Engine-Codes - Generic - U1412

U1412 Code - Implausible Vehicle Speed Signal Received

- Code Popularity: 18,524 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
Table of contents

|What are the Possible Causes of the Code U1412?

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

|How to Fix the U1412 Code?

Start by checking 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.

|What is the Cost to Diagnose the Code U1412?

Labor: 1.0

The cost to diagnose 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.

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|What are Code U1412 Possible Symptoms?

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

|What Does the U1412 Code Mean?

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.

U1412 Code - Implausible Vehicle Speed Signal Received

|Need more Information on the U1412 Code?

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|Code U1412 Information for Specific Makes

|Need Help with the U1412 Code?

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