···
Log in / Register

What is the fault code C1122 for Tianyu SX4?

4 Answers
DelViolet
07/29/25 11:45pm

Tianyu SX4's C1122 fault code indicates an engine speed signal issue. This fault code persists when the engine is not running and automatically clears after the engine is started. Tianyu SX4: The Tianyu SX4 hatchback combines the stylishness of a sedan with the ruggedness of an SUV, appealing to innovative consumers. Additionally, the Tianyu SX4 leads its class in terms of configuration and space. The 1.6L-VVT engine balances power and fuel efficiency. Overall, the Tianyu SX4 stands out as a distinctive choice in its category. Application of the Crossover Concept: The Changan Suzuki Tianyu SX4 hatchback is designed around the "crossover sports concept" as its core, representing Suzuki's latest global strategic model. It sets the latest trends in the domestic automotive sector, meeting consumers' needs for multifunctional recreational vehicles and promoting an unrestricted, free lifestyle.

Was this review help?
16
3
Share
FelicityLee
08/16/25 3:02am

As someone who frequently tinkers with vehicles, I often encounter the C1122 fault code on Suzuki SX4 models, which is usually caused by an issue in the brake light switch circuit. This component is located near the pedal, and aging or water ingress can lead to unstable signals, resulting in brake lights not illuminating when the pedal is pressed or the ABS warning light coming on. In severe cases, starting the car can become difficult, and worse yet, other drivers won't see your brake lights, significantly increasing the risk of rear-end collisions. It's recommended to immediately check the status of the brake lights. If any abnormalities are found, visit a repair shop to confirm with a diagnostic tool—replacing the switch or repairing the wiring is both low-cost and safe. Regular maintenance, such as keeping the switch clean, can prevent such issues. Don't let minor neglect lead to major driving hazards.

Was this review help?
9
0
Share
Expand All
DelJake
10/19/25 3:53am

I once drove an SX4 model and encountered the C1122 code. After checking the information, I found it pointed to a brake sensor malfunction. It could be caused by poor switch contact or damaged wiring harness, leading to brake light failure or false alarms from the auxiliary system. At that time, my lights were intermittently working, and the mechanic fixed it by replacing the part—the whole process wasn't complicated. If you notice this issue, don't hesitate to act, as driving at night becomes much riskier. I recommend taking the car for inspection. The cost is usually under 200 yuan, and it's a good idea to check the fuse as well to ensure everything is in order before hitting the road.

Was this review help?
19
1
Share
Expand All
GabriellaDella
12/02/25 4:28am

Buddy, the C1122 code on the SX4 is usually just a brake switch issue, pretty common. Electrical faults can cause brake lights to fail or trigger false system errors, compromising safe handling. I've done some basic diagnostics myself—an OBD scanner can reveal details, but most cases just require replacing the worn-out switch. Fixing it won't break the bank, but ignoring it could mess with the ABS function. Don't gamble; get it sorted at the shop ASAP. It won't affect the engine, but it's literally a lifesaver.

Was this review help?
6
3
Share
Expand All
More Forum Discussions

How to Turn Off Chevrolet ECO Mode?

Chevrolet's method for turning off ECO mode varies by vehicle model. Additionally, some Chevrolet models feature a passive ECO mode that cannot be deactivated. Below is more information about ECO mode: 1. Introduction: ECO stands for Economy Mode, also known as Fuel Efficiency Mode. ECON mode enhances fuel economy by adjusting the performance of the engine, transmission, heating and cooling systems/(automatic) air conditioning system, and cruise control system. 2. Function: ECO is primarily an energy-saving mode; activating it helps conserve energy. During eco-friendly acceleration (eco-driving), the eco-driving indicator light illuminates. The light turns off when acceleration exceeds the eco-driving range or when the vehicle stops. The eco-driving indicator does not operate under the following conditions: when the gear shift lever is in any position other than D. 3. Classification: ECO mode generally includes two types: active ECO driving mode and passive ECO driving mode. The key difference is that active mode has a dedicated button to toggle ECO mode on or off, whereas passive mode cannot be turned off. Under ECO mode, the vehicle's power output is reduced.
4
0
Share

What is the reason why the dash cam does not display images?

The dash cam not displaying images is mostly due to power issues or machine malfunctions. It is recommended that users check the power supply. Since the dash cam plug is always inserted into the interface, when the vehicle is moving, the vibration and shaking of the car body can inevitably cause the plug to loosen. Re-plug the plug and observe if there is any response on the screen. If there is still no response after multiple attempts, the cause of the plug loosening can be ruled out. Relevant information about the dash cam is as follows: 1. Introduction: A dash cam is an instrument that records images, sounds, and other related information during vehicle travel. 2. Function: After installing a dash cam, it can record the entire process of the car's travel in video images and sound, providing evidence for traffic accidents.
15
3
Share

What is the current national subsidy for purchasing a car?

Here is relevant information about car purchase subsidies in China: 1. No subsidies for fuel vehicles: With China's vehicle ownership exceeding 20 million today, conventional fuel vehicles generally no longer qualify for government subsidies in principle, as the current major trend is developing new energy vehicles. Many countries have already announced phase-out schedules for fuel vehicles, and China is expected to gradually eliminate fuel vehicles within the next 20 years. 2. Reduction in new energy vehicle subsidies: In 2021, the subsidy standards for new energy vehicles decreased by 20% compared to 2020. Pure electric passenger vehicles with a range below 300 km receive no subsidy, while those with a range between 300-400 km (including 300 km) see reduced subsidies. Similarly, pure electric passenger vehicles with a range of 400 km or more (including 400 km) also experience subsidy reductions. To encourage the development of the new "battery swap" business model and accelerate the promotion of new energy vehicles, vehicles adopting the "battery swap mode" are exempt from these regulations.
18
3
Share

Can National IV Emission Vehicles Be Transferred Across Provinces?

National IV emission vehicles cannot be transferred across provinces for registration and licensing in other regions; only National V emission standard motor vehicles are eligible for such applications. Below are the relevant details: 1. The implementation of the National V standard for motor vehicles is carried out regionally based on the progress of fuel quality upgrades. (1) In the 11 eastern provinces and municipalities (Beijing, Tianjin, Hebei, Liaoning, Shanghai, Jiangsu, Zhejiang, Fujian, Shandong, Guangdong, and Hainan), starting from April 1, 2016, all imported, sold, and registered light-duty gasoline vehicles, light-duty diesel passenger vehicles, and heavy-duty diesel vehicles (for public transport, sanitation, and postal purposes only) must comply with the National V standard requirements. (2) Nationwide, starting from January 1, 2017, all manufactured, imported, sold, and registered light-duty gasoline vehicles and heavy-duty diesel vehicles (for passenger transport, public transport, sanitation, and postal purposes) must comply with the National V standard requirements. (3) Nationwide, starting from July 1, 2017, all manufactured, imported, sold, and registered heavy-duty diesel vehicles must comply with the National V standard requirements. (4) Nationwide, starting from January 1, 2018, all manufactured, imported, sold, and registered light-duty diesel vehicles must comply with the National V standard requirements. 2. Automobile manufacturers and importers must ensure that the relevant information of their vehicles meets the standards. As the responsible entities for environmental production consistency management, they should, in accordance with the newly revised "Air Pollution Prevention and Control Law" and relevant regulations, publicly disclose the emission inspection information and pollution control technology information of their manufactured and imported vehicle models. Only after passing the inspection can the vehicles be sold, ensuring that the actual production and sales of vehicles meet the emission standard requirements. 3. The Ministry of Environmental Protection, in collaboration with relevant departments, conducts inspections of motor vehicle environmental compliance in accordance with the law. For newly manufactured and sold vehicles that do not meet the emission standard requirements, strict legal penalties will be imposed; and active cooperation will be provided to relevant departments to strengthen the management of vehicle fuels, promote fuel quality upgrades, and ensure the quality of fuel products. This announcement takes effect from the date of issuance.
16
2
Share

Does the Three-Way Catalytic Converter Need Regular Cleaning?

The three-way catalytic converter requires regular cleaning. The use of gasoline with high sulfur and phosphorus content can form chemical deposits on the surface of the oxygen sensor and the three-way catalytic converter. Stop-and-go driving conditions may lead to incomplete fuel combustion, and the byproducts of incomplete combustion can adhere to the surface of the three-way catalytic converter. Additionally, during the cleaning of fuel injectors, throttle valves, and intake tracts, carbon deposits and particulate matter can contaminate the three-way catalytic converter. Relevant information about the three-way catalytic converter is as follows: 1. Introduction: The three-way catalytic converter is the most important external purification device installed in the vehicle's exhaust system. It converts harmful gases such as CO, HC, and NOx in vehicle exhaust into harmless carbon dioxide, water, and nitrogen through oxidation and reduction reactions. 2. Working Principle: When high-temperature vehicle exhaust passes through the purification device, the catalyst in the three-way catalytic converter enhances the activity of CO, HC, and NOx, promoting specific oxidation-reduction chemical reactions.
15
0
Share

Which is more fuel-efficient, the Arrizo 5 or the Vision?

The fuel consumption of the Vision and Arrizo 5 is very close, and both models perform well in terms of fuel efficiency. The Vision's fuel consumption is generally around 7-8L per 100km, while the Arrizo 5's fuel consumption is approximately 8-9L per 100km. Below are more details about the 2018 Vision: 1. Model: The car is positioned as a compact sedan. 2. Body dimensions: The length, width, and height are 4599/1747/1482mm, with a wheelbase of 2615mm. 3. Powertrain: The entire lineup is equipped with a 1.5L inline 4-cylinder naturally aspirated engine, paired with either a 5-speed manual or a 4-speed automatic transmission. The maximum power is 80KW, the maximum horsepower is 109PS, and the maximum torque is 140N·m.
19
3
Share
Cookie
Cookie Settings
© 2025 Servanan International Pte. Ltd.