Error code

OBD2 P0080

OBD2P0080
Diagnostic Trouble Code· Standard OBD-II fault code read from the vehicle's onboard diagnostics.

What it means

Exhaust Valve Control Solenoid Circuit High.

Severity

moderateCan drive, but performance issues may occur.

Summary

P0080 indicates an issue with the exhaust valve control solenoid circuit being too high in voltage on bank 1 of the engine.

Symptoms

  • Check Engine Light (CEL) illuminated
  • Rough idle
  • Poor performance
  • Reduced fuel economy

Common Causes

  • Wiring short to positive, causing excessive voltage
  • Damaged wire harness or connector between ECM and solenoid valve
  • Open circuit in the exhaust VVT solenoid coil

Diagnosis

  1. Check connector and harness for damage or corrosion.
  2. Measure voltage at the solenoid valve to confirm circuit integrity.
  3. Test resistance across the solenoid valve pins for proper operation.

Fixes

  • Repair damaged wiring or replace faulty VVT solenoid valve

FAQ

What does P0080 mean?

P0080 indicates a high voltage issue in the exhaust valve control solenoid circuit on bank 1 of the engine.

How do I diagnose P0080?

Use a multimeter to check for proper voltage and resistance at the VVT solenoid valve, inspect wiring harness for damage, and verify connector integrity.

Not affiliated with OBD2. Answer summarized from the manufacturer's manual linked above; consult that source for the authoritative procedure.