U0439
Invalid Data Received From All Terrain Control Module
U0439 is an OBD-II diagnostic trouble code meaning: Invalid Data Received From All Terrain Control Module. Common causes: problems with wiring to the control module, all terrain control module malfunction. Estimated repair cost: $56–278.
Symptoms
- Check Engine Light Is On
- Off-road modes do not work
- Problems with the all-wheel drive system
- Reduced functionality of driving assistance systems
- Errors in other related systems
Causes
- Problems with wiring to the control module
- All Terrain Control module malfunction
- Bad contacts in connectors
- Module software errors
- Module power problems
How to Fix
- Check the integrity of wiring and connectors
- Check power supply and grounding of the module
- Read error codes in other systems
- Flash or replace the control module
- Carry out CAN bus diagnostics
Related codes
Error U0439 by Vehicle Brand
FAQ
What does the U0439 code mean?
U0439 is an OBD-II diagnostic trouble code that indicates: Invalid Data Received From All Terrain Control Module
What causes a U0439 error code?
The most common causes of U0439 include: Problems with wiring to the control module; All Terrain Control module malfunction; Bad contacts in connectors; Module software errors.
How do I fix a U0439 diagnostic trouble code?
To fix U0439: Check the integrity of wiring and connectors. Check power supply and grounding of the module. Read error codes in other systems. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with U0439?
Yes, but get it checked soon
How much does it cost to fix U0439?
The estimated repair cost for U0439 is $56–278. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat