Network, generic

U0536 Invalid Data Received From Lateral Acceleration Sensor Module

Check engine lightUsually off
EmissionsNot relevant
Drive cycleNot required
Limp modePossible

Lateral acceleration tells the stability system how hard the car is being pushed sideways in a bend; set against yaw rate and steering input it reveals whether the vehicle still follows the driver. U0536 is logged by a receiving module, usually the brake or ESC controller, when frames from a stand-alone lateral acceleration sensor module are present but unusable, for instance a reading beyond physical limits, an invalid flag or a broken message counter. Public manufacturer documents do not describe this code. Many designs have no separate lateral sensor any more: the 2011 Saab 9-5 bundles it in a multi-axis unit and reports bad data as U0125 with a failure type. With U0536 active, ESC and traction control are normally disabled and their lamps stay on, while ordinary braking works. U0124 covers a missing sensor.

Likely causes

Acceleration sensor element faulty or out of calibration
Module mounted loosely or in the wrong orientation after repair work
Corrosion or moisture at the module connector (often under seats or console)
Software or coding mismatch between sensor module and receiver

Symptoms

  • ESC and traction control lamps lit
  • No stability or traction intervention when cornering
  • Hill hold or adaptive cruise may be unavailable

Repair estimate

DifficultyMediumWorkshop job
Parts and labour€80–650
Time0.5–2.5 h

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

Parts involved

lateral acceleration sensor module

Related codes

U0124U0513U0125U0416

References: en.wikipedia.org, saabwisonline.com, static.nhtsa.gov.