Vehicle Stability Enhancement System Inoperative. Buick LeSabre 2000

For 1990-2009 cars only

Makes 🢒 Buick 🢒 2000 🢒 LeSabre 🢒 Brakes 🢒 Antilock Brake System 🢒 Vehicle Stability Enhancement System Inoperative

Vehicle Stability Enhancement System Inoperative w/JL4

ABS Components
Vehicle Stability Enhancement System (w/JL4)
Handling ESD Sensitive Parts Notice

Circuit Description

Vehicle stability enhancement system (VSES) activations generally occur during aggressive driving. Perform this test when the VSES does not activate when the vehicle is driven aggressively enough to require activation (this can be subjective).

Step

Action

Value(s)

Yes

Did you perform the ABS Diagnostic System Check?

Go to Step 2

Go to Diagnostic System Check - ABS

Install a scan tool.
Start the engine.
Observe the VSES Is Centered parameter in the VSES data list.
Perform the Diagnostic Test Drive. Refer to Diagnostic Test Drive .

Did the scan tool display Yes within the specified value?

30 seconds

Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems

Go to Step 3

Perform the diagnosis for DTC C1283. Refer to DTC C1283 Excessive Time to Center Steering .

Did you find and correct the condition?

Go to Step 5

Go to Step 4

Important: Perform the setup procedure for the EBCM. An unprogrammed EBCM will result in the following conditions:

•	Inoperative or poorly functioning DRP/ABS/TCS/TIM/VSES/VES (if equipped)

•	Set DTC C1248 EBCM Turned the Red Brake Warning Indicator On

•	Set DTC C1255m3 EBCM Internal Malfunction

Replace the EBCM. Refer to Electronic Brake Control Module Replacement .

Did you complete the replacement?

Go to Step 5

Operate the system in order to verify the repair.

Did you correct the condition?

System OK

Go to Step 2