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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 >> U0422-00-Implausible Data Received From Body Control Module

U0422-00-Implausible Data Received From Body Control Module

The COMMUNICATION DIAGNOSTIC PROCEDURE MUST  be performed before replacing any component(s) or module(s). Perform the COMMUNICATION DIAGNOSTIC PROCEDURE. Refer to COMMUNICATION DIAGNOSTIC PROCEDURE .

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

CAN Message  Description 
BCM_FD_2. Operational Mode Sts Operational Mode Status
BCM_FD_3. Battery_Volt_1 Battery Voltage
BCM_FD_9. External Temperature External Temperature
BCM_FD_9. Power Mode Sts Power Mode Status
BCM_FD_10. CmdIgnSts Ignition Status
BCM_FD_12. AirSusp_DnSw Air Suspension Down Switch Status
BCM_FD_12. AirSusp_UpSw Air Suspension Up Switch Status
BCM_FD_26.ADS_MODE_REQ Active Damping Mode Status
ORC_FD_3. Lat Acceleration Lateral Acceleration
ORC_FD_3. Long Acceleration Longitudinal Acceleration
ORC_FD_3. YawRate Yaw Rate
VIN.VIN_MSG VIN

Refer to DIAGNOSIS AND TESTING to diagnose the CAN network and BCM.