park message?
The Shift to Park message may be the result of a build-up of material on the contacts of the Park switch when it is activated in the transmission control (shifter) assembly.
What can I do about intermittent shift to Park?
To reduce the inrush of current that causes the excessive build-up on the contacts, install an in-line shifter wiring harness jumper (Fig. 33) between the shifter base connector and the console harness connector. With the vehicle in Park and the ignition off, remove the transmission control (shifter) lever knob and boot assembly. (Fig. 34)
Why does my Pontiac Grand Prix not start?
26 people found this helpful. When your car starts fine cold, then fails to restart while warm, it is usually a coolant system problem. Either low coolant, or bad coolant level sensor. 26 people found this helpful.
What to do if your Pontiac won’t shift out of Park?
Move the assembly manually by putting the shifter inside the car into neutral and pushing the assembly on the side of the transmission down two notches to get it into the highest gear. This is only a temporary fix that will allow you to drive to a mechanic to get this fixed.
What causes Trac off on a Pontiac Grand Prix?
The “Trac Off” failures are usually a wheel speed sensor which is off the BCM not the ECU. — It seems like it might be a flaky ECU but I’m just guessing. 10 people found this helpful. Have you checked the fuel pressure? Could be ECU as mentioned above or possibly dirty injectors or fuel pump.
Why does my car not shift out of Park?
If your car won’t shift out of park and your shifter, transmission fluid and shifter cable are all in proper working order, there is probably a problem with an internal component of your transmission. Tell the auto shop that your car will not shift out of park.