- Symptoms - Power Take-Off (PTO)

SYMPTOMS

IMPORTANT: The following steps must be completed before using the symptom tables.

1. Perform the Diagnostic System Check - Vehicle in Vehicle DTC Information, before using the Symptom Tables in order to verify that all of the following are true:
- There are no powertrain control module (PCM) or throttle actuator control (TAC) module DTCs set.
- The PCM and TAC module can communicate to each other via the serial data links. Diagnostic System Check - Vehicle
2. Review the system operation in order to familiarize yourself with the system functions. Refer to Power Take-Off (PTO) Description and Operation.

Visual/Physical Inspection
- Inspect the upfitter connections of the PTO system.
- Inspect the easily accessible, or the visible system components for obvious damage or conditions which could cause the symptom.
- Inspect the transmission and the hydraulic pump for the proper fluid level.

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:
- Power Take-Off (PTO) Does Not Engage
- Engine RPM Does Not Increase with Power Take-Off Engaged
- Power Take-Off (PTO) Indicator Inoperative