Error code
OBD2 P0945
OBD2P0945
Diagnostic Trouble Code· Standard OBD-II fault code read from the vehicle's onboard diagnostics.
What it means
Hydraulic Pump Relay Circuit/Open.
Severity
moderateCan drive but may experience shifting problems.
Summary
P0945 indicates an open circuit in the hydraulic pump relay, which is part of the transmission control system.
Common Causes
- Wiring issues
- Faulty hydraulic pump relay
Fixes
- Replace the faulty hydraulic pump relay.
FAQ
What does P0945 mean?
P0945 indicates an open circuit in the hydraulic pump relay, which is part of the transmission control system.
How do I fix P0945?
The most common fix is to replace the faulty hydraulic pump relay. Check for any wiring issues as well.
Not affiliated with OBD2. Answer summarized from the manufacturer's manual linked above; consult that source for the authoritative procedure.
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