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Regrettably, encountering the Ford starting system fault implies that you are unable to initiate your engine. This can potentially lead to the need for a tow.

Additionally, dealers might not always provide the most effective solutions, potentially resulting in unnecessary expenses on replacement parts.

Nonetheless, this particular warning message pertains to a relatively straightforward system. In the majority of instances, it can be remedied quite easily and without delay.

Before delving into each potential cause, the specific fuses that require inspection, and the location of the fuse box connector, it is essential to understand the meaning behind this warning message.

Why Does My Ford Say Starting System Fault?



Ford owners' manuals reference the starting system fault code within the section labeled "Keys and Intelligent Access Messages." However, these manuals offer limited assistance to Ford owners seeking straightforward DIY solutions.

For instance, the 2022 Ford manual explicitly states that if the "starting system fault" message appears, it indicates that you are unable to initiate your engine using a correctly coded key. In such cases, Ford advises vehicle owners to seek professional servicing.

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A starting system fault in Ford vehicles can stem from either the use of an incorrectly coded or uncoded key. Alternatively, if you are employing the correct key, the issue may lie in a mechanical or electrical fault hindering your vehicle's starting process.

Since 1996, Ford has integrated a passive anti-theft system (PATS) into its vehicles. In more recent models, this system is referred to as "Secure Lock." Ford Secure Lock is designed to hinder engine ignition unless a properly coded key for the vehicle is used. Your Ford key or key fob's programming may be compromised for a number of reasons, including but not restricted to:

• Normal wear and tear over time
  
• Accumulation of dirt or moisture
  
• Replacement of the battery
  

Ford Starting System Fault Causes and Fixes

Fuse Box Connector



Based on numerous forum discussions and experiences shared by many, the most common solution to this issue appears to involve a particular electrical plug located within the cabin's fuse box.

This fuse box is situated inside the cabin. The problem with this connector is that its securing clamp does not always perform effectively, causing it to work its way loose at times.

It is worth noting that the fuse box may have multiple connectors, but the one you need to address is consistent across all generations.

You can visualize the appearance of this connector by browsing the forum, while the fuse box look in newer generations can be observed in the video below.

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Since the solution involves simply reseating the connector, it is advisable to inspect all of them. Here's how: In the passenger footwell, flush with the doors, you will find a plastic cover.

This cover conceals the fuse box, and to remove it, locate a notch on the side closer to the engine. Then, simply pull on the notch, and it will swing open like a door.

Following that, inspect all connectors on the fuse box and in its vicinity to ensure they are securely seated and reseat any that have come loose.

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Blown Fuses



If the previous solution does not resolve the issue, you might be dealing with blown relays 9, 26, and 27. Begin by checking fuse 9. Although its location may vary between generations, it could be in the interior fuse box or the engine bay.

To simplify the search, you are looking for the fuse designated for the PCM/TCM and fuel pump relay. Furthermore, fuses 26 and 27 in the engine bay fuse box could also be culprits.

Accessing these fuses is relatively straightforward. Fuse 26 has a rating of 10 A, while fuse 27 is rated at 5A. However, it is always advisable to inspect all the fuses when time allows and ensure they are all securely seated.

Disconnect the Battery



For some individuals, disconnecting the battery seemed to resolve the issue. This would not solve the issue permanently, but it may offer a temporary cure.

Even though the exact reason why it worked is not quite obvious, make sure to unplug the negative terminal of the battery and keep it detached for at least 10 minutes when disconnecting it.

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The factory terminal clamp bolt is typically 8 millimeters or 5/16 inches, but another instrument that works similarly can be used, like pliers. Examining the key is the next step to take if the error notice still appears after using this technique.

Replace the Key



If none of the previously mentioned solutions prove effective, though it is unlikely they would not, the key becomes the last possible culprit. Before purchasing a new key, if you have a spare, it is advisable to test it, as spare keys often resolve the issue.

If the spare key successfully starts the car, consider replacing the battery in the original key or having it inspected by a dealer. However, if you lack a spare key, a visit to a dealership becomes necessary.

Before requesting a new key, have them conduct a thorough inspection of your vehicle. A new key from a dealership typically costs around $280.

As an alternative, contacting a local locksmith is an option, as they often create such keys. In this case, the key may range between $80 and $180. It is essential to clarify with the locksmith whether any features will be missing so you fully understand the key's capabilities.

FAQ

How do you reset the anti-theft system on a Ford Ranger?

Begin by inserting the key into the driver's door lock and turning it slightly counterclockwise, without fully unlocking the doors. Maintain this position for approximately 50 seconds.

Next, turn the key clockwise but not to the point of locking the doors, and again hold it in this position for 50 seconds. Finally, unlock the vehicle and start the engine.

How do I disarm my Ford anti-theft system?

Disarming your Ford anti-theft system can be done in three ways. The first method is to use a remote key to unlock the doors or trunk.

The second option is to start the engine if the doors are already unlocked. Lastly, you can disarm the system by physically unlocking the doors with a key, but remember to start the engine within 12 seconds afterward.

Can a sensor keep your car from starting?

It is true that your car may include a number of sensors, including fuel pressure, throttle position, crankshaft, camshaft position, and brake pedal. It is crucial to remember that none of these sensors is in charge of bringing up the "starting system fault" notification.