The average cost for an ignition control module replacement is between $274 and $386. Labor costs are estimated between $65 and $83 while parts are priced between $209 and $303. Estimate does not include taxes and fees.

Furthermore, what are the symptoms of a bad ignition control module?

Signs of a Bad Ignition Module

  • Acceleration Issues. The vehicle may shake, vibrate or jerk when the gas pedal is pressed. There may be hesitation or lack of power during increases in speed.
  • Temperature Problems. A faulty ignition module can cause a vehicle to overheat.
  • No Power. The engine may turn over without starting.

Also, what is an ignition module? The ignition module of your vehicle is the heart of your entire ignition system. Its two main roles are to create a spark strong enough to ignite the air/fuel mixture for combustion and to control the timing of the spark plugs by opening and closing the ignition coil ground circuit.

Then, how do you replace an ignition module?

How to Replace an Ignition Control Module

  1. Park your vehicle in a safe place and locate the ignition module.
  2. Look under the dashboard.
  3. Open the hood and remove the distributor cap using a Phillips screwdriver or ratchet and socket, but do not disconnect the spark plug wires from the distributor cap.
  4. Look on one side of the distributor.

How do you test an ignition control module?

Check for voltage at the coil positive terminal when the ignition key is on. Place the red lead of the multimeter on the positive coil terminal. Place the black lead to the battery negative terminal. Turn on the ignition switch to the “Run” position.

Related Question Answers

What would cause an ignition control module to fail?

The cause of an ignition control module failure is often associated with age and damage from heat buildup. The correction for this issue becomes the replacement of the failed component.

Where is ignition control module located?

The Ignition Control Module (ICM) is located in the distributor housing near the ignition coil. To access the module, remove the distributor cap, rotor, and if equipped, the dust cover.

How does the ignition control module work?

The ignition control module switches transistors on and off based on input from the magnetic pulse generator in the distributor. The magnetic pulse generators transmits an AC voltage signal that corresponds with engine speed and the position of the crankshaft position.

How do you fix an ignition control module?

Removal & Installation
  1. Turn OFF the ignition.
  2. Remove the accelerator cable from the bracket.
  3. Remove the accelerator cable bracket bolt.
  4. Remove the accelerator cable bracket.
  5. Disconnect the ignition control module (ICM) harness connector.
  6. Remove the ICM retaining screws.
  7. Remove the ICM from the ignition coil housing.

What is ICM in automotive?

ICM. Ignition Control Module. technology, auto, automobile. technology, auto, automobile.

What does the ignition coil do?

Ignition coils are an electronic engine management component that are a part of the vehicle's ignition system. The ignition coil functions as an induction coil that converts the vehicle's 12 volts into the several thousand that are required to jump the spark plug gap and ignite the engine's air-fuel mixture.

Why is dielectric grease used on the ignition module?

Dielectric grease is pretty much all silicone and use to keep moisture out not as a heat sink. Something else you might want to do, put a couple of washers per side between the ICM bracket and head.

What is a p1351 code?

OBD II fault code P1351 is a manufacturer specific code that most carmakers define as “Ignition Control Module Circuit Voltage”, or sometimes as “Ignition Control Module Circuit High Voltage”.

Can an ignition control module cause a misfire?

A faulty ignition module can affect ignition timing, resulting in an engine that misfires and runs rough. The engine may also run well at low speed, but won't accelerate well. 3. Stalling: A failing ignition module can occasionally prevent the engine from getting spark, causing it to stall.

How do you diagnose a bad ECM?

Another common symptom of a bad or failing ECM is a vehicle that will not start or struggles to start. If the ECM fails entirely, your car is left with no engine management control system, and as a result will not start. The engine may crank, but will not start without the vital inputs from the computer.

Does ignition module control fuel injectors?

The ICM doesn't control the injectors, but the ECM will not pulse them without a signal from the ICM. The ICM monitors the reluctor wheel on the distributor shaft and triggers the ignition coil at the proper moment to send spark out from the coil to the correct cylinder.

How do you test an ignition switch?

You can try a test to check the integrity of the ignition switch by turning the ignition key to the ‘start' position. As soon as it tries to start, let go of the key. Allow it to snap back to the ‘run' position and note warning lights. If they go out as the switch snaps back then the switch is faulty.

How do you change an ignition module?

How to Replace an Ignition Control Module
  1. Park your vehicle in a safe place and locate the ignition module.
  2. Look under the dashboard.
  3. Open the hood and remove the distributor cap using a Phillips screwdriver or ratchet and socket, but do not disconnect the spark plug wires from the distributor cap.
  4. Look on one side of the distributor.

What are the signs of a bad ignition coil?

Here are some of the most common symptoms of bad ignition coil.
  • #1 – Backfiring.
  • #2 – Poor Fuel Economy.
  • #3 – Engine Misfiring.
  • #4 – Vehicle Stalling.
  • #5 – Engine Jerking, Rough idling, Poor Power.
  • #6 – Check Engine Light On / DTC Code.
  • #7 – Engine Hard Starting.
  • CNP Coil Type.