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Diagnostic trouble code P0351 Powertrain
Unverified Powertrain (P) Ignition

Ignition coil A primary/secondary circuit malfunction

The ignition coil primary circuit has an electrical fault.

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System
Ignition
Updated
Views
11

What P0351 means

The ignition coil primary circuit has an electrical fault.

Symptoms you may notice

  • Misfire
  • Rough idle
  • Check engine light

Possible causes

  1. Faulty ignition coil
  2. Wiring fault
  3. Bad ECM driver

Causes are listed from most to least likely for this code. Confirm the actual cause with the diagnostic checks before replacing parts.

Checks to run

  1. Swap the coil with another cylinder
  2. Test the primary circuit

Tools you may need

Multimeter OBD-II scanner
More Ignition codes →
P0352 Ignition coil B primary/secondary circuit malfunction Ignition Powertrain P0353 Ignition coil C primary/secondary circuit malfunction Ignition Powertrain

Verification and editorial notes

Unverified
Verification status
Unverified
Editorial status
Published
Published
Last updated
Translations
Français, العربية

This page has not been technically verified yet. Confirm the diagnosis and measurements in the workshop manual for your vehicle.

Diagnose before replacing. A diagnostic trouble code identifies the circuit or system the control unit flagged. It does not prove that a particular part has failed. Confirm the cause with the measurements and checks above, and follow the workshop manual for your exact engine before replacing parts or clearing codes.

Keep diagnosing

Guided diagnostic Live OBD scanner Problem finder Guides Diagnostic courses Repair procedures OBD protocols PID dictionary
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