OBD-II code · Network

U045D Invalid Data Received From Automated Driving System Control Module A

A receiving module detected implausible data from automated driving system (ADS) control module A. Trajectory plan, perception fusion or actuator commands fail plausibility checks and are rejected; automated mode degrades or hands back to the driver.

Is it safe to drive with U045D?

The car may go into limp mode (reduced power). Get it diagnosed before a long trip.

Common causes

  • Most likelyModule internal fault or sensor input drift
  • PossibleSoftware version mismatch after replacement
  • Less likelyGateway module routing CAN messages incorrectly

Symptoms

  • Multiple warning lights may illuminate
  • Affected modules may go into limp mode or shut down
  • Specific functions inoperative depending on module
  • Diagnostic tools may show communication faults

Repair at a glance

Difficulty
Hard
DIY friendly
Best left to a mechanic
Typical labour
1–6 h
Emissions test
Usually unaffected
After the fix
A drive cycle is needed before the light stays off
Parts involved
Ads Module A

Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.