Originally posted by horseydug:
Originally posted by RoadRunner:
Simon,
Have you checked for any DTC codes ?
If battery has been disconnected there would be no codes.
NOT TRUE...
Once you connect the battery and turn the key to the ON position,
there are several KOEO (Key On Engine Off) tests that your PCM runs through.
If any of these tests fail, it could provide leads to short
or open circuits, or mismatched sensors.
ANY TIME you apply power to the PCM, it runs its own diagnostics.
What do you think OBD stands for ?
On Board Diagnostics.
