How To Turn Off Service Ride Control Light On 91 Deville

Court Excirs · Saturday, June 11, 2022

I take had "service CCR" for 5 years. :angry: Recently constitute Logan'due south mail service how to disable it and did disable it in five minutes. I am not certain information technology will work on your car. Here it is:

Document #740707

Info -- Procedure to Disable Illumination of Service Indicator Subsequently installing Passive Struts #00-03-11-001A

Applies to:

• 1989-1992 Cadillac Allante

• 1991-1993 Cadillac Eldorado, Seville

• 1991-1995 Cadillac DeVille

This bulletin is beingness revised to clarify when this bulletin may be used to turn the service break lamp off. As well, a footstep has been added to the 1991 Cadillac Eldorado and Seville repair. Please discard Corporate Bulletin Number 00-03-eleven-001 (Department 3 -- Interruption)

Some owners may bring their vehicles in for service with an illuminated service intermission light. The service suspension indicator lamp is telling the owner that the vehicle is due for strut/daze replacement, a maintenance item. The client may elect to accept passive struts installed in their vehicles due to the repair cost savings and/or parts availability. The installation of passive shock/struts volition result in handling characteristics which are the equal to a like vehicle without the computer controlled ride, with all other components such equally tires, tire pressure level, springs, etc. being equal. The installation of (4) new passive struts will cause the continued illumination of the service suspension indicator. If desired by the customer, the service indicator may be disabled After THE INSTALLATION OF THE (4) NEW PASSIVE STRUTS, using the advisable service procedure listed beneath. This message DOES NOT qualify this process unless (4) NEW PASSIVE STRUTS WERE INSTALLED ON THE VEHICLE.

The wiring harness going to each strut and or chock assembly should be cut and taped dorsum to clean-up the appearance both under the hood and under the vehicle. In addition, each specific vehicle will require a modification every bit outlined below:

• 1989-1992 Allante with Speed Dependent Damping (SDD): Refer to the Service Transmission page 8D-xiii (1989) or 8D-fourteen (1990-1992). On these vehicles, adjust the BCM Override value "BS08". To do this, use the warmer/cooler push on the CCDIC to subtract the BCM override value "BS08" which is displayed when you enter the system by two(2). When the desired number is displayed on the CCDIC, it must exist stored by holding the "Elapsed Time" and "Fuel Used" buttons until the new value flashes on and off. When it flashes on and off, the new value has been stored.

• 1991 Eldorado and Seville with Computer Control Ride (CCR): Refer to the Service Manual page 8D-12. Set the BCM override value BS09 to 0 by using the warmer and cooler buttons. Store this value by pressing the Econ button on the climate control panel and the Instant Econ button on the Fuel Information/Drivers Information Center for most v seconds. The new value volition exist stored even through the indicator does non flash. Remove the key from the ignition. Disconnect both battery cables from the battery. When both cables have been disconnected, touch the ends of the cables together and hold for five seconds. This will discharge the capacitors in the system and allow the organization to perform properly when the battery cables are reconnected. Suggest the customer they will take to reset all radio stations and clock.

• 1993 Eldorado and Seville with Speed Sensitive Suspension and iv.9L Engine Only: Refer to page 8A-43-6 in the 1992 Eldorado Seville Service Manual.

o Cut Excursion 1020 (Pinkish)

o Attach the IPC side of excursion 1020 to relay pivot 87A

o Attach the module side of circuit 1020 to relay pin 86

o Run a ground wire to relay pivot 30

o Run a wire from a switched ignition (hot in run) source to relay pin 85.

• 1991-1993 DeVille with Computer Command Ride (CCR): Refer to the Service Manual, page 8A-43-0. Cutting Circuit 1300 (Dark Greenish wire) at the CCR module (Pin C15) to disable the indicator lamp. Tape the wires back into the harness to prevent shorting to other components.

• 1994-1995 DeVille with Speed Sensitive Break (SSS) and 4.9L Engines Merely: Refer to the 1994 Eldorado, Seville, DeVille Service Manual, page 8A-43-14:

o Locate and cut circuit 370 (RED)

o Attach the IPC side of excursion 370 to pin 87A of the relay

o Attach the module side of circuit 370 to pivot 86 of the relay

o Run a ground wire to relay pin 30

o Run a wire from a switched ignition (hot in run) source to relay pivot 85.

• The following part numbers are required to make the correction on the 1993 Eldorado/Seville and the 1994-1995 DeVille: