Vehicle Stability Enhancement System Excessive Brake Pulsation. Cadillac Eldorado 1999

For 1990-2009 cars only

Makes 🢒 Cadillac 🢒 1999 🢒 Eldorado 🢒 Brakes 🢒 Antilock Brake System 🢒 Vehicle Stability Enhancement System Excessive Brake Pulsation

ABS Components
Cell 44: Lateral Accelerometer, Yaw Rate Sensor, Steering Wheel Position Sensor, and CVRSS
Handling ESD Sensitive Parts Notice

Circuit Description

When braking during Stabiltrak® activation, the brake pedal will feel different than the ABS pedal pulsation. The brake pedal pulsates at a higher frequency during Stabilitrak® activation. Perform this test if the brake pedal buzzes excessively during medium braking. Medium braking is defined as greater than 0.3 g or 10 ft/s² (3 m/s²).

Step	Action	Value(s)	Yes	No
1	Did you perform the ABS Diagnostic System Check?	--	Go to Step 2	Go to Diagnostic System Check - ABS
2	Turn OFF the ignition. Connect a scan tool to the data link connector (DLC). Turn ON the ignition, with the engine OFF. Check for Powertrain Control Module (PCM) DTCs. Is PCM DTC P1575 set?	--	Go to DTC P1575 Extended Travel Brake Switch Circuit in Engine Controls - 4.0L, 4.6L	Go to DTC C1297 PCM Indicated Brake Extended Travel Switch Failure

Step

Action

Value(s)

Yes

Did you perform the ABS Diagnostic System Check?

Go to Step 2

Go to Diagnostic System Check - ABS

Turn OFF the ignition.
Connect a scan tool to the data link connector (DLC).
Turn ON the ignition, with the engine OFF.
Check for Powertrain Control Module (PCM) DTCs.

Is PCM DTC P1575 set?

Go to DTC P1575 Extended Travel Brake Switch Circuit in Engine Controls - 4.0L, 4.6L

Go to DTC C1297 PCM Indicated Brake Extended Travel Switch Failure