Software Incompatibility With Steering Effort Control Module
What it means
U0319 means the vehicle has detected that the steering effort control module — which tunes power-steering assist to speed — is running software or a calibration that doesn't match the rest of the network. It usually appears after a module is replaced or reflashed. The car stays controllable, but a mismatch can make steering heavier or inconsistent until the correct software is loaded.
Can I keep driving? Drivable but harder to steer — the car stays controllable, but variable steering assist may be lost, making the wheel heavier especially at low speed and parking; get it fixed promptly.
Common symptoms
What you'll notice
- Power-steering warning light with a U0319 stored, usually right after a module was replaced or reflashed
- Heavier or inconsistent steering effort, especially at low speed
- Loss of speed-sensitive steering assist
- Other communication or steering codes may set alongside it
Common causes
Most likely first
- Steering effort control module was replaced with one running a different software/calibration version than the vehicle needsLikely
- Interrupted or incomplete software update (reflash) of the moduleCommon
- Wrong part fitted — module part number does not match this vehicle or trimCommon
- Module installed but never programmed/configured with the vehicle's as-built dataLess often
- Software corruption within the moduleLess often
How to diagnose & fix
Work through it in order
- Scan all modules and confirm the code targets the steering effort control module; note its software and calibration part numbers.
- Verify the installed module is the correct part number for this VIN.
- Reprogram/reflash the module to the correct current software with an OEM-capable scan tool.
- Complete module configuration (write as-built/VIN data) after flashing.
- If a used or aftermarket module cannot be matched, fit the correct part and program it. Clear codes and confirm all modules report compatible versions.
FAQ
Quick answers
Is it safe to drive with U0319?+
Can I just clear U0319?+
Related codes
Often seen with U0319
Read & clear U0319 yourself
Scan your car, confirm the code, and clear it once it's fixed — with OBD DashX on your phone.