U0401 — Invalid Data Received From ECM/PCM "A"

Network (CAN bus, communication)

Invalid Data Received From ECM/PCM "A"

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Can I drive with U0401?

You can usually drive home and book an inspection within a few days.

Frequently asked questions

What does fault code U0401 mean?

U0401 means Invalid Data Received From ECM/PCM "A".

Can I keep driving with U0401?

You can usually drive home and book an inspection within a few days.

Related fault codes

• U0400 — Invalid/Lost Communication With Engine Control Module/Powertrain Control Module…
• U0402 — Invalid Data Received From Transmission Control Module
• U0403 — Invalid Data Received From Transfer Case Control Module
• U0404 — Invalid Data Received From Gear Shift Control Module
• U0405 — Invalid Data Received From Cruise Control Module
• U0406 — Invalid Data Received From Fuel Pump Control Module
• U0407 — Invalid Data Received From Glow Plug Control Module
• U0408 — Invalid Data Received From Throttle Actuator Control Module
• U0409 — Invalid Data Received From Alternative Fuel Control Module

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