Question about 1993 Ford Econoline

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Power door lock going crazy

The power door locks lock and unlock with out touch the switch. The remote will also lock the doors but the just pop unlock a few seconds later. They seem to have a mind of there own. What could be the problem?

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  • Anonymous Mar 29, 2014

    power door locks is going crazy

  • Anonymous Mar 29, 2014

    Doors won't lock with the remote but will unlock with it.

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I had this happen on my Pontiac Trans Am. They replaced the Receiver on the car and it has worked fine ever since.
I know it was weird coming out in the morning and my car was unlocked.

Posted on Oct 02, 2008

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Posted on Jan 02, 2017

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2011 Ford Fiesta 5 speed manual base model no key fob ONLY drivers side door lock w key. Mechanism in drivers side door lock not catching not working will not lock or unlock. Electronics inside at console...


LOCKING AND UNLOCKING
You can use the power door lock control or the remote control to lock and unlock your doors and tailgate.See Tailgate Lock.
Power Door Locks
The power door lock control is on the driver and front passenger door panels.

AUnlock.
BLock. Remote Control
You can use the remote control at any time your vehicle is not running.
Unlocking the Vehicle (Two-Stage Unlock)
Press the button to unlock the driver door. Press the button again within three seconds to unlock all doors.The direction indicators flash. The direction indicators flash twice to confirm the change. The unlocking mode applies to the remote control, keyless entry keypad and intelligent access.
Press and hold both the lock and unlock buttons on the remote control for four seconds to disable or enable two-stage unlocking. Disabling two-stage unlocking allows your entire vehicle to unlock with one press of the button.
Intelligent access at the driver door unlocks your entire vehicle when you disable two-stage unlocking.
Locking the Vehicle
Press the button to lock all doors.The direction indicators flash.
Press the button again within three seconds to confirm that all the doors are closed.The doors lock again, the horn sounds and the direction indicators flash if all the doors are closed.
Mislock
If any door is open, or if the hood is open on vehicles with an anti-theft alarm or remote start, the horn sounds twice and the direction indicators do not flash.
Activating Intelligent Access
General Information
You can unlock and lock the vehicle without taking the keys out of your pocket or purse when your intelligent access key is within 3 ft (1 m) of your vehicle. Intelligent access uses a sensor on the back of the door handle for unlocking and a separate sensor on the face of each door handle for locking.
The system does not function if:
  • Your vehicle battery has no charge.
  • The key battery has no charge.
  • The key frequencies are jammed.
Note: The system may not function if the key is close to metal objects or electronic devices, for example keys or a cell phone.
Note: If the system does not function, use the key blade to lock and unlock your vehicle. See Remote Control.
Unlocking Using Intelligent Access
With your intelligent access key within 3 ft (1 m) of your vehicle, touch the unlock sensor on the back of the door handle for a brief period and then pull on the door handle to unlock, being careful to not touch the lock sensor at the same time or pulling the door handle too quickly. The intelligent access system requires a brief delay to authenticate your intelligent access key fob.
Locking Using Intelligent Access
With your intelligent access key within 3 ft (1 m) of your vehicle, touch the outer door handle lock sensor for approximately one second to lock, being careful to not touch the unlock sensor on the back of the door handle at the same time. After locking, you can immediately pull on the door handle to confirm locking occurred without inadvertently unlocking.
Note: Do not use the outside door handle as a roof cargo strap.
At the Electronic Tailgate (If Equipped)
Press the exterior tailgate release button inside of the tailgate handle. The tailgate unlocks and opens. See Electronic Tailgate.
Smart Unlock
This feature helps to prevent you from locking your intelligent access key inside your vehicle's passenger compartment or rear cargo area.
If you leave your key in the ignition, when you open the driver door and lock your vehicle with the power door lock control, the doors lock then unlock.
You can still lock your vehicle with the key in the ignition by:
  • Using the manual lock on the inside of the door.
  • Locking the driver door with a key.
  • Using the keyless entry keypad.
  • Using the lock button on the remote control.
Smart Unlocks for Intelligent Access Keys
This feature helps to prevent you from locking your intelligent access key inside your vehicle's passenger compartment or rear cargo area.
When you lock your vehicle using the power door lock control (with the door open, vehicle in park and ignition off), your vehicle searches for an intelligent access key in the passenger compartment after you close the door. If your vehicle finds a key, all of the doors immediately unlock.
In order to override the smart unlock feature and intentionally lock the intelligent access key inside your vehicle, you can lock your vehicle after all doors are closed by using the keyless entry keypad, pressing the lock button on another intelligent access key or touching the locking area on the handle with another intelligent access key in your hand.
When you open one of the front doors and lock your vehicle using the power door lock control, all doors lock then unlock if the ignition is on.
Autolock
Autolock locks all the doors when:
  • All doors are closed.
  • The ignition is on.
  • You shift into any gear putting your vehicle in motion.
  • Your vehicle reaches a speed greater than 12 mph (20 km/h).
Autolock repeats when:
  • You open then close any door while the ignition is on and your vehicle speed is 9 mph (15 km/h) or lower.
  • Your vehicle reaches a speed greater than 12 mph (20 km/h).
Autounlock
Autounlock unlocks all the doors when:
  • The ignition is on, all the doors are closed, and your vehicle has been moving at a speed greater than 12 mph (20 km/h).
  • Your vehicle comes to a stop and you switch the ignition off or to the accessory position.
  • You open the driver door within 10 minutes of switching the ignition off or to accessory.
Note: The doors do not autounlock if you electronically lock your vehicle after you switch the ignition off and before you open the driver door.
Enabling or Disabling Autounlock
You can enable or disable the autounlock feature in the information display or an authorized dealer can do it for you. See General Information.
Illuminated Entry
The interior lamps and select exterior lamps illuminate when you unlock the doors with the remote entry system.
The illuminated entry system turns off the lights if:
  • The ignition is on.
  • You press the remote control lock button.
  • After 25 seconds of illumination.
The dome lamp does not turn on if the control is set to the off position.
The lights do not turn off if:
  • You switch them on with the dimmer control.
  • Any door is open.
Battery Saver
The battery saver turns off the interior lamps 30 minutes after you switch off the ignition if a door is open and the dome lamp switch is on. It turns off the interior lamps after 10 minutes if the dome lamp switch is off.
Accessory Mode Battery Saver for Intelligent Access Keys (If Equipped)
If you leave the ignition on after leaving your vehicle, it turns off 15 minutes after you close all of the doors.

Mar 27, 2018 | Ford Cars & Trucks

1 Answer

1999 blazer Doors lock and unlock even when parked, help


Lock an unlock by them selves ? Door locks are computer controlled ,by the BCM - body control module .
--------------------------------------------------------------------------------
Power Door Locks Circuit Description
The power door lock system includes the following components:
• The door lock actuators
• A door lock relay
• An door unlock relay
• A driver door unlock relay
• The door lock and side window switches
• The body control module (BCM)
• The endgate lock cylinder switch /liftgate lock cylinder switch (utility)
• The keyless entry, if equipped
The door lock and liftgate mechanisms may be controlled by the following switches:
• The door lock and side window switches
• The BCM
• The endgate lock cylinder switch / liftgate lock cylinder switch (utility)
• The keyless entry, if equipped
The following locking functions are included on the vehicle:
• All the doors unlock -- All the doors will unlock, including the endgate/liftgate, when any power door unlock switch is detected. The passenger doors lock directly by pressing the lock switches. The driver door unlocks by the BCM using a driver door unlock relay.
• All the doors lock -- All the doors will lock, including the endgate/liftgate, when any power door lock switch is activated. All the lock actuators will activate directly from the power door lock switch (external to the BCM).
• The end/lift gate lock switch -- All the doors will lock or unlock from the end/lift gate lock switch.
• The lockout prevention -- This function will prevent the doors from automatically locking if the keys have been left in the ignition and the power door lock switch is operated.
The motor is protected by a built-in electronic circuit breaker (ECB). If the motor is overloaded or voltage is applied for an excessive amount of time, the ECB internal resistance increases, essentially creating an open circuit. The resistance returns to normal only after voltage is removed from the circuit, thereby restoring circuit continuity.

You have a bad switch input to the BCM !
Door lock acting up 2005 Chevy Malibu fix it here
Door Locks Go Crazy 2

Jan 07, 2018 | Cars & Trucks

1 Answer

And a 2003 Lincoln Navigator when they shut the car off and relay boxes keep ticking the door locks keep locking and unlocking how do you fix it


The power locks on this vehicle are controlled by a electronic module ( vehicle security module ) ! It use's inputs from door switches to control locking an unlocking of the door , Plus door ajar switches ! The first thing would be to check for DTC'S - diagnostic trouble codes in the security module . Need a factory or professional scan tool for that . If you don't have one you'll need to check all inputs to the security module .
Door Locks Go Crazy 1
Door Locks Go Crazy 2
Door Locks Go Crazy 3 this a dodge vehicle but doesn't matter , samething . pretty much .
http://www.bbbind.com/free_tsb.html free wiring diagrams . There is a bad signal to the module , short to ground maybe . Do you know how to do automotive electrical testing with a volt meter ? How to use an read a wiring diagram to find points in a electrical circuit for testing ? Electric Testing Techniques You Need to Know



Apr 22, 2017 | Lincoln Cars & Trucks

1 Answer

Pontiac bonneville forum problems


This problem sounds alot like a bad switch input to one of the modules ! DDM - driver door module , BCM - body control module . Do you know anything about automotive electronics ?
Power Door Lock Operation
The vehicle is equipped with power door locks. Each lock actuator is powered and controlled by the door module mounted in the individual door. The driver door module (DDM) is the master control for the door lock system but the rear integration module (RIM) determines when the lock functions are permitted.
The passenger front door interior lock switch is wired to the passenger front door module (PDM). The driver door interior lock switch is wired to the driver door switch assembly (DDSA). Interior lock switches are not provided for the rear doors. The DDSA and the PDM send the lock switch requests to the driver door module (DDM) over the power door serial data circuit. The DDM then sends the lock requests to the RIM over the Class 2 serial data circuits.
The door lock operation modes are controlled by the RIM. The RIM examines the requested function from the DDM, or the remote function actuator (RFA), as well as the transmission shift selector position and the ignition switch position information available over the Class 2 serial data circuits. If the RIM determines that a lock or unlock function is permitted, it sends a class 2 message back to the DDM commanding the DDM to perform that function. The DDM then sends commands to the rest of the door modules via the power door serial data circuit to implement the selected locking function.

The automatic door lock system provides for locking or unlocking all or one of the doors when shifting the transmission in and out of PARK, or, when turning the ignition key to the OFF position. This system is commanded according to the information stored in the RIM. The RIM receives the features selected by the driver from the driver information center (DIC). The RIM commands the driver door module (DDM) which in turn commands the individual passenger door modules. For customized selections available and programming instructions, refer to: Personalization Description and Operation in Personalization.

Looking at scan data for input sensors ,switches on a scan tool should be the first step in diagnosing this problem or using a lab scope . Your best bet ,take it to a qualified repair shop .
Do you know what DTC'S are ? diagnostic trouble codes !
DTC B3377, B3382, B3387, B3392, B3397, B3452, B3457, B3462, B3467, B3472, B3477, B3482, B3517, or B3522
The switch that failed and generated this diagnostic trouble code (DTC) is part of the driver door switch assembly (DDSA). The DDSA contains a microprocessor which takes the signal generated by this switch and assigns a digital message to it. The DDSA then sends this message over a power door serial data circuit to the driver door module (DDM).

It's probably something on the lines as in these videos , but without the proper testing equipment you could spend alot of money replacing parts and still not fix the problem , your best bet ,find a guy like the guy in the video !
Door Locks Go Crazy 1
Door Locks Go Crazy 2
Door Locks Go Crazy 3


Jul 30, 2017 | 2001 Pontiac Bonneville SSEi

1 Answer

2004 chevy malibu driver and passenger door lock problems


The locks on your vehicle are electronically controlled by the BCM - body control module . The driver an passenger door switche's are input's to the BCM . Do you know anything about automotive electronic's ? anti theft alarm remote, could this be part of the problem , No it's just a key less entry remote , nothing to do with the anti-theft .
Door Lock System Components
The Power Door Lock System consists of the following components:
• Body control module (BCM)
• Driver door lock switch
• Front passenger door lock switch
• Door lock actuators in each of the doors
• IBCM (PWR) 15-amp fuse

Door Lock System Controls
The Power Door Lock System is controlled by the body control module (BCM) and can be activated by any one of the following:
• A door lock switch Lock or Unlock actuation
• A keyless entry transmitter actuation
• An automatic door lock actuation
• An automatic door unlock actuation
• A last door closed locking (LDCL) actuation

Driver and Passenger Door Unlock Operation w/o Keyless Entry
When the body control module (BCM) detects a transition of either of the door lock switches to the Unlock position, it switches the door lock actuator unlock control circuits to voltage. Since the door lock actuator lock control circuit is at ground potential within the BCM, the driver passenger door lock actuators transition to the Unlock position.

Your best bet , take your vehicle to a qualified repair shop ! Need special tool to diagnose .

Power Door Locks Inoperative

Install a scan tool.
Turn ON the ignition, with the engine OFF.
With a scan tool, observe the door lock switch parameter in the Doors data list.
Does the scan tool display Idle?
YES - Go to Step 4
NO - Go to Step 8
4
Activate the driver door lock switch to the LOCK and UNLOCK positions.
Does the scan tool display Idle?
YES - Go to Step 9
NO - Go to Step 5
5
Activate the front passenger door lock switch to the LOCK and UNLOCK positions.
Does the scan tool display Idle?
YES - Go to Step 9
NO - Go to Step 6
6
With a scan tool, observe the driver door lock actuator command and the passenger door lock actuator command parameters in the Doors data list.
Activate a door lock switch to the LOCK and UNLOCK positions.

Dec 24, 2017 | 2009 Chevrolet Malibu

1 Answer

I replaced the power lock switch on the driver side of my chevy malibu because the locks were locking and unlocking by themselves, I also heard a beep under the dash. The problem was taken care of. Now...


All the lock's ,were locking an unlocking or just the driver door lock ? Probably wasn't the switch ,more likely a bad input to the BCM . The door lock's are computer controlled .
Do you know what a BCM is ? body control module .
Each door lock switch is wired to the body control module (BCM) through a separate door lock/unlock signal circuit. While these circuits are separated between the BCM and respective door lock switch, they are connected into a single circuit within the BCM. The BCM supplies voltage through the door lock/unlock signal circuits to each door lock switch. When either door lock switch is operated, this supply voltage is pulled to ground, providing the BCM with the required lock or unlock signal. In order for the BCM to distinguish between a lock and unlock signal, the lock switch contains two separate paths for this voltage to flow to the same body ground. When the switch is operated to the unlock position, the supply voltage flows to ground through a 1.5 K? resistor. When the switch is operated to the lock position, the supply voltage flows to ground through a different part of the switch circuit, which has no resistor. The BCM then interprets the flow of voltage as a lock or unlock request and powers the door lock actuators to the appropriate lock or unlock position.


Door Locks Go Crazy 1
Door Locks Go Crazy 2
Door Locks Go Crazy 3


Dec 19, 2017 | 2008 Chevrolet Malibu LT

1 Answer

I have a 1999 chevy blazer and my power locks do not work any longer. Before i bought the car, the previous owner took out the remote start/locks module out. My locks tend to lock and unlock whenever they...


My locks tend to lock and unlock whenever they feel like.lThe BCM - body control module lock's an unlocks the doors using relay's . Could be a bad input to the BCM , switch , wiring etc.... Watch these videos Door Locks Go Crazy 1 Door Locks Go Crazy 2
Door Locks Go Crazy 3
Finding wiring diagrams an testing the circuits is the only way you will be able to diagnose , you won't have the tool he used . lab scope . Check wiring inside the rubber boot from the body to the door's , for broken wire's .
Free wiring diagrams here http://www.bbbind.com/free_tsb.html
Enter vehicle info. year , make , model and engine size. Under system click on body & accessories then under subsystem click power locks . Click the search button then the blue link .


Sep 30, 2017 | 1999 Chevrolet Blazer

1 Answer

99 vw beetle no power to door locks, trunk switch, or gas door not even with remote any suggestions?


the remote switch you are looking for is the fuel door switch that controls all these items trunk,unlock fuel tank door. this unit has to be replaced as a whole unit but check all your fuses first on driver side dash where door touches dash left side open door look for a triangle shape panel pop it open and check (ALL) fuses and especially #17 brown 7.5 amp fuse top right of fuse block.

Feb 13, 2010 | Volkswagen New Beetle Cars & Trucks

1 Answer

I have the exact problem with my 97 tl. The alarm will go off if


sounds like a ground or possibly the power wire is touching from wear in the boot between the doors has worn or the locking mechanism itself is bad removal of the door panel may be necessary to see if the problem is there just as well the switch may be going /gone bad inside the switch itself process of elimination is required and start with the switch first ...........but truly it may be the switch

Jul 24, 2009 | 1999 Acura TL

1 Answer

Power door locks going crazy


One of your door lock inside switches are bad.Find the one that doesn't feel right when you push it in either lock or unlock.The internal spring is broke causing the lock relay to keep try to lock or unlock until it gets hot & protects.

May 07, 2009 | 2001 Saturn SC

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