P0606 BUICK code

The P0606 fault code means that there’s an error with your power control module (PCM). Your PCM is the computer inside your car that monitors all the vital systems. Basically, it’s the brain of your car. Every time you start the car, the PCM runs a series of checks to make sure everything is okay.

How do I fix error code P0606?

What repairs can fix the P0606 code?

  1. Repairing or replacing any wires that are broken and/or frayed.
  2. Repairing or replacing any broken and/or corroded connectors.
  3. Repairing or replacing PCM ground circuits that are faulty.
  4. Replacing or reprogramming the PCM.


Can you drive with P0606 code?

P0606 definition: The processor in the Engine Control Module (ECM) or Power Control Module (PCM) has a fault. Issue Severity: SEVERE – Stop driving immediately. Repair Urgency: Fix this code immediately (same day if possible) to avoid being stranded because the engine won’t start or run.

What causes P0606?

One of the most common reasons is frayed or corroded wires on the PCM itself. This can cause short-circuits or bad connections, leading to a P0606 fault code. The same thing can happen if the connectors on those wires are corroded. Another possible cause is a faulty ground circuit.

Where is ECM sensor located?

Zitat von Youtube: But typically they are found in the engine. Compartment. Under the passenger. Floorboard under the seats or behind the kick panels.

How much does a new module cost?

The cost for the new ECM will typically be around $800, with labor around $100, bringing the average total expense for an ECM replacement to approximately $900 before taxes and fees. This can increase depending on the shop you go to or the type of car you, running as high as $2,000.

How do you reset a powertrain control module?

Resetting the PCM on your vehicle will help to clear all codes from it after a problem is fixed.

  1. Open the hood of the vehicle.
  2. Disconnect the negative battery cable from the battery. Use a wrench to loosen the lock nut, and pull the cable off. This cuts the power to the PCM. Wait for five minutes.


How do you fix an ECM failure?

Fortunately, these issues can usually be resolved by replacing the corroded wires. If one of the wires shorts out to the frame, the ECM may fail entirely. This can also happen due to power surges due to a lightning strike or arc welding on the vehicle frame. Installing a new starter can also cause ECM failure.

How do you know if your car computer is bad?

The Most Common ECM Failure Symptoms

  1. Your ‘Check Engine’ Light Is On. Your car’s check engine light is a sort of catch-all that many people ignore. …
  2. Your Car Won’t Start. …
  3. Your Engine Stutters or Misfires. …
  4. Sudden Drop in Fuel Economy. …
  5. Sudden Loss of Acceleration. …
  6. Your Engine Shuts Off for No Reason. …
  7. Rough or Irregular Shifting.


How long does an ECU last?

An ECU is meant to last the lifespan of the vehicle, or at least 100,000 with proper maintenance. The electric control unit works with the currents in the engine to balance fuel and air intake for maximum performance of the engine.