6-6 Troubleshooting 022-00029AE Operation and Maintenance Manual
TRANSMISSION ERROR CODES
The first number of the error code is the category that it is grouped into. They are as follows for the first
number:
1 Digital Input Signals
2 Analog Input Signals
3 Speed Signals
4 Speed Signals
7 Analog Current Output Signals
8 Analog Current Output Signals
9 Digital Output Signals
A Digital Output Signals
BClutch Errors
D Power Supply
E High Speed Signals
F General Errors
Drive shaft vibration Noisy
universal joints
Bent drive shaft Replace drive shaft
Loose universal joints Tighten bolts that secure joints
Worn or damaged universal joint Replace universal joint
Loose universal joints Tighten bolts that secure
universal joints
Lack of lubrication Lubricate universal joints
Worn slip joint spline Replace slip joint
Noisy Front or Rear Axle Worn or broken gears Replace gears
Low oil level, poor quality oil Add oil, change oil
Worn bearings Replace bearings
Worn shaft spline Replace spline
Error Code
Number
Meaning of Error Code Remarks
11 Logical error at gear range signal.
12 Logical error at direction select signal.
21 Short circuit to battery voltage at clutch cutoff input.
Problem Possible Causes Remedies