The brake pressure sensor does not require calibration often.Calibration of the brake pressure sensor might be required aftercertain service procedures are performed. Some of these proceduresare as follows:
Electronic brake control module (EBCM) replacementBrake pressure modulator valve assembly replacementThe Brake Pressure Sensor Calibration procedure can becompleted with a scan tool using the following steps:
Apply the parking brake, or set the transmission in the Pposition.Release the brake pedal.Install the scan tool to the data link connector.Ignition ON, engine OFFSelect Brake Pressure Sensor Calibration in the EBCMConfiguration/Reset Functions list.Follow the scan tool directions to complete the calibrationprocedure.Clear any DTCs that may be set.Power Brake Booster Vacuum Sensor Replacement (LEA) Hydraulic Brakes Brake Booster
Removal ProcedureWith the engine OFF, apply and release the brake pedalseveral times until the brake pedal becomes firm to deplete thepower vacuum brake booster vacuum reserve.Disconnect the power brake booster vacuum sensor electricalconnector.Remove the power brake booster vacuumsensor-(1)-from th ...