Error code
OBD2 P0085
OBD2P0085
Diagnostic Trouble Code· Standard OBD-II fault code read from the vehicle's onboard diagnostics.
What it means
Exhaust Valve Control Solenoid Circuit Low.
Severity
moderateCan drive, but performance issues may occur.
Summary
P0085 indicates an issue with the exhaust valve control solenoid circuit being low in voltage on bank 2 of the engine.
Symptoms
- Check Engine Light (CEL) illuminated
- Rough idle
- Poor performance
- Poor fuel economy
Common Causes
- Wiring harness and connector damage
- Open circuit in the solenoid coil
Diagnosis
- Check connector and harness for damage or corrosion.
- Measure voltage at the VVT solenoid valve to ensure it matches battery voltage.
- Inspect wire harness between ECM and VVT solenoid for breaks or shorts.
- Test resistance across the solenoid valve pins.
Fixes
- Repair damaged wiring harness or connector, replace faulty VVT solenoid valve if necessary.
FAQ
What does P0085 mean?
P0085 indicates a low voltage issue with the exhaust valve control solenoid circuit on bank 2 of the engine.
How do I diagnose P0085?
Use a multimeter to check for proper voltage and resistance in the VVT solenoid circuit, inspect wiring harness and connectors for damage.
Not affiliated with OBD2. Answer summarized from the manufacturer's manual linked above; consult that source for the authoritative procedure.
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