U0338
Software Incompatibility With Remote Function Actuation Module
U0338 is an OBD-II diagnostic trouble code meaning: Software Incompatibility With Remote Function Actuation Module. Common causes: outdated module software, error when flashing the control unit. Estimated repair cost: ~$167.
Symptoms
- Problems with the remote engine start
- Incorrect operation of comfort functions (heating, climate control)
- Error message on the dashboard
- Limitation of remote control functionality
- Periodic failures in the operation of electronic systems
Causes
- Outdated module software
- Error when flashing the control unit
- Data corruption in module memory
- Incompatibility after module replacement
- Problems with software updates via OTA
How to Fix
- Check that the software versions of all related modules are up to date
- Reflash problematic modules
- Reset the error and check for its reappearance
- Check the integrity of the wiring harness between the modules
- Contact your dealer for hardware diagnostics
Related codes
Error U0338 by Vehicle Brand
FAQ
What does the U0338 code mean?
U0338 is an OBD-II diagnostic trouble code that indicates: Software Incompatibility With Remote Function Actuation Module
What causes a U0338 error code?
The most common causes of U0338 include: Outdated module software; Error when flashing the control unit; Data corruption in module memory; Incompatibility after module replacement.
How do I fix a U0338 diagnostic trouble code?
To fix U0338: Check that the software versions of all related modules are up to date. Reflash problematic modules. Reset the error and check for its reappearance. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with U0338?
Yes, but get it checked soon
How much does it cost to fix U0338?
The estimated repair cost for U0338 is ~$167. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat