U011D - Lost Communication With All Wheel Drive Control Module

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3    What is this?
Table of contents

U011D Possible Causes

  • Faulty All Wheel Drive Control Module
  • All Wheel Drive Control Module harness is open or shorted
  • All Wheel Drive Control Module circuit poor electrical connection

How do I fix code U011D?

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.
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Cost of diagnosing the U011D code

Labor: 1.0

The cost of diagnosing the U011D 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)

U011D Description

A Controller Area Network (CAN) is a vehicle bus standard designed to interconnect automotive devices without a host computer. Operating information and commands are exchanged among the devices. The devices have programmed information about what messages are needed to be exchanged on the serial data circuits. CAN bus uses two dedicated wires for communication. The wires are called CAN high and CAN low. When the CAN bus is in idle mode, both lines carry 2.5V. When data bits are being transmitted, the CAN high line goes to 3.75V, and the CAN low drops to 1.25V, thereby generating a 2.5V differential between the lines. Since communication relies on a voltage differential between the two bus lines, the CAN bus is NOT sensitive to inductive spikes, electrical fields, or other noise. The Diagnostic Trouble Code (DTC) sets when a periodic message from the All Wheel Drive Control Module has not been received.
OBDII Code U011d - Lost Communication With All Wheel Drive Control Module - AutoCodes.com

More Information

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