Trystan Casey
Alfa Romeo owners may need to reset their electric systems for a variety of reasons, including oil changes, battery issues, and warning light errors. While some issues can be resolved through do-it-yourself methods, such as pedal tricks or using the MES system, other problems may require a trip to the dealership or a licensed mechanic. Online forums and communities dedicated to Alfa Romeo enthusiasts provide a wealth of information and advice for troubleshooting and resolving electrical system issues.
How to reset the Alfa Romeo electric system:
| Characteristics | Values |
|---|---|
| Resetting the oil change indicator system | Place the ignition in the ON position (do not start the engine). Fully push the accelerator pedal slowly, three times within 10 seconds. Place the ignition in the OFF/LOCK position. |
| Resetting the oil change warning | Refer to the idle process to reset the oil level. |
| Resetting the oil change indicator | Use a professional OBD2 system or a Foxwell NT301 OBDII reader. |
| Resetting the service engine light | Try the "peddle stomping trick" by pushing the pedal 3-5 times. |
| Resetting faults after disconnecting the battery | Drive for a long time, turning the steering wheel all the way in different directions. Turn the engine on and off multiple times. |
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What You'll Learn
Resetting the oil change indicator
- Place the ignition in the 'ON' position (do not start the engine).
- Fully push the accelerator pedal slowly three times within 10 seconds.
- Place the ignition in the 'OFF/LOCK' position.
However, some users have reported that this method does not work for them, even with variations in the number of times the accelerator pedal is pushed. One user suggested that this method worked for them previously, but not after their most recent oil change.
Another user reported that they were only able to reset the code on a professional OBD2 system, and that taking the car to a local Alfa/Fiat dealer was the only way to successfully reset the oil change indicator.
It is worth noting that some Alfa Romeo models may have different procedures for resetting the oil change indicator, and it is always recommended to refer to the owner's manual or seek professional assistance if you are unsure.
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Resetting the service engine light
Another method that has been suggested is to try the 'pedal-stomping trick'. This involves placing the ignition in the ON position (without starting the engine), then fully pushing down the accelerator pedal slowly three times within 10 seconds, and finally placing the ignition in the OFF/LOCK position. If the indicator message illuminates when you start the vehicle, the oil change indicator system has not reset, and you will need to repeat the procedure.
Some owners have reported that this 'pedal-stomping trick' has not worked for them, even after multiple attempts. In these cases, it may be necessary to take the car to a dealer or service centre to have the warning reset. One owner reported that their dealer used a scanner to reset the service indicator and oil change warnings.
It is worth noting that some owners have expressed frustration with the complexity of the electrical control system and the need to go to a dealer for certain services. Some have also suggested that the process may be different for different models of Alfa Romeo, so it is always best to check the specific instructions for your vehicle.
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Faults after disconnecting the battery
Disconnecting the battery on an Alfa Romeo can result in various faults and issues. Some owners have reported that after reconnecting the battery, they experienced fault codes and warnings on the instrument panel, such as steering, ABS, and VDC faults. In some cases, the steering wheel angle sensor calibration may be lost, affecting features like hill holder and DNA.
To reset these faults, some owners have suggested the following procedures:
- Drive for an extended period, turning the steering wheel to its maximum left and right positions and then centring it within 30 seconds.
- Turn the engine on and off multiple times.
- Ensure that the vehicle is on a flat, horizontal surface, and repeat the steering wheel procedure.
- Try turning the engine off, locking the car for a short period (around 10 minutes), and then checking if the faults have cleared.
It is important to note that these procedures may not work for all models, especially newer ones like the Tonale. In some cases, a tool or adapter may be required to clear the faults, and it is recommended to refer to the owner's manual or seek assistance from an authorised service centre.
Additionally, some owners have reported other issues after disconnecting the battery, such as noisy shock absorbers, lack of sensitivity in blind-spot radar, and problems with ground wire strap corrosion, which can be costly to repair. It is always advisable to consult the dealership or a qualified mechanic if you are unsure about how to reset faults or address any other issues that may arise after disconnecting the battery.
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Resetting the oil change warning
Another owner of an Alfa Romeo 4C had to resort to using a professional OBD2 system to reset the oil change indicator, despite trying all the pedal and key tricks with no success. They noted that the reset was "buried deep" in the menus, and it took a good 15 minutes and two tries to find it.
Some owners have also suggested using the MES (Multi-Energy System) to reset the oil change warning, but this requires a security gateway bypass, which may not be accessible to all owners.
It is worth noting that some Alfa Romeo owners have reported that the oil change warning reset procedure has changed over time, and what worked for one oil change may not work for the next. For example, one owner noted that the "ign on, and push down the pedal 5 times" routine worked for their last oil change, but not for their most recent one.
Finally, some owners have reported that the only way to successfully reset the oil change warning is to take their vehicle to an Alfa Romeo dealer or mechanic, who can use their scanner to reset the service indicator and oil change warnings. This may be the most reliable method, although it can be inconvenient for owners who live far from a dealership.
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Cleaning the battery post
Cleaning the battery terminals can help your car battery perform stronger and longer. Before cleaning the battery, disconnect it by loosening the nuts on the clamps using a wrench. Once loose, remove the negative clamp first, then the positive clamp. Some batteries may be in the trunk or under a seat.
Mix one tablespoon of baking soda into one cup of water, and stir until thoroughly mixed. Grab an old toothbrush, dip it in your baking soda cleaner, and start scrubbing the terminals. This will take a bit of effort, and you'll need to continuously clean off the toothbrush as you work. Clean the terminals thoroughly until all the buildup has been removed.
After removing all the corrosion and dirt from the terminals, give the battery a quick rinse. Fill up a spray bottle with water and spray down the terminals, or wipe everything down with a damp rag. Then, use another rag to dry the terminals completely. Once the terminals are dry, apply a small amount of petroleum jelly to them. This will lubricate them, help prevent further corrosion, and help strengthen the connection.
Finally, reattach the positive and negative cables. Reattach the positive clamp to the battery first by tightening it with a wrench. Once it’s firmly in place, attach the negative clamp to the negative terminal on the battery and tighten with a wrench. Once the clamps are on, replace the rubber or plastic shields covering the clamp/terminal junction.
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Frequently asked questions
Place the ignition in the ON position. Fully push down on the accelerator pedal slowly, three times within 10 seconds. Place the ignition in the OFF/LOCK position. If the indicator message illuminates when you start the vehicle, the oil change indicator system did not reset. Repeat the procedure.
Start the engine on a flat, horizontal surface, turn the steering wheel to the two end positions, then centre it within 30 seconds.
MES stands for Multiscan ECU, which can be used to reset the oil change indicator.
You can try the "pedal-stomping trick" by pushing down on the accelerator pedal 3-6 times. You can also try using a Foxwell NT301 OBDII reader.
The IBS is the Intelligent Battery System on the Alfa Romeo Giulia/Stelvio.
