P1371 – Ignition Coil Primary Circuit High Voltage (Nissan)

Description

The ECM detected an abnormally high voltage in the ignition coil primary circuit.

Need More Than Just the Fault Code?

A diagnostic scanner with live data, freeze-frame information and the right system access can help you investigate the actual cause before replacing parts.

Compare Diagnostic Scanners

Symptoms

  • Misfire
  • Hard start

Causes

  • Short to power
  • Coil failure
  • ECM driver issue

Diagnosis

  • Check wiring for shorts
  • Inspect coil
  • Scan ignition data

Repair

  • Repair wiring
  • Replace coil