Important: The following steps must be completed before using the symptom tables.
- Review the system Description and Operation in order to familiarize yourself with the system functions. Refer to
Power Take-Off (PTO) Description and Operation
.
- Perform the
Diagnostic System Check - Vehicle
before using the Symptom Tables in order to verify that all of the following are true:
| • | There are no diagnostic trouble codes (DTCs) set. |
| • | The control module or modules can communicate via the serial data link. |
Visual/Physical Inspection
| • | Inspect the easily accessible and visible system components for obvious damage or conditions which could cause the symptom. |
| • | Inspect the transmission for the proper transmission fluid level. |
| • | Inspect the hydraulic reservoir for the proper hydraulic fluid level. |
| • | Inspect the upfitter connections at the transmission. |
Intermittent
Faulty electrical connections or wiring may be the cause of intermittent conditions.
Symptom List
Refer to a symptom diagnostic procedure from the following list in order to diagnose the symptom:
