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fiSiemens Simtec 71-serie Repair - ECUs
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Common problems
- Signal to ignition coils is missing
- No injector(s) signal
- Signal to Idle speed motor failing
- Fault on 5 volt circuit
- Multiple faults
Is your complaint not listed? Please contact our customer service
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website.custom_page.product.how_we_work.message_stockHow we work
We remanufacture the part you send. Prices are exclusive of VAT and possible shipping costs. Offer only applies to garages and dealers and not to individuals.Repair a Siemens Simtec 71-serie ECU?
The Siemens Simtec 71 series is an engine management system for 1.8 (Z18XE) engines used in various Vauxhall models. Drivers can notice problems with this ECU when the engine management light (MIL) on the instrument cluster is illuminated. Various other warnings can appear on the dashboard as well, the car can go into emergency mode or it might jerk and the engine might no longer run on all cylinders.
Possible defects and fault codes
Defects and faults of the ECU can be identified by a test drive, reading error codes or live data. As well as verifying the wiring, supply voltages and grounds with the wiring diagram. It is especially important to verify the input and output signals from the unit, as this is commonly where problems are found. Common faults are the lack of control of the throttle valve, injectors and ignition coils. Defects can also be present in the 5 volt circuit. Heat and vibration can cause the ECU to malfunction.
Often seen fault codes in the Simtec 71:
- P0201
- P0202
- P0203
- P0204 (injector circuit malfunction)
- P0325 (knocks-sensor)
- P0351, P0352, P0353
- P0354 (ignition coil circuit malfunction)
- P0120 in combination with
- P1550 and P0220 (Throttle/Pedal position sensor)
Effects on different components
A malfunctioning ECU will have a major impact on other control units in the vehicle. It is possible for the engine to lose power, not run properly or not start at all. There can also be fault codes in, for example, the ABS system, the TCU or the instrument cluster.
Risks
A defective ECU can cause faults like the engine not starting, erratic running, lose power. In these cases the engine management light (MIL) will illuminate. Failure to resolve the issue can result in engine damage.
Remanufacture solution
The ECU always undergoes an Entry Test upon reception. If the fault is found, the unit will be remanufactured. Before the unit is send the End Of Line test is performed to confirm that the faults have been resolved and the ECU is functioning properly.
Remanufacture an ECU by ACtronics?
Would you like to have a Siemens Simtec 71 or other ECU remanufactured? You can create a remanufacture request quickly and easily on our website. ACtronics has an extensive range of ECUs from well-known brands and models like: Bosch EDC16 or Delphi Delco Multec series
Would you like to have a product remanufactured that cannot be found on the website? Please contact our customer services to discuss the possibilities.
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1. Log in or create an account
ACTRONICS works exclusively with car companies, brand dealers and specialists. You need an ACTRONICS account to place an order. Our customer service will assess whether your account is approved based on the information you have entered.
2. Find your part and create an order
Select your vehicle at the top of this page and choose the part number that you can read on the part. Can't read the OE number? Then select the option "OE number is not in the list" on this page. Can't find the part? Then request a quote.
3. Enter your diagnostic information and order details
When you register a revision order, we ask for more information about your diagnosis, such as your observations and/or an error code. This helps us to carry out the revision. After this, you choose your shipping and payment preference and start the order.
4. Packing & shipping
Make sure the part is securely packed so that it is not damaged during transport. Have you chosen our pick-up service? Then we will ensure that the part is picked up from you. This happens on working days (between 08:00 and 18:00) often within a few hours. Have you chosen to ship it yourself? Then bring the package to a parcel point near you. In both cases, you will receive instructions from our customer service.
5. We test the part
We test and inspect your part as soon as it arrives with us. Then we start the revision. Sometimes our test shows something different than the diagnostic information. In that case, we will contact you and share our findings and diagnosis. We only charge test costs for this and no revision costs.
6. We revise the part
Our specialists revise your part. You will receive updates so that you are always aware of the status of your order. If your part has successfully passed our final test, we will ship it to you. If necessary, we will provide additional workshop instructions and tips.