DATE: July 18, 2003
THIS BULLETIN SUPERSEDES TECHNICAL SERVICE BULLETIN 08-041-00, DATED DEC. 15, 2000, WHICH SHOULD BE REMOVED FROM YOUR FILES. ALL REVISIONS ARE HIGHLIGHTED WITH **ASTERISKS**. THE REVISION ADDS 2002 AND 2003 VEHICLES AND REVISES THE PARTS TABLE.
Intermittent Locking/Unlocking Of Doors Without Activating The Power Door Lock Switch
This bulletin involves installing new door/liftgate lock cylinder switches.
**2000 - 2003** (AB) Ram Van/Wagon **2000 - 2003** (AN) Dakota **2000 - 2002** (BR/BE) Ram Truck **2000 - 2003** (DN) Durango
:THIS BULLETIN APPLIES TO VEHICLES EQUIPPED WITH VEHICLE THEFT SECURITY SYSTEM (SALES CODE LSA).
The door locks will intermittently lock and/or unlock without any activation of the power door lock switch or a clicking sound may be heard coming from the power door locks (repeated locking or repeated unlocking). The condition may occur more frequently in damp conditions such as driving the vehicle in the rain or taking the vehicle through a car wash.
Vehicles that demonstrate this condition may have water weeping into the door/liftgate lock cylinder switches causing the switch to intermittently short across the internal circuit. This in turn may signal the Central Timer Module (CTM) to activate the power door locks. Because of the nature of this problem, it is extremely difficult to diagnose this condition. Therefore, customers that indicate their doors intermittently lock and unlock without having the door lock switch activated or customers that indicate they hear a repeated clicking noise coming from the door locks should have the Repair Procedure performed on their vehicle.
This TSB may help with the door lock problem, the Durangos also have problems with water leaking into the B-pillar (between front and rear doors) across the top of the door and down into the kick panel getting water in the Central Timer Module (CTM) causing issues.
This can be hard to track down as there will be no signs of water after it dries, sometimes you can take the CTM out and remove the cover and see where water has run across the circuit board.
As far as the cruise goes, I am not leaning towards the clockspring. The reason is this, if I understand you correctly you wer driving down the road and the cruise just quit. We know you were not getting power to the servo. The switch that turns the cruise on and off is not like a light switch that provides a mechanical connection for current to flow through. When you press the button it sends a voltage signal to the PCM for as long as you have the button depressed. The PCM sees this voltage and internally switches on the power to the servo. If you have power on the yellow /red wire and nothing to the servo the only thing between these to points is the brake switch. You also stated it started working again after you checked the brake switch. Try wiggling the connector at the brake switch and see if it starts working again. It could be a clockspring, it is a common problem, it just doesn't fit with the lack of power at the servo.