AutoCodes - Generic - U1412

U1412 Code - Implausible Vehicle Speed Signal Received

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

|U1412 code possible causes

  • Faulty Transmission Control Module (TCM)
  • Transmission Control Module harness is open or shorted
  • Transmission Control Module circuit poor electrical connection

|How do I fix the U1412 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 U1412 code

Labor: 1.0

The cost of diagnosing the U1412 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 U1412 code possible symptoms?

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

|U1412 code description

The purpose of the monitoring is to detect rationality failures of the input speed and output speed sensor signals, as well as the wheel speed and engine speed, Controller Area Network (CAN) signals. There are three categories of rationalities which include: Multi-sensor comparisons of up to three signals (input, output, and wheel speed). Monitoring of the gradient of the input speed signal. Double failure monitoring to determine unique failure situations that could require unique limp-in functionality. The Diagnostic Trouble Code (DTC) sets when the failure is detected if the output speed gradient is less than a threshold for a calibrated amount of time.
OBDII Code U1412 - Implausible Vehicle Speed Signal Received -

|Need more information with the U1412 code?

Need more information on how to fix the U1412 code? Get Access to Factory Service Manuals

|U1412 code information for specific makes

|Need help with a U1412 code?

Get the U1412 code diagnosed by a professional: Find a repair shop in your area

|U1412 code comments

Help us improve Leave a comment below or tell us if the information above helps you fix the code. What are the symptoms on your vehicle for the U1412 code? Have you replaced any parts?
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Repair Importance Level: 3
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