Comments on: 5 Symptoms of a Bad ECU (and Replacement Cost)

By: Joe L

Joe L — Tue, 22 Nov 2022 07:21:16 +0000

An exact match, used, is a great start and the best way to save time, money and aggravation. Make sure you get one that you can return without penalty. ie restocking fee.

By: This Reilly

This Reilly — Fri, 14 Oct 2022 09:07:04 +0000

What is the price of an ECU for mercedes year 2009 E230 W212, Mercedes quote MR 19000.

By: Sean

Sean — Mon, 06 Jun 2022 15:36:52 +0000

In reply to Kory Kramer. Sounds like this may be a wiring or grounding issue. I would start at the cam sensor wiring and work your way towards the main engine harness connector, that connects the rest of the wiring harness to the connectors attached to the intake manifold. Inspect the wiring to make sure there is no visible damage to the insulation. Check that all grounds are tight and free of corrosion. If you do have an electrical issue like this, you may be able to replicate the issue by jiggling the wiring around in different places while the car is running. Be careful to keep your hands away from hot and moving components if you decide to try this yourself.

By: Kory Kramer

Kory Kramer — Sun, 05 Jun 2022 23:46:35 +0000

I was 1 hour into a road trip in my 2009 Subaru Outback when the engine suddenly shut off and I had to cost to the side of the road and eventually get it towed back home. It turns over but will not start. Mine code reader gives me two codes, a P0600 and P0340 with a ER HC on the odometer. I have replaced the camshaft position sensor with no change. There was no check engine light on or any warning prior to the engine shutting off.

By: Sean

Sean — Mon, 02 May 2022 16:19:03 +0000

In reply to Hector. Could be a bad knock sensor. It's probably not a bad ECM. You could look up a factory service manual to test the knock sensor, or try just replacing the sensor if that's easier. The factory manual should have a wiring diagram for that system, and also a process that you can use to test the knock sensor using a multimeter. I like to test components before I replace them so I don't waste money replacing the wrong parts.

By: Hector

Hector — Sun, 01 May 2022 16:36:00 +0000

Check engine light went one on Honda Accord 2004 EX.
ODB link returns error code P0325 Knock Sensor 1 Circuit. No other error codes, I have not driven the car much since it happened a few days ago (~ 16 miles) but the ride does not feel any different, the car does not vibrate or shake, even when going up moderate hills and I do not feel a loss of power, but again, it have driven the car less than 20 miles.
The ECM and related sensors were never repaired or replaced, they are the original ones and the car has ~92,000 miles on it.
Is this just a Knock Sensor gone bad?
Should I see other error codes returned by diagnostics if the ECM unit went bad?
Thank you

By: JOSEPH MCPHILLIPS

JOSEPH MCPHILLIPS — Wed, 12 Jan 2022 07:36:32 +0000

I have a 2009 GMC sierra and no CH MSL does not work at all the brake lights do work and the cargo lights work what could this be the fuses are good

By: Sean

Sean — Mon, 06 Dec 2021 15:33:23 +0000

In reply to Vinayan D. If the consensus is a failed ECM you could try finding a replacement at a salvage yard and swapping it in. I would look on forums to learn how to do this, and see if any additional steps are required to program the new ECM.

By: Vinayan D

Vinayan D — Fri, 03 Dec 2021 01:57:25 +0000

I own a VW Vento 1.6TDI 2011 make.Now the engine speed is restricting to 1600 rpm. So I cannot drive the vehicle above 55-60 km speed and finding it difficult to overtake. The vehicle is running smoothly in these speed limits.The coil light and engine light is glowing. The VW service centre scanned the vehicle and told that ECM is faulty and needs replacement. All other modules and sensors are working perfectly. Other car mechanics also scanned and told that ECM is faulty. The probable cause is a software error. But the VW is not ready to re program it and said they don’t have such a work in their service schedule since the vehicle is Ten years old. The Error code is 0606. The vehicle is running at this condition for the last one month. Can anyone help me.

By: Conrade Howard

Conrade Howard — Sun, 28 Nov 2021 07:56:59 +0000

How much is it to recode a Nissan narvardo 2012 truck and who can do the recoding