U0146High severity

Lost Communication with Gateway Module

Communication with the gateway module has been lost.

Safe to Drive?
No

Have this diagnosed before driving further

Informational only. Consult a qualified mechanic.

Estimated Repair Cost
$200 - $1,000
Common Causes
  • Faulty gateway module
  • CAN bus issue
  • Wiring damage
Recommended Action

The gateway connects all vehicle networks. Have diagnosed immediately.

What does U0146 mean?

The U0146 OBD-II diagnostic trouble code (DTC) indicates: lost communication with gateway module. This is a high-severity network code that your vehicle's onboard diagnostics system triggers when communication with the gateway module has been lost. If your check engine light is on with this code, you should have the vehicle inspected immediately before driving further.

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