U0490

Code

Generic U — Network/User

Invalid Data Received From Vehicle Dynamics Control Module

Brand: Generic

Type: U — Network/User

Views: UK: 11 EN: 23 RU: 20

AI status

Completed

ready

Completed 100%

Page language: EN

Faulty VDC (Vehicle Dynamics Control) module
Intermittent or open/shorted wiring or poor connector connections on CAN/high-speed network
Low or unstable battery voltage or poor ground
Corrupted or outdated VDC module software/firmware
Faulty or out-of-range sensor inputs (wheel speed, yaw rate, lateral accel, steering angle) feeding the VDC
CAN bus physical layer fault (shield damage, short to battery/ground)

Read and record all stored DTCs and freeze frame data from all modules
Verify ability to communicate with the VDC module using a professional scan tool (module present on CAN bus)
Check battery voltage (key on engine off and cranking) and charging system health
Visually inspect CAN bus wiring, connectors, grounds and module connectors for corrosion, bent pins, or damage
Check fuses and power/ground circuits supplying the VDC module
Look for related U-codes indicating CAN bus faults or sensor-specific errors

Retrieve all codes and freeze frame from all modules; note any related U or B/C/P codes. 2) Verify battery voltage and charging system under load; ensure stable 12–14.5 V. 3) Confirm scanner can communicate with VDC; if module missing, suspect network or power issue. 4) Inspect wiring and connectors to VDC and nearby junctions for damage, corrosion, or loose pins; repair as needed. 5) Check fuses and power/ground circuits to the VDC module for continuity and proper voltage. 6) With a lab scope or multimeter, check CAN_H and CAN_L differential signals for proper idle voltages (~2.5 V) and message activity; check for shorts to battery/ground. 7) Compare live sensor values from wheel speed, yaw rate, steering angle, and lateral accelerometer to expected ranges; isolate any sensor with invalid outputs. 8) If wiring and sensors OK, check for software/firmware updates or required reprogramming for the VDC; reflash or update per OEM procedures. 9) If intermittent or unresolved, perform wiggle tests on harness while monitoring CAN traffic; repair wiring harness faults. 10) Replace the VDC module only after verifying external causes are cleared; ensure correct part and program/configure to vehicle. 11) Clear codes and perform road test to confirm repair. Maintain safety when testing dynamic systems (secure vehicle, follow lift and test procedures).
similar_codes([

Lost or corrupted CAN messages from VDC due to wiring or connector fault
VDC module internal failure or failing internal processor/memory
Low battery or charging system issue causing data corruption
Sensor providing out-of-range values that the VDC sends to network as invalid data
Incorrect module calibration or missing software update after module replacement