Detroit DT12 Transmission Service Manual


Covers: Detroit DT12 Transmission
Pages: 654
Format: PDF
File size: 393mb
Compatibility: Windows/Mac/Tablet
Notes: Instant digital download only – no printed copy or CD-ROM media.

This service manual contains detailed service and troubleshooting instructions, and code diagnostics for the Detroit DT12 automated transmission. Additionally, the electronic application & installation reference manual is included. Available in downloadable PDF format.

Dated 03/2020.


  • General Information
  • Transmission Fluid Requirements
  • TCM Wiring
  • Gear Ratios
  • Lifting and Stand Procedures
  • External Component Service
  • DT12 Disassembly/Assembly
  • Internal Component Repair
  • Torque Specs
  • DT12 Programming and Learning
  • Split Rod Bushing Repair + Video
  • Clutch
  • Symptom Diagnostics
  • SPN Fault Codes

Have any questions or need more details? Contact Us

SKU: DET-DT12-SM Category: Tag:

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