P0351 GMC code

The P0351 DTC is seen when the ignition coil A primary or secondary circuit has a malfunction. The engine control module is looking for specific signals from the ignition coil A and when these signals are not seen the ECU sets the Check Engine Light. The Check Engine Light will be illuminated on the dashboard.

How do I fix the engine code P0351?

How Is The P0351 Code Fixed?

  1. Replacing the ignition coil.
  2. Replacing the spark plug and spark plug wire.
  3. Repairing or replacing an ignition coil connector.
  4. Repairing any other electrical wiring or connector faults.
  5. Replacing the throttle body.
  6. Repairing or replacing the PCM.


Which is ignition coil A?

Zitat von Youtube: It's got a connector that goes to the ECU. And the rest of the ignition coil. Goes down into the cylinder head and connects to a spark plug in the combustion chamber.

Which cylinder is P0351?

The P0351 code appears when the powertrain control module (ECM/PCM) perceives a problem with the cylinder #1 ignition coil or its circuit.

What is ignition coil f primary secondary circuit malfunction?

What Does the P0356 Code Mean? Diagnostic trouble code (DTC) P0356 stands for “Ignition Coil F Primary/Secondary Circuit Malfunction.” If the PCM perceives a possible problem in one of the ignition coils or if it loses control of the circuit, it logs error code P0356.

What causes a P0351 code?

The P0351 DTC is seen when the ignition coil A primary or secondary circuit has a malfunction. The engine control module is looking for specific signals from the ignition coil A and when these signals are not seen the ECU sets the Check Engine Light. The Check Engine Light will be illuminated on the dashboard.

What is primary and secondary ignition?

Ignition systems have two circuits that result in a spark being fired at the end of a spark plug. The primary circuit is between the battery and the ignition coil. The secondary circuit is between the ignition coil and the spark plug.

What is an ignition coil B?

The ignition coil B (or coil number 2) is located above cylinder number 2 of your vehicle’s engine. In simpler terms, there’s a problem with the ignition process in cylinder number 2. Note: The last digit of the trouble code refers to the cylinder number of your engine.

What is ignition coil a secondary circuit?

The secondary circuit is made of the secondary ignition coil windings, distributor cap, distributor rotor, spark plug cable, and spark plug. Distributor-less systems have no distributor cap or distributor rotor. The Secondary circuit transfers the spark to the spark plugs.

What are the symptoms of a failing ignition coil?

What Are the Signs of a Faulty Ignition Coil?

  • Loss of Power. This is one of the first symptoms of ignition coil failure. …
  • Check Engine Light On. …
  • Poor Fuel Economy. …
  • Backfiring. …
  • Misfiring Engine. …
  • Hard Starts and Stalling. …
  • Spluttering and Coughing Sounds. …
  • Jerking and Vibrating.