Allison WTEC II Transmission Troubleshooting Manual


Covers: Allison 3000, 4000 series transmissions with WTEC II controls

  • Pre-TransID and TID 1
  • MD3060/MD3066/MD3560(P)(R)/MD3070PT
  • HD4060/HD4560(P)(R)
  • B300/B400/B500(P)(R)

Pages: 414
Format: PDF file
File size: 16mb
Compatibility: Windows/Mac/Tablet
Notes: Instant digital download only – no printed copy or CD-ROM media.

Dated 12/2005. This manual provides troubleshooting information for Allison 3000/4000 WTEC II, MD/HD/B series transmissions. This manual includes:

  • Description of the WTEC II electronic control system
  • Description of the electronic control system components
  • Description of diagnostic codes, system responses to faults, and troubleshooting
  • Wiring, terminal and connector repair information


  • General Information
  • Scan Tool Use
  • Basic Troubleshooting Information
  • Sensors
  • TCM
  • Wire Testing
  • DTC Codes and Diagnostic Steps
  • General Troubleshooting
  • Input/Output Functions
  • Wiring Schematic
  • Hydraulic Schematic

Have any questions or need more details? Contact Us

SKU: ALL-WTEC2-TM Category:

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