Network, generic

U0529 Invalid Data Received From Door Window Motor G

Check engine lightUsually off
EmissionsNot relevant
Drive cycleNot required
Limp modeNo

With G, J2012 reaches the seventh and last window motor slot, more than most vehicles will ever use. No manufacturer publishes U0529 or names a window for G. Should the code appear, it follows the logic of its siblings: motor G is heard on the network, yet its frames are rejected because of a checksum or counter error, a signal marked invalid or a value outside the agreed range. Supply problems are a frequent trigger, since lift motors draw high starting currents; NXP's MM908E624 design reports overvoltage and overtemperature in its status for that reason. For diagnosis, watch the reported position while operating the window and check supply and ground before replacing the motor. U0228 means the motor is silent.

Likely causes

Weak supply or ground causing faults under starting current
Window motor G or its electronics faulty
Motor electronics overheated after repeated operation

Symptoms

  • Window stops responding after several operations
  • Automatic functions of that window disabled

Repair estimate

DifficultyMediumWorkshop job
Parts and labour€0–450
Time0.3–2 h

Typical range across vehicles; the real cost depends on what the testing finds.

Parts involved

door window motor g

Related codes

U0228U0528U0523

References: nxp.com, en.wikipedia.org.