What are the opening hours?

Monday 9am - 5:30pm Tuesday 9am - 5:30pm Wednesday 9am - 5:30pm Thursday 9am - 5:30pm Friday 9am - 5:30pm

ECU Testing

Home
United Kingdom
Heanor
ECU Testing

Common automotive ECU (Electronic Control Unit) faults with advice and guidance for diagnosing these complicated problems on the vehicle.
(360)

22/10/2026

⚙️ 🔮 DSG mechatronics preselect the next likely gear before the shift takes place. By combining electronic inputs with hydraulic control, the unit can engage gears quickly and precisely. ❌ When it begins to fail, that smooth operation can give way to clunking, jerking, loss of gears or even complete loss of drive. See how DSG mechatronic failure presents and which units are commonly affected here: https://link.ecutesting.com/DSG-Mechatronic-Repair

21/10/2026

⚡ A high-voltage camshaft position sensor fault code can indicate a short-to-voltage somewhere within the circuit. 👨‍🔧 Tim will show you how to isolate where the fault originates. 👀 Watch the full camshaft position sensor diagnostic guide here: https://www.youtube.com/watch?v=FTY11IeWBsk

20/10/2026

❓ Are you seeing a stuck or unresponsive speedometer, or incorrect temperature or fuel gauge readings on your Corsa instrument cluster? ⚠️ These symptoms are often caused by a common internal failure in the cluster that affects Corsa models across multiple generations. 👀 Check if your vehicle is affected and find the solution here:https://link.ecutesting.com/Corsa_Instrument_Panel_Fault

15/10/2026

🚙 🟰 🚗 Different badge, same ECU fault: EDC17CP14-2.4 failure affects 2.0L TDI Golf Mk6, Passat B6 and facelift Octavia Mk2 models fitted with CBAB or CBBB engines. Continued heat and electrical stress can degrade the ECU internally, with failure presenting as limp mode, sudden cut-out or complete non-start. 🧑‍💻 See which VAG models share the EDC17CP14-2.4 and how its failure presents here: https://link.ecutesting.com/EDC17CP14_ECU_Fault

14/10/2026

⚡ A low-voltage camshaft position sensor fault code can be caused by several points within the circuit. 👨‍🔧 Tim shows why the loom still needs checking even if an ECU fault has been identified. 👀 Watch the full camshaft position sensor diagnostic guide here: https://www.youtube.com/watch?v=FTY11IeWBsk

13/10/2026

⚡ BMW’s BDC replaced both the FEM and REM, consolidating their body-control functions into one module. ♨️ 💺 Across FEM and BDC modules, exterior lighting faults are most common, while electric window and heated seat functions can also be affected. See how BMW FEM and BDC modules differ, which models use them and how failure presents here: https://link.ecutesting.com/BMW_BDC_Module_Fault

08/10/2026

❌ ▶️ ME9.7 failure on M272 V6 and M273 V8 Mercedes engines can start with misfires before progressing to non-start. 🚨 This ECU was widely fitted across models including the C-Class, CL-Class and CLK, with affected vehicles also showing engine warning lights or loss of communication. See which Mercedes models use the Bosch ME9.7 and how its failure progresses here: https://link.ecutesting.com/Bosch_ME9.7_Fault

07/10/2026

❌❗ An incorrect reading at the camshaft sensor connector doesn’t tell you where in the circuit the fault lies. 👨‍🔧 Tim shows you how to determine whether the fault is in the wiring loom or needs further investigation at the ECU. 👀 Watch the full camshaft position sensor diagnostic guide here: https://www.youtube.com/watch?v=FTY11IeWBsk

06/10/2026

🌡️ 🫨 Heat cycling and vibration can expose weaknesses in the Defender instrument cluster’s internal circuitry. Faults can cause multiple gauges to drop out, LCD failure or complete non-start, with the cluster also fitted to the Discovery 3, Freelander 2 and first-generation Range Rover Sport models. 🔎 See which Land Rover models share this instrument cluster and how failure presents here: https://link.ecutesting.com/Land_Rover_Defender_Cluster_Faults

01/10/2026

🚗 Powertrain control modules combine engine and transmission management within a single control unit. Although PCM, ECU and ECM are often used interchangeably, they do not always describe the same type of module. 👨‍🏫 Learn how a PCM works and how it differs from an engine ECU and transmission control module here: https://link.ecutesting.com/PCM-explained

Address

Delves Road
Heanor
DE757SJ

Opening Hours

Monday	9am - 5:30pm
Tuesday	9am - 5:30pm
Wednesday	9am - 5:30pm
Thursday	9am - 5:30pm
Friday	9am - 5:30pm

Website

https://www.ecutesting.com/

Alerts

Be the first to know and let us send you an email when ECU Testing posts news and promotions. Your email address will not be used for any other purpose, and you can unsubscribe at any time.

Contact The Business

Send a message to ECU Testing:

Want your business to be the top-listed engineering company in Heanor?