DCT Hydraulic Pump Pressure Low
2003-2010 Porsche Cayenne 3.2L V6
Description
The DCT hydraulic pump is not generating sufficient pressure for clutch actuation and gear selection.
Symptoms
- Check Engine Light
- Slow gear changes
- Clutch slip during shifts
- No drive in any gear
- Transmission warning light
- Creep function loss in stop-and-go
Common Causes
- Worn hydraulic pump
- Low hydraulic fluid level
- Internal seal leak
- Pressure accumulator failure
- Clogged hydraulic filter
Diagnostic Steps
- Check hydraulic fluid level
- Read system pressure PID
- Test pump motor operation
- Inspect accumulator charge pressure
- Check for external fluid leaks
Repair Notes
Replace hydraulic pump or repair internal leaks. Replace accumulator if pressure does not hold.
Related Codes
Other Powertrain Codes
- P0001Fuel Volume Regulator Control Circuit/Open
- P0002Fuel Volume Regulator Control Circuit Range/Performance
- P0003Fuel Volume Regulator Control Circuit Low
- P0004Fuel Volume Regulator Control Circuit High
- P0010Intake Camshaft Position Actuator Circuit/Open Bank 1
- P0011Intake Camshaft Position Timing Over-Advanced Bank 1
- P0012Intake Camshaft Position Timing Over-Retarded Bank 1
- P0013Exhaust Camshaft Position Actuator Circuit/Open Bank 1
- P0014Exhaust Camshaft Position Timing Over-Advanced Bank 1
- P0015Exhaust Camshaft Position Timing Over-Retarded Bank 1
P3045 on Other Vehicles
Porsche 718 Boxster
2017-2024 2.0L H4 Turbo
Porsche 718 Boxster
2017-2024 2.0L Turbo H4
Porsche 718 Boxster GTS
2020-2024 4.0L H6
Porsche 718 Boxster S
2017-2024 2.5L Turbo H4
Porsche 718 Cayman
2017-2024 2.0L H4 Turbo
Porsche 718 Cayman
2017-2024 2.0L Turbo H4
Porsche 718 Cayman GT4
2019-2024 4.0L H6
Porsche 718 Cayman GTS
2020-2024 4.0L H6
Common Questions
What does code P3045 mean on a 2003-2010 Porsche Cayenne?
P3045 stands for "DCT Hydraulic Pump Pressure Low". The DCT hydraulic pump is not generating sufficient pressure for clutch actuation and gear selection.
What are the symptoms of P3045 on a Porsche Cayenne?
Common symptoms of P3045 include: Check Engine Light, Slow gear changes, Clutch slip during shifts, No drive in any gear, Transmission warning light, Creep function loss in stop-and-go.
What causes P3045 on a 2003-2010 Porsche Cayenne?
Common causes of P3045 include: Worn hydraulic pump, Low hydraulic fluid level, Internal seal leak, Pressure accumulator failure, Clogged hydraulic filter.