U0447
Invalid Data Received From Serial Data Gateway Module A
U0447 is an OBD-II diagnostic trouble code meaning: Invalid Data Received From Serial Data Gateway Module A. Common causes: broken or damaged can bus wires, oxidation of contacts in module connectors. Estimated repair cost: $56–278.
Symptoms
- Check Engine Light Is On
- Unstable operation of electronic systems
- Disabling some functions (cruise control, climate control)
- Errors in the operation of the dashboard
- Problems with diagnostics via OBD-II
Causes
- Broken or damaged CAN bus wires
- Oxidation of contacts in module connectors
- Data Gateway Module Failure
- Module power problems
- Software errors in the module firmware
How to Fix
- Check the integrity of the CAN bus wiring harness
- Inspect and clean the module connector contacts
- Check the gateway module supply voltage
- Scan all modules for additional errors
- Replace the data gateway module if necessary
Related codes
Error U0447 by Vehicle Brand
FAQ
What does the U0447 code mean?
U0447 is an OBD-II diagnostic trouble code that indicates: Invalid Data Received From Serial Data Gateway Module A
What causes a U0447 error code?
The most common causes of U0447 include: Broken or damaged CAN bus wires; Oxidation of contacts in module connectors; Data Gateway Module Failure; Module power problems.
How do I fix a U0447 diagnostic trouble code?
To fix U0447: Check the integrity of the CAN bus wiring harness. Inspect and clean the module connector contacts. Check the gateway module supply voltage. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with U0447?
Yes, but get it checked soon
How much does it cost to fix U0447?
The estimated repair cost for U0447 is $56–278. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat