P064B
PTO Control Module
A general fault on the power take-off (PTO) control module - reports internal performance issue or communication trouble. Affects vehicles with auxiliary mechanical drives (cranes, snow ploughs, hydraulic pumps).
- Check engine light: Yes
- Emissions related: No
- Repair difficulty: medium
Symptoms
- Check engine light on
- Possible limp mode or no-start
- Multiple follow-up faults across modules
- Reset/relearn may be needed after repair
Common causes
Ordered by how often each turns out to be the cause.
- Module internal faultCommon
Parts involved
- Pto Control Module
P064B is a generic OBD-II code defined by SAE J2012. Exact wording and diagnostic procedure vary by manufacturer and model. Code definitions are drawn from the public-domain OBDex dataset; the workshop notes are our own.