P0945
Hydraulic Pump Relay/Control Circuit/Open
P0945 is an OBD-II diagnostic trouble code meaning: Hydraulic Pump Relay/Control Circuit/Open. Common causes: relay control circuit open, faulty hydraulic pump relay. Estimated repair cost: $6–28.
Symptoms
- Unstable operation of the power steering
- Periodic shutdown of related systems
- Malfunction indicator light comes on
- Reduced efficiency of hydraulic systems
Causes
- Relay control circuit open
- Faulty hydraulic pump relay
- Wiring Harness Problems
- Contact corrosion
- Control unit malfunction
How to Fix
- Check the integrity of the relay control circuit
- Check the condition of the hydraulic pump relay
- Inspect the wiring harness for damage
- Clean relay contacts and connectors
- If necessary, replace the relay
Related codes
Error P0945 by Vehicle Brand
FAQ
What does the P0945 code mean?
P0945 is an OBD-II diagnostic trouble code that indicates: Hydraulic Pump Relay/Control Circuit/Open
What causes a P0945 error code?
The most common causes of P0945 include: Relay control circuit open; Faulty hydraulic pump relay; Wiring Harness Problems; Contact corrosion.
How do I fix a P0945 diagnostic trouble code?
To fix P0945: Check the integrity of the relay control circuit. Check the condition of the hydraulic pump relay. Inspect the wiring harness for damage. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P0945?
Limited driving only, diagnose soon
How much does it cost to fix P0945?
The estimated repair cost for P0945 is $6–28. Actual cost depends on your vehicle, location, and labor rates.
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