OBD-II code · Network

U045A Invalid Data Received From Parking Assist Control Module A

A receiving module detected implausible data from parking assist module A. Ultrasonic distance values or trajectory commands fail plausibility checks and are rejected, suspending automated parking.

Is it safe to drive with U045A?

Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.

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
Medium
DIY friendly
Best left to a mechanic
Typical labour
0.5–3 h
Emissions test
Usually unaffected
After the fix
A drive cycle is needed before the light stays off
Parts involved
Parking Assist Module A

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