The front passenger door will not open on my Cadillac 2003 CTS. The door button will go up and down with the power door locks but it physically will not open. An alternative would be to know how to remove the inside door panel with the door closed to try and release the door.
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Its the BCM mounted on the passenger side valve cover. Yes the body control mod is on the motor. The coil pack starts to fail, then emits a higher then norm electromagnetic fields and takes out the BCM bolted directly on the top of the passenger side coils. Under the column there is a small plastic screw that you remove then push up on the button to release the key.
Jun 2, 2014 - Uploaded by 2LateIWon
How to change a fuel filter on a 2003 Cadillac CTS. ... Lately... my 2007 cadillac CTS (just hit 100,000 miles) tends to shake for may a second if ...
Nope - nothing to do with any of that - mine does it periodically - front door, back doors --- it;s the computer that's running it all. Ive had an STS and a late shape CTS- - beautiful cars but ***** reliability. shame. Anyone want a RHD 3.6??
Check fuse.. Test for power to trunk release solenoid. When door button, or remote trunk release button is pushed. If there is power ( use a 12 volt test light ) most probably faulty release . Hope this helps
Power Door Lock Operation (Front Doors)
The front doors do not have traditional door lock actuators. They have electronically controlled door latches that will operate depending on the status of the door lock system. This status is determined by the front door modules and the last known state of the lock system. If the last known state is LOCK, the latches will not release when the door handles are operated. If the last known state is UNLOCK, the latches will release when the door handles are operated. The front doors are also equipped with red door lock status indicators. The front door modules will supply power and ground to the indicators to illuminate them when the lock system is in a virtual state of lock. The indicators will not continuously illuminate when the vehicle is locked. They will illuminate for approximately 5 seconds after a lock switch activation or after a door handle has been operated and the front door modules are in a virtual state of lock. For further information on the front door latches, refer to Power Door Latch Description and Operation .
I would assume they check for DTC'S - diagnostic trouble codes ?
DTC B3062 Front Door Key Lock Switch Circuit
• DTC B3067 Front Door Key Unlock Switch Circuit
DTC B3849 Exterior Door Handle Switch Circuit
The left front exterior door handle and right front exterior door handle switch signal circuits provide inputs to the driver door module (DDM) and passenger door module (PDM) when an exterior door handle switch is activated. These inputs allow the door module to detect a door open request. The door modules provide voltage to the door handle switches. If the door module detects that a ground is applied for greater than 30 seconds continuously, a DTC is set and the door module will ignore the door handle switch input.
Free wiring diagrams here http://www.bbbind.com/free_tsb.html
Enter vehicle info. year , make , model and engine size . Under system click body & accesories .Then under subsystem click power locks . Click the search button then the blue links