B23AA77 Mercedes : The left brake caliper has a malfunction. The commanded position cannot be reached.
Mercedes – B23AA77 The left brake caliper has a malfunction.
B23AA77 Mercedes shows the warning message “Parking brake, see owner’s manual” in the instrument cluster. The yellow EPB function indicator lamp lights up and the red EPB function indicator lamp maybe flashes.
The warning message “Parking brake, see owner’s manual” and The yellow EPB function indicator lamp lights up.Fault code B23AA77 The left brake caliper has a malfunction in the N30/4 – Electronics Stability Program ESPActual values at parking brake release stateActual values at parking brake closed stateApply left parking brake motor Release left parking brake motor Try to recalibrate the parking brake actuator motor
Try to recalibrate the parking brake actuator motor to see if can resolve the problem but it’s not. So continue removing and checking the caliper
How to remove parking brake motorMercedes brake caliper checkingMercedes brake caliper checking
One of the reasons can cause the code B23AA77 Mercedes is the connections at separating points X62/32 Rear axle electrical connector, left distributor not engaged correctly. Trying to check and clean
Mercedes parking brake wiring diagram below :
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Mercedes brand new parking brake motorInstall the brand new Mercedes parking brake motor and do calibrationThe calibration procedure was completed successfullyThe state of left parking brake motor was recognized againThe fault code B23AA77 was disappeared in the N30/4 – Electronics Stability Program ESP
