AutoCodes - Generic - U1814

U1814 Code - Powertrain Wake-Up Communication Circuit

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3
Table of contents

|U1814 code possible causes

  • Faulty Body Control Module (BCM)
  • Body Control Module harness is open or shorted
  • Body Control Module circuit poor electrical connection

|How do I fix the U1814 code?

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 U1814 code

Labor: 1.0

The cost of diagnosing the U1814 code is 1.0 hour of labor. The auto repair's diagnosis time and labor rates vary by location, vehicle's make and model, and even your engine type. Most auto repair shops charge between $75 and $150 per hour.

|What are U1814 code possible symptoms?

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

|U1814 code description

The Body Control Module (BCM) activates the ignition circuit, when the ignition key is in ACC, ON or START. The ignition circuit wakes up the devices for serial data bus communication. The Diagnostic Trouble Code (DTC) will set when the BCM senses a short to ground on the ignition circuit.
OBDII Code U1814 - Powertrain Wake-Up Communication Circuit - AutoCodes.com

|Need more information with the U1814 code?

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|U1814 code information for specific makes

|Need help with a U1814 code?

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|U1814 code comments

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Repair Importance Level: 3
 
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