Error code

OBD2 P3477

OBD2P3477
Diagnostic Trouble Code· Standard OBD-II fault code read from the vehicle's onboard diagnostics.

What it means

Cylinder 10 Exhaust Valve Control Circuit/Open.

Severity

highDriving with this issue may cause further engine damage, so it is recommended not to drive until repaired.

Summary

P3477 indicates an issue with the exhaust valve control circuit or open condition in cylinder 10 of the engine.

Common Causes

  • Faulty exhaust valve control solenoid for cylinder 10
  • Open circuit in the wiring harness related to cylinder 10's exhaust valve

Fixes

FAQ

What does P3477 mean?

P3477 indicates a problem with the exhaust valve control circuit or open condition in cylinder 10 of your engine.

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