U0315Software Incompatibility With Anti-Lock Brake System (ABS) Control Module
- Generic OBD-II code · Network
- How the car detects it
- U0315 concerns the ABS control module, which on most cars also hosts traction and stability control. A partner module stores the code when the brake controller's software, calibration or option configuration does not fit, typically after a module was replaced without setup. GM documents it under its own name: the 2011 Saab 9-5 and 9-4X code lists give U0315 to the electronic brake control module, and the procedure runs whenever supply voltage lies within 9-16 V and the bus is operating; there is no circuit test, the fix is configuration or programming. On the 2016-2017 Cadillac CT6 a new EBCM calibration stopped false U0435 entries against the rear steering (17-NA-130). ABS, traction and stability warnings may light while basic braking remains; the MIL is normally off. U0121 means lost contact, U0415 invalid data.
- What you may notice
- ABS, traction control and stability warning lamps on
- Stability and assistance functions switched off
- Code present right after brake module replacement
- Likely causes
- LikelyABS/EBCM replaced and not configured or programmed for the vehicle
- PossibleUsed unit from a vehicle with different equipment or drivetrain
- RareEngine, steering or chassis module updated to a level the ABS unit does not support
- Repair
- Workshop only · Usually a job for a workshop.Typical cost: €80 – €500
- Related codes
Explanation from obdex (CC0), exactly as the app shows it. Guidance only; confirm with a workshop.