Cadillac Escalade P0123: TPS “A” Circuit → High Input

  P0123 is a relatively common OBD-II code.  It’s generic, which means it has the same meaning for the Cadillac Escalade as it would any other vehicle. It’s an OBDII code that references issues with the Throttle Position Sensor (TPS). It is relatively serious problem since it can leave your vehicle stranded or severely limited. The … Read more

Cadillac Escalade P0327: Knock Sensor → Low input

  P0327 is a powertrain related OBD-II trouble code. It has the same meaning for the Cadillac Escalade as it would any other vehicle. By definition, P0327 means that the vehicles ECM/PCM is getting a signal that is lower than the defined operational range. Clearing this code typically requires a new knock sensor or correcting … Read more

Cadillac Escalade: Door Ajar Warning Stays On

  Your Cadillac Escalade’s door ajar message can help you get a door all the way closed when you otherwise wouldn’t notice when it was open.  Over the life of the vehicle, it is possible for the door ajar warning to stay on even when the doors are, in fact, not ajar.   The door … Read more