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C1130 Code: Understanding Its Meaning and Common Causes



Introduction to C1130 Code

C1130 is a diagnostic trouble code (DTC) that indicates a problem with the ABS (Anti-lock Braking System) system in a vehicle. The code specifically refers to the ABS hydraulic valve circuit.

When this code appears, it means that there is an issue with one or more of the valves in the ABS hydraulic control unit. This can cause problems with braking performance and stability, especially when driving on slippery surfaces.

The ABS system is responsible for preventing wheel lock-up during hard braking, which helps maintain steering control and prevent accidents. When the C1130 code appears, it means that there may be issues with this critical safety feature.

There are several possible causes of the C1130 code. These include damaged or corroded wiring or connectors in the ABS system, a malfunctioning hydraulic valve relay, and issues with sensors or other components within the ABS system.

If you receive this error code while driving your vehicle, it’s important to have it diagnosed and repaired as soon as possible by a qualified mechanic. Ignoring this issue could result in reduced braking performance and increased risk of accidents on the road.

In some cases, resolving this problem may require replacing one or more components within the ABS system. Your mechanic will need to diagnose exactly what is causing this error before determining what steps are needed to fix it.

Overall, if you encounter the C1130 error code while driving your vehicle, don’t hesitate to take action right away. By having your car inspected by an experienced technician and addressing any underlying issues promptly, you can help ensure safe operation on all types of roads and conditions.

Understanding the Onboard Diagnostic (OBD) System

The Onboard Diagnostic (OBD) system is an electronic system that monitors the performance of a vehicle’s engine, transmission, and emissions systems. The OBD system was introduced in the 1980s as a way to reduce emissions and improve fuel efficiency.

The OBD system consists of sensors and actuators that gather data about the vehicle’s performance. This data is then processed by an onboard computer called the Engine Control Module (ECM). If any problems are detected, the ECM will turn on a warning light on the dashboard known as the Malfunction Indicator Lamp (MIL).

There are two types of OBD systems: OBD-I and OBD-II. OBD-I was used from 1981 to 1995, while OBD-II has been used since 1996. Both systems have similar components but use different communication protocols.

To access information from an OBD system, a diagnostic tool must be connected to the vehicle’s Data Link Connector (DLC). This connector is usually located under the dashboard on either side of the steering column. Once connected, the diagnostic tool can communicate with the ECM to retrieve diagnostic trouble codes (DTCs) and other information about how well your car is running.

One important thing to note about DTCs is that they do not tell you exactly what part needs to be replaced or repaired. Instead, they provide clues as to where you should start looking for problems. For example, if you get a code for an oxygen sensor malfunction, it could mean that there is a problem with one or more sensors or with something else in your car’s emission control system.

In summary, understanding how your car’s onboard diagnostic system works can help you diagnose problems when they occur. By using a diagnostic tool to read DTCs and other information from your car’s ECM, you can get a better idea of what needs to be repaired or replaced. This can save you time and money in the long run by preventing unnecessary repairs or replacements.

What is C1130 Code?

C1130 code refers to a diagnostic trouble code (DTC) that indicates a problem with the ABS system of a vehicle. The ABS, or anti-lock braking system, is responsible for preventing the wheels from locking up during sudden stops or emergency braking situations. This helps maintain steering control and stability while stopping.

When the ABS system detects an issue, such as a malfunctioning sensor or hydraulic pump, it will trigger the C1130 code and illuminate the ABS warning light on the dashboard. This can indicate several issues within the ABS system that require immediate attention to ensure safe driving conditions.

The C1130 code may also be accompanied by other related codes such as C1101, which indicates a failure in the battery voltage circuit; C1108, which suggests an issue with one of the wheel speed sensors; and C1115, which points towards problems with brake fluid pressure sensors.

To diagnose and repair this issue correctly requires specialized equipment and training. It is recommended that owners seek professional help from ASE certified technicians who have experience in diagnosing and repairing ABS systems.

If left unchecked or improperly repaired, issues with your car’s anti-lock braking system could lead to unsafe driving conditions for you and others on the road. Therefore it’s important to address any potential issues promptly upon detecting them through DTCs like C1130.

Symptoms of C1130 Code

The C1130 code is a generic OBD-II trouble code that indicates an issue with the engine’s ABS system. The code can be triggered by a number of different issues, including problems with the wheel speed sensors, brake fluid levels or pressure, and wiring issues.

One of the most common symptoms associated with the C1130 code is an illuminated check engine light on the dashboard. This light may be accompanied by other warning lights such as the ABS or traction control warning lights. In addition to these warning lights, drivers may also notice a decrease in overall braking performance or difficulty stopping their vehicle altogether.

Another symptom commonly associated with this code is a loss of power steering assistance. This can make it difficult for drivers to steer their vehicle at low speeds, which can be dangerous in certain situations such as when trying to navigate tight corners or park in tight spaces.

Lastly, some drivers may experience unusual noises coming from their brakes when they apply pressure to them. These noises could include grinding sounds or squeaking sounds and are often indicative of worn brake pads or rotors. If left untreated, these issues could lead to more serious problems down the line and potentially put you and your passengers at risk while driving.

In conclusion, if you notice any combination of these symptoms while driving your vehicle, it’s important to have it inspected by a qualified mechanic as soon as possible. Ignoring these warnings could result in further damage to your car’s systems and ultimately compromise your safety on the road.

Common Causes of C1130 Code

The C1130 code is a diagnostic trouble code (DTC) that indicates an issue with the engine signal or communication between various modules in the vehicle. Here are some common causes of the C1130 code:

1. Failed ABS Control Module

A failed ABS control module can trigger the C1130 code as it affects communication between other modules like the engine control module (ECM). The ABS control module is responsible for monitoring wheel speeds and sending signals to other systems, including the ECM, to ensure proper vehicle operation.

2. Malfunctioning Wheel Speed Sensors

The wheel speed sensors provide information about each wheel’s rotation speed to help maintain traction control and stability control systems. If one or more wheel speed sensors malfunction, it can cause erratic behavior in these systems and trigger DTCs such as C1130.

3. Faulty Brake Light Switch

A faulty brake light switch could also be responsible for triggering a C1130 code. This switch sends signals to multiple modules in your car when you depress or release your brake pedal; if this switch malfunctions, it may not send accurate signals causing issues with communication between different modules.

4. Loose Electrical Connections

A loose electrical connection anywhere within your car’s wiring harness could also cause a communication error resulting in DTCs like C1130 being triggered by onboard diagnostics system (OBD-II). It is important to check all connections thoroughly before replacing any major components.

5. Corroded Wiring Harnesses or Connectors

If there is corrosion on any part of your wiring harnesses or connectors, it can lead to poor connectivity which may result in incorrect readings or communication errors. Corrosion can be caused by exposure to the elements, salt on the roads, or even just normal wear and tear over time.

6. Failed Engine Control Module (ECM)

The engine control module is responsible for monitoring various sensors throughout your car’s system and ensuring everything is functioning correctly. If this module fails, it could cause issues with communication between other modules resulting in DTCs like C1130 being triggered.

Overall, there are several potential causes of a C1130 code that may impact your vehicle’s operation in different ways. It is important to have a professional mechanic diagnose and repair any issues as soon as possible to avoid further damage or safety concerns while driving.

a. Faulty ABS Control Module

One of the common reasons for the C1130 code is a faulty ABS control module. The ABS control module is an integral part of the vehicle’s braking system, responsible for regulating and controlling brake pressure to ensure safe stopping of the car.

When the ABS control module malfunctions or fails completely, it can trigger various error codes, including C1130. This happens because a faulty ABS control module cannot communicate properly with other components in the braking system, leading to incorrect readings and malfunctioning brakes.

To diagnose a faulty ABS control module as the cause of C1130, mechanics will typically run tests using specialized diagnostic tools that can read error codes and perform live data analysis on various components in the vehicle’s braking system.

If a faulty ABS control module is identified as the culprit behind C1130, it will need to be replaced entirely. In some cases, mechanics may also recommend replacing other related parts like sensors or valves to prevent further issues down-the-line.

It’s important to address a faulty ABS control module promptly since this component plays such an essential role in keeping drivers safe on roads. A defective unit can lead to unpredictable brake behavior and even complete brake failure if left unchecked – making professional diagnosis and repair critical for any driver experiencing symptoms associated with C1130 errors.

b. Malfunctioning Wheel Speed Sensor

One of the most common causes of the c1130 code is a malfunctioning wheel speed sensor. The wheel speed sensors are responsible for sending signals to the ABS module, which uses this information to determine when and how much pressure needs to be applied to each brake in order to prevent skidding.

If one or more of the wheel speed sensors is not functioning properly, it can cause inaccurate data to be sent to the ABS module, resulting in improper braking performance and triggering the c1130 code.

The problem may lie with a damaged or broken wire leading from one of these sensors or even with some debris that has become lodged between a sensor and its magnetic ring. It’s also possible that moisture or corrosion could have affected the sensor itself over time.

Regardless of what specifically caused your car’s c1130 code due to a malfunctioning wheel speed sensor, you’ll need help from an experienced technician who can diagnose and repair this issue correctly. They will use specialized diagnostic tools designed specifically for identifying problems with these essential components so they can quickly pinpoint where any issues might lie before fixing them as needed.

Fortunately, repairing faulty wheel speed sensors typically isn’t too difficult once identified by professionals familiar with automotive systems like yours! So don’t hesitate – if you suspect something is amiss under your hood based on warning lights like those associated with c1130 codes – contact trusted experts today who know exactly how best fix whatever underlying concerns exist!

c. Wiring Issues

One of the most common causes of a c1130 code is wiring issues in the ABS system. The ABS system relies on a network of wires and sensors to communicate with each other and with the main computer.

If there is a break or short circuit in any of these wires, it can cause communication errors and trigger the c1130 code. This can be caused by physical damage to the wiring, such as corrosion or fraying, or by an electrical issue such as a blown fuse.

To diagnose wiring issues, technicians will often use a multimeter to check for continuity in each wire. They may also visually inspect the wiring for signs of damage or corrosion.

Once identified, damaged wires must be repaired or replaced as necessary. In some cases, this may involve rewiring part of the ABS system entirely.

It’s important to note that wiring issues can sometimes be difficult to diagnose and repair due to their location within the vehicle’s systems. It may require specialized knowledge and equipment to properly identify and fix these problems.

Regular maintenance checks on your vehicle’s electrical systems can help prevent wiring issues from occurring in the first place. If you suspect an issue with your ABS system, it’s important to have it diagnosed and repaired promptly before further damage occurs.

d. Low Brake Fluid Level

One of the possible causes of the c1130 code is a low brake fluid level. The brake system in your vehicle relies on hydraulic pressure to function properly, and this pressure is generated by the brake fluid. When there isn’t enough fluid in the system, it can cause a drop in pressure which can trigger various warning lights and codes.

To check if your brake fluid level is low, locate the brake master cylinder under the hood of your car. It’s usually located near the firewall on the driver’s side of the engine compartment. The container should have markings indicating minimum and maximum levels for proper operation.

If you notice that your brake fluid level is low, you should add more immediately before driving again as it could lead to dangerous situations like reduced braking power or complete loss of brakes if left unchecked for long periods.

It’s important to note that a sudden decrease in brake fluid level may indicate a leak somewhere within your braking system which needs immediate attention from an experienced mechanic who can diagnose and repair any issues with precision so that you don’t put yourself or others at risk while driving.

Diagnosis of C1130 Code

The C1130 code is a diagnostic trouble code (DTC) that indicates a problem with the ABS system in your vehicle. This code is specific to Nissan and Infiniti vehicles, and it typically means that there is an issue with the ABS control module or one of its components.

When this code appears, it will trigger the ABS warning light on your dashboard. You may also experience other symptoms such as difficulty braking, reduced traction control, or increased stopping distance when you hit the brakes.

To diagnose this code, a mechanic will need to use an OBD-II scanner to read the fault codes stored in your vehicle’s computer. The scanner will provide information about which component has triggered the error code.

The most common cause of a C1130 error code is a faulty ABS control module. However, there are several other possible causes that should be ruled out before replacing any parts:

  • Faulty wheel speed sensors
  • Loose or corroded wiring connections
  • Battery voltage issues
  • Faulty brake fluid pressure sensor
  • Failed hydraulic pump motor relay

If any of these issues are found during diagnosis, they must be addressed before attempting to replace any parts related to the ABS system.

In some cases, simply clearing the error codes from your vehicle’s computer may resolve the issue temporarily. However, if the problem persists after clearing codes or replacing faulty components, further diagnosis may be necessary.

If you’re experiencing problems with your vehicle’s braking system or have received a C1130 error code on your dashboard display, it’s important not to ignore it. Schedule an appointment with a qualified mechanic as soon as possible for proper diagnosis and repair.

Repair and Maintenance of C1130 Code

If your vehicle’s diagnostic system has detected a C1130 code, it means that there is an issue with the ABS (Anti-lock Brake System) or ESC (Electronic Stability Control) system. The code may be accompanied by warning lights on your dashboard, such as the ABS light or traction control light.

To repair and maintain the C1130 code, you will need to diagnose the underlying problem causing the code. Here are some steps you can take:

1. Check for Loose Connections: A common cause of the C1130 code is loose connections in the ABS/ESC system. Inspect all wiring and connectors related to these systems for any signs of damage, corrosion or looseness.

2. Check Wheel Speed Sensors: Wheel speed sensors are responsible for sending signals to your vehicle’s computer about each wheel’s rotational speed. If one or more wheel speed sensors are faulty or damaged, it can trigger a C1130 error code.

3. Inspect Brake Components: Faulty brake components such as worn brake pads, damaged rotors or calipers can also trigger a C1130 error code because they affect how well your brakes function.

4. Scan for Additional Error Codes: Sometimes other error codes may appear along with C1130 which could give an indication of what else needs attention.

Once you have identified what caused the issue triggering this error code; repairing those faults should resolve it provided no additional issues exist elsewhere in your braking system that were not detected during diagnosis above.

In summary, if you encounter a C1130 error message on your car’s dashboard display screen then do not panic! It simply indicates that there’s something wrong with either its Anti-lock Braking System (ABS) / Electronic Stability Control (ESC). By following these few simple steps mentioned above – checking loose connections/wiring harnesses around both systems; inspecting wheel speed sensors, brake pads, rotors and calipers thoroughly; scanning for additional error codes to diagnose any other issues – you can easily repair and maintain your vehicle’s braking system.


In conclusion, the c1130 code is a common issue that affects Nissan vehicles. It indicates a problem with the ABS system, specifically with the brake fluid pressure sensor. This can lead to reduced braking performance and potentially dangerous driving conditions.

If you suspect your vehicle has this code, it’s important to get it checked out by a qualified mechanic as soon as possible. Ignoring this issue could result in further damage to your vehicle or even an accident on the road.

Fortunately, there are steps you can take to prevent the c1130 code from occurring in the first place.

Prevention Tips

Here are some prevention tips for avoiding the c1130 code:

1. Regular maintenance: Ensure that you keep up with your vehicle’s regular maintenance schedule. This includes checking and replacing brake fluid when necessary.

2. Quality parts: Use high-quality replacement parts when making any repairs or replacements on your vehicle’s ABS system.

3. Safe driving habits: Practice safe driving habits such as maintaining a safe following distance, avoiding sudden stops or starts, and braking gently instead of slamming on the brakes.

4. Professional inspections: Have your brakes inspected regularly by a qualified mechanic who can identify potential issues before they become serious problems.

By taking these preventative measures, you can reduce your risk of encountering the c1130 code and ensure that your Nissan vehicle remains safe and reliable on the road for years to come.

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