QC/T 1261-2025 English PDF - Transmission Control Unit Standard

Full Standard Name

Automotive transmission control unit

QC/T 1261-2025 Automotive transmission control unit

Standard Details

Sector / Industry Automotive
Standard Type QC/T (Recommended)
Standard Status Valid
Older Standard None
CCS Classification T21
ICS Classification 43.040.50
Issue Date 2025-12-17
Implementation Date 2026-07-01
File Type PDF
PDF Page Count About 22 pages
Competent Department Ministry of Industry and Information Technology
Quoted Standard GB/T 2423,GB/T 14762,GB/T 1769,GB/T 18352

QC/T 1261-2025 (English Version)

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QC/T 1261-2025 (Chinese Version)

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Standard Introduction

This document stipulates the terms and definitions, technical requirements, test methods and inspection rules for automotive transmission control units.

This document applies to automatic transmission control units for motor vehicles.

Standard Catalog

The standard consists of the following main sections:

  • Foreword

  • 1 Scope

  • 2 Normative References

  • 3 Terms and Definitions

  • 4 Technical Requirements

  • 4.1 General Requirements

  • 4.2 Basic Performance

  • 4.3 System Functions

  • 4.4 Electrical Loads

  • 4.5 Mechanical Loads

  • 4.6 Climatic Loads

  • 4.7 Electromagnetic Compatibility (EMC)

  • 5 Test Methods

  • 5.1 Test Conditions

  • 5.2 Appearance and Dimensions

  • 5.3 Basic Performance

  • 5.4 System Functions

  • 5.5 Electrical Loads

  • 5.6 Mechanical Loads

  • 5.7 Climatic Loads

  • 5.8 Electromagnetic Compatibility (EMC)

  • 6 Inspection Rules

  • 6.1 Classification of Inspection

  • 6.2 Factory Inspection

  • 6.3 Type Inspection

  • Appendix A (Informative) Arrhenius Model

  • A.1 Introduction to the Arrhenius Model

  • A.2 Examples of the Arrhenius Model

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