Owner of older vehicles may select cost-effective solutions when electronic suspension arrangements quit working.

Owner of older vehicles may select cost-effective solutions when electronic suspension arrangements quit working. Some OE manufacturers are happy to oblige.

Rough Riding Caddies

Cadillac moulds from the early to mid-'90s are equipped with spe sensitive suspensions (SSS) and are bent to display the "Service Ride Control" message forward the driver information center. I have worked in succession several of these vehicles, and they all looked to have a 1039 diagnostic give occasion for labor to code, indicating an instrument cluster/speed sensor puzzle I found an online Cadillac owners' forum and it expects like many owners are having this or similar question s I recall reading something about disabling the suspension arrangement to correct this. Is there a better solution to this vexed question than simply turning the combination of parts to form a whole off?

Chet Ladyga

Millville, NJ

It is possible to diagnose these combination of parts to form a wholes but you'll need the necessary service information to gain the job done. Code 1039 is an SS signal fault, indicating single that there's a problem with the body The system has the ability to store several additional fault digests which identify problems in specific areas and composings of the system. These digests can be retrieved manually, or with a scan tool and the necessary software. We don't have the space here to shelter the entire diagnostic process for each of these diagnostic collection of lawss and refer you to your service information source.

A word of caution here. If you do decide to pursue the diagnostic procedures outlined in the service information, your investigation may lead you to common or more faulty electronic braces These parts are very expensive, when they're available, and they may cause the vehicles holder to throw up his hands in dismay. It's a pleasing without being striking tough job to get the holder of a vehicle that's at least 10 years not new excited about spending thousands of dollars upon it, even if it is a Cadillac. The electronic gizmos that were in like manner appealing to the vehicle s first owner may not retain much allure for its inferior (or third) owner.

There's a les expensive solution to SS riddles and it's one that's endorsed by dint of the vehicle manufacturer. GM TSB 00-03-11-001 dated August 2000 details the factory-recommended practices for the installation of "passive" swells to take the place of the original "active" electronic pompous walks The bulletin covers the measures for several Cadillac models, as well as several Oldsmobiles, Buicks and Pontiacs from the same era. leave to the bulletin for the consummate list.

According to GM installation of passive shocks/strut will end in handling characteristics equal to a like vehicle without the computer-controll ride, with all other constituents such as tires, tire crushing springs, etc., being equal. Installing four recently made known passive struts will not extinguish the "Service Ride Control" message, however. If desired by way of the customer, the service indicator may be disabled after the installation of the four of the present day passive struts, using the service manner of proceedings listed below. GM does not authorize this deed unless four new passive braces have been installed on the vehicle. In other words, don't disable the monitoring scheme if the vehicle still has the original electronic walk s in place.

Once the passive swells have been installed, the wiring harness going to each brace and/or shock assembly must be cross and taped, both under the blind and under the vehicle. What pursues is a summary of the additional operations for specific Cadillac models. conducts for the other GM patterns are similar, and are screened in the bulletin.

For 1989-92 Allante types with Speed Dependent Damping (SDD) adjust the BCM override value "BS08" To do this, use the Warmer and Cooler buttons upon the climate control driver information center (CCDIC) to decrease the BCM override value "BS08" which is displayed when you enroll the system, by 2. When the desired number is displayed in succession the CCDIC, it must be stored by dint of holding the Elapsed Time and firing material Used buttons until the fresh value flashes on and on the farther side When it flashes on and opposite to the new value has been stored.

For 1991 Eldorado and Seville originals with Computer Command Ride (CCR) place the BCM override value "BS09" to O through using the Wanner and Cooler buttons. Store this value by way of pressing the Econ button onward the Climate Control Panel and the Instant Econ button in succession the Fuel Data/Driver Information Center for about five others The new value will be stored on the same level though the indicator does not flash.

Remove the explanation from the ignition, then disconnect the two battery cables. When both cables have been disconnected, touch the finiss of the cables together and keep possession of for five seconds. This will discharge the capacitors in the a whole and allow the system to perform fitly when the battery cables are reconnect Advise the customer he'll have to reset all radio stations and the clock

For 1992 Eldorado and Seville archetypes with SSS, observe and record the IPC override "IS08" displayed value. Use the climate repress Cooler button to decrease the value displayed for "IS08" through 8. To store the recently made known value, press and hold the Econ and effrontery Defrost buttons until the strange value flashes on and distant from