P1517 – Throttle Control Motor Relay Circuit (Nissan)

Description

The ECM detected a malfunction in the throttle motor relay circuit.

Want to confirm the real cause of this fault code?

A high-quality OBD2 scanner gives you live data, fuel trims, sensor readings and freeze-frame information — exactly what you need to verify the root cause of this code with confidence.

View Recommended Scanners

Symptoms

  • Poor acceleration
  • Limp mode

Causes

  • Relay failure
  • Open circuit
  • Wiring issue

Diagnosis

  • Test relay
  • Inspect wiring
  • Scan throttle data

Repair

  • Replace relay
  • Repair wiring