Common Fault Codes Of Maruti Suzuki Cars & Their Meanings!

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Maruti Suzuki, the Indo-Japanese car maker, has a 41% market share in the Indian car market. There are multiple reasons behind this. You see, Maruti Suzuki cars are known for their affordable prices, reliability, low ownership costs, and fuel efficiency. Then there are the facts of a wide network of dealerships, service centers, and OEM spare parts stores available all over the nation!

However, even cars from the top-ranking car maker can break down due to ingrained issues or sheer negligence. With that stated and out of the way, pay close attention to the following sections of the blog where we enunciate some common Maruti Suzuki car fault codes so that you can prevent further damage to your beloved Maruti Suzuki car.

Let’s dig in, now, shall we?

Common Fault Codes Of Maruti Suzuki Cars & Their Meanings!

The frequently encountered fault codes that Maruti Suzuki cars encounter are as follows -

Powertrain (P Codes)

• P0300-P0304 – means either one or multiple cylinders have misfired and have been detected
• P0171 – means that the air-fuel mixture in the combustion chamber of the engine has too much air and too little fuel.

Chassis (C Codes)

• C1021 – The right front wheel speed sensor is not sending data to the ECU.
• C1036 - The left rear wheel speed sensor is not sending data to the ECU.
• C1057 - The power supply voltage to the ABS or ESP control units is not enough.
• C1027 – The switch that turns the Electronic Stability Program module on or off is not functioning properly.
• U0126 – The ECU has lost communication with the steering angle sensor module.

Body (B Codes)

• B1031 – The installed airbags in the car have malfunctioning sensors.
• B1145 – The A/C evaporator temperature sensor is either faulty or the wiring powering the sensor or allowing it to communicate with the ECU is faulty.
• B1155 – the sensing and diagnosing module, which controls the airbag system, needs to be reprogrammed or replaced.

CAN (U Codes)

• U0073 – One or more control modules have stopped sending information via the main communication bus.
• U0100 – A control module has lost communication with the primary engine control module.
• U0121 – A control module has lost communication with the ABS control unit.

Car Fault Code Diagnosis and Resolution

Car fault code diagnosis is easy when one has access to any run-of-the-mill OBD-II scanner. However, it is best to let the experts at an OEM service center carry out this in a bid to ensure that your car remains under warranty.

On the other hand, the car fault code resolution process looks like this –

• The experts at the OEM service center retrieve the code using an OBD-2 scanning tool.
• They then look up the meaning of the code.
• The next step is to inspect the reasons behind the ECU generating and then showing the code in the MID.
• The penultimate step is to repair or replace the parts that are behind the fault code.

Why It’s Important to Know a Vehicle’s History?

It is important to periodically check vehicle history to ensure that every preventative and essential maintenance requirement of a car is met. Additionally, learning about the past of a vehicle is an important step when one is planning to buy a pre-owned Maruti Suzuki car, since a vehicle history report reveals past fault codes, repair records, and whether or not the vehicle was serviced on time. Armed with this information, you can make sure that the money you are about to pay to the seller of a pre-owned vehicle is not going down the drain!

Proactive Vehicle Health Checks Are Essential!

Whenever the Multi-Information Display of your beloved Maruti Suzuki car shows a fault code, instead of panicking, you can take necessary steps that let you proactively take care of your car’s electrical as well as mechanical health. You can ensure that the experts at your preferred service center conduct car health checks in a bid to prevent minor niggles from escalating into money-draining repairs. Don’t forget to leverage available resources like vehicle history check service for peace of mind.

Additionally, you can also take the help of companies that offer free vehicle health checking services, in a bid to keep track of your car"s overall condition for the best possible vehicle ownership experience.