P2759 Possible Causes
- Low transmission fluid level
- Dirty transmission fluid
- Faulty SLU shift solenoid valve
- SLU shift solenoid valve harness is open or shorted
- Poor electrical connection in the SLU shift solenoid valve circuit
Stuck valve body
How to Fix Code P2759
Check the “Possible Causes” listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector pins.
Possible Symptoms
Illuminated engine light (or service engine soon warning light)
P2759 Meaning
The current flow to the solenoid is controlled by the ECM output signal’s duty cycle*. The higher the duty cycle, the greater the lock-up hydraulic pressure during lock-up operation.