F-CAN Malfunction Engine Control Module-Vehicle Stability Assist Modulator Control Unit


Table of contents

U0122 ACURA Possible Causes

  • Faulty Vehicle Stability Assist (VSA) Modulator Control Unit
  • Vehicle Stability Assist harness is open or shorted
  • Vehicle Stability Assist circuit poor electrical connection
  • Faulty Engine Control Module (ECM)

How do I fix code U0122 ACURA?

  Check the “Possible Causes” listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector’s pins.

Cost of diagnosing the U0122 ACURA code

  The cost of diagnosing the U0122 ACURA code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle’s make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.

Possible Symptoms

  • Engine Light ON (or Service Engine Soon Warning Light)

U0122 ACURA Description

  The Controller Area Network (CAN) transmits/receives pulsing signals to/from the control modules simultaneously by using two signal lines (CANH and CANL). When the Engine Control Module (ECM) does not receive the signals via the CAN lines for more than a set time, the ECM detects a malfunction and a Diagnostic Trouble Code (DTC) is stored.

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