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Home >> Jeep >> 2023 >> Grand Cherokee Laredo, AWD >> Repair and Diagnosis >> Suspension >> Suspension Control Systems >> Air Suspension Control Module (ASCM) - DTCS C15EC-12 To U102B-00 >> DTC Troubleshooting >> U0418-00-Implausible Data Received From Brake System Control Module 1

U0418-00-Implausible Data Received From Brake System Control Module 1

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. Brake Boost Pressure Brake Booster Pressure
BRAKE_FD_2. Brk_Stat Brake Status
BRAKE_FD_2. Lat Acceleration_BSM Lateral Acceleration
BRAKE_FD_2. Long Acceleration_BSM Longitudinal Acceleration
BRAKE_FD_2. Vehicle Speed VSO Sig Vehicle Speed
BRAKE_FD_3. LHF Wheel Speed Left Front Wheel Speed
BRAKE_FD_3. LHR Wheel Speed 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.