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2006 cadillac electronic level control stuck in up position

Electronic level control stuck in up position

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Posted on Jan 02, 2017

  • 18 Answers

SOURCE: electronic leveling system

Yes. There is actually a GM TSB for switching the air ride system to regular gas shocks. It takes wiring in a relay to fool the body control module, and your ride will be slightly harsher. Check with your local GM dealership for the TSB which contains instructions and the required parts list

Posted on Jul 27, 2009

  • 834 Answers

SOURCE: electronic level control not working right

To begin with, check the "ride level" fuse and make sure that the ride level compressor does work, and you should be able to hear that the ride level compressor is working when the ride level system is leveling the vehicle.

The ride level system uses an air compressor and either an air type of shocks or a type of air billow to raise and lower the vehicle, there is an adjustment to set the ride height and it is located under the vehicle and there is a control lever or rod that should be connected between the rear axle and a switch that is mounted on the body of the vehicle, and there will be an adjustment slot in the control lever between the switch and the body, and that is how you would adjust the ride level height, but be sure that the vehicle can not drop any further down if someone is under the vehicle trying to adjust the ride height.

However, you might find that the control lever to the ride level has fallen off from the switch on the body or it has come loose from the rear axle, and it is just hanging there not operating the switch on the body that controls the the ride level compressor, or there might be a blown out air shock or billow, or you might find that an air line from the compressor is leaking and the ride level compressor will just run continuously until it blows out the fuse, and if that is the case you might also find out that the air compressor has burned out from running continuously.

Posted on Jun 12, 2010

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06 cad STS. Loud pitch noise coming from trunk area. Not the parking assist. Does it while driving. Only ways to make it stop is to cut off car. Sometimes comes right back on when start car back up


Air compressor for load leveling system ?

Automatic Level Control (ALC) Compressor
(2) Automatic Level Control (ALC) Exhaust Solenoid

The Automatic Level Control (ALC) system automatically adjusts the rear height of the vehicle in response to changes in vehicle loading.
The ALC system consists of the Electronic Suspension Control module, 2 position sensors, an air compressor assembly, an ALC compressor relay, an intake hose and filter, an air tube, and 2 rear shock absorbers. The air compressor assembly consists of an air compressor and an air dryer mounted on a bracket. The air compressor head is a replaceable part of the air compressor. The exhaust solenoid is a non-replaceable part of the air compressor head.
The vehicles rear vertical height is measured by the 2 position sensors. These 2 position sensors convert this rear height measurement into an analog voltage which is read by the ESC module. The ESC module then determines what action exhaust, compress, or no action shall take place. To compress, the ESC module switches the ELC compressor relay to ground.
The compressor is activated when the ignition is on, and weight is added to the vehicle. The exhaust solenoid is connected directly to the battery (+), enabling the system to exhaust with the ignition on or off when excess weight is removed.

Feb 07, 2017 | 2006 Cadillac STS

1 Answer

My check your air suspension warning light came on. I checked the book that came with the car and it said, it could be in the electic part of it. So my question to u is what can the electric part be?


It's mostly electronic , There is a control module ,sensor's at the corners ,wheels , an electric compressor to pump air to raise the vehicle .
You don't say what make , model an year vehicle but there all pretty much the same . This is for a Cadillac Deville
The electronic suspension control (ESC) system consists of the following components:
?€¢
Electronic suspension control (ESC) module (3)


?€¢
Four dampers contained in the 2 front struts (5 and 6) and the 2 rear shock absorbers (1 and 9)


?€¢
Four positions sensors (2, 4, 7, and 8)


?€¢
ALC air compressor module (10)


?€¢
Damper relay (not shown)


?€¢
ELC relay (not shown)

The ESC system with rear automatic level control (ALC) controls damping forces in the front struts and rear shock absorbers in response to various road and driving conditions. The rear ALC portion of the system maintains a proper vehicle trim height under various vehicle load conditions. For more information on the ALC, refer to Automatic Level Control Description and Operation in Automatic Level Control.
The ESC module receives the following inputs: wheel-to-body position, vehicle speed, and lift/dive. The ESC module evaluates these inputs and controls actuators in each of the dampers independently to provide varied levels of suspension control.
Your best bet is take it to the dealer !

Jan 12, 2016 | Cars & Trucks

1 Answer

Where is the distributor on a 2001 Cadillac deville?


Has no distributor - electronic ignition !
The electronic ignition system does not use the conventional distributor and coil. The ignition system consists of the following components/circuits:
?€¢
Eight ignition coils


?€¢
Eight ignition control (IC) circuits


?€¢
Two ignition control modules (one per cylinder bank)


?€¢
Camshaft position (CMP) sensor


?€¢
Crankshaft position (CKP) sensor A


?€¢
Crankshaft position (CKP) sensor B


?€¢
Related connecting wires


?€¢
Powertrain control module (PCM)

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1 Answer

All brake lights and traction light Or on the dash and my brake lights will not work 2006 Cadillac CTS


The traction control system is part of ABS control module an if the light is on there is A DTC - diagnostic trouble code stored in the EBCM - electronic brake control module ! The brake pedal position sensor is an input to the EBCM , when you press the brake pedal the EBCM then energizes the BAS relay in the left rear fuse box turning on the brake lamps !
There could be a DTC like
DTC B3903
The electronic brake control module (EBCM) supplies voltage to the BAS relay coil side voltage supply circuit when the stop lamps are active. The coil side control circuit of the BASS relay is permanently grounded at G402.
DTC Descriptor
This diagnostic procedure supports the following DTC:
DTC B3903 Stop Lamp Relay Circuit
Or
DTC C0278
The brake pedal position sensor (BPP) is a potentiometer. The electronic brake control module (EBCM) supplies a 5-volt reference circuit and low reference circuit to the BPP sensor. The BPP sensor signal circuit is a direct input to the EBCM. The EBCM determines the BPP based on the voltage from the BPP sensor. The EBCM converts the BPP sensor feed back voltage to a digital signal and puts it on the class 2 communication bus.
DTC C0282 Brake Pedal Position Sensor Circuit Range/Performance
DTC C0283 Brake Pedal Position Sensor Circuit Low
DTC C0284 Brake Pedal Position Sensor Circuit High
DTC C0880 Device Voltage Reference Output 2 Circuit
You may want to take this to the dealer !

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1 Answer

Heat not working but ac work fine


The heater control valve may be stuck in the closed position. spray WD 40 on it and work it back and forth. When it finally breaks loose, oil it with 30 weight oil.

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1 Answer

My 1998 cady sts is really high in the back looks like it is lifted.... why?


The vent solenoid is stuck closed on the ELC unit (electronic level control). You can replace the vent valve but it is mounted to the ELC unit witch is attached to the rear axle assembly on the top of axle assembly above the right muffler. To temporary level car, disconnect the compressor electrically then disconnect the air line on one of the rear shocks, let air out till car is level put air line back on shock. Thank you

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2 Answers

Rear air ride stuck in high position. leveling sensor linkage intac and seems to be functioning properly. adjusting sensor either way does not make difference. Are there any good manuals to help diagnose...


the exhaust valve is stuck closed, the valve is mounted to the elc assembly. the assembly is mounted to the frame above the passenger side muffler. highly recommend a cadillac dealer perform this task

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1 Answer

How to program active suspension on 94 Cadillac deville


BEFORE LOWERING VECHICLE TURN IGNITION KEY TO THE ON POSITION AND LET THE ELECTRONIC LEVEL CONTROL SYSTEM PRESSURIZE FOR APPROXIMATELY 45 SECONDS.THEN LOWER CAR TO GROUND.

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1 Answer

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