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Home >> Jeep >> 2019 >> Grand Cherokee Laredo, AWD, Full Time T/Case Control >> Repair and Diagnosis >> External Pages >> Different car >> Section 420 (Air Suspension Control Module (ASCM) - DTCS C15B6-13 To U102B-00) >> DTC Troubleshooting >> U0418-00-Implausible Data Received From Brake System Control Module 1
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U0418-00-Implausible Data Received From Brake System Control Module 1

WARNING: This page is about a different car, the 2021 Jeep Grand Cherokee L. However, it is still accessible from the selected car via links, so may be relevant.

The Air Suspension Control Module (ASCM) will set this DTC if the Brake System Control Module (BSCM) sends an invalid CAN message or SNA (signal not available) for any of the following:

CAN Message  Description 
BRAKE_FD_1.BrkTrq Brake Torque
BRAKE_FD_1.BrkTrq_Driver Brake Torque (Driver Request)
BRAKE_FD_2.BrakeBoostPressure Brake Booster Pressure
BRAKE_FD_2.Brk_Stat Brake Status
BRAKE_FD_2.LatAcceleration_BSM Lateral Acceleration
BRAKE_FD_2.LongAcceleration_BSM Longitudinal Acceleration
BRAKE_FD_2.VehicleSpeedVSOSig Vehicle Speed
BRAKE_FD_3.LHFWheelSpeed Left Front Wheel Speed
BRAKE_FD_3.LHRWheelSpeed Left Rear Wheel Speed
BRAKE_FD_3.RHFWheelSpeed Right Front Wheel Speed
BRAKE_FD_3.RHRWheelSpeed Right Front Wheel Speed
BRAKE_FD_7.BrkPdl_Stat Brake Pedal Status

Refer to DIAGNOSIS AND TESTING .

to diagnose the CAN network and BSCM.