Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSDODGE AND RAM20162500 HD LIMITED, 4D PICKUP, 6.4L ENG VIN J, 4WDREPAIR AND DIAGNOSIS (SINGLE PAGE)ACCESSORIES & EQUIPMENTCOMMUNICATION DEVICES(DRIVETRAIN CONTROL MODULE (DTCM) - ELECTRICAL DIAGNOSTICS - 2500 HD & 3500 HD)DTC TROUBLESHOOTINGU0422-IMPLAUSIBLE DATA RECEIVED FROM BODY CONTROL MODULESET CONDITION
2016 Dodge and Ram 2500 HD Limited, 4D Pickup, 6.4L Eng VIN J, 4WD
Set Condition
2016 Dodge and Ram 2500 HD Limited, 4D Pickup, 6.4L Eng VIN J, 4WDSECTION Set Condition
When the Drive Train Control Module (DTCM) detects an incorrect CAN message from the Body Control Module (BCM) after one valid CAN message received at least once, and no U0002-00-CAN C Bus Off Performance DTC present.
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.