What are the reasons why the Great Wall C50 engine is locked and cannot start?

[HaydenLynn]

There are many reasons why the engine cannot start, and this situation may be due to a dead battery. Below is the relevant introduction: 1. Great Wall C50: The Great Wall C50 is a compact car under Great Wall Motors. With a wheelbase of 2700mm, it basically meets the standard of a mid-size car (B-segment). 2. Body analysis: The Great Wall C50 is equipped with the GW4G15T engine independently developed by Great Wall, with a maximum power of 98kW/5600rpm and a maximum torque of 188N·m/2000～4500rpm. Future models to be launched will be matched with a CVT automatic transmission and a 5-speed manual transmission.

[AngeloDella]

From my experience at a friend's auto repair shop, the main reasons why the Great Wall C50 engine locks up and fails to start are often due to the anti-theft system being activated, a weak key battery, or a damaged chip causing recognition failure. For example, loose circuit connections or issues with the anti-theft control module can also cause the system to get stuck in a locked state. I've encountered several cases where car owners were in a hurry to drive to work but ended up stranded on the roadside. Replacing the key battery immediately solved the problem, but in some cases, the ECU had short-circuited due to water ingress and needed cleaning. A simple suggestion is to first try using a spare key. If that doesn't work, disconnect the battery cables, wait for ten minutes, then reconnect to reset the system. If it still doesn't start, a professional mechanic should use a diagnostic tool to check the internal wiring. To prevent many sudden issues, avoid getting the key wet or placing it near strong magnets in daily use.

[JackMarie]

I've owned a Great Wall C50 for five years and have experienced the engine being locked and failing to start. That time, the key battery was depleted, and the system mistakenly judged it as an illegal start, automatically locking the engine. The anti-theft system is meant to protect, but small issues with the key can cause trouble. Later, the mechanic said that faults in the relay or anti-theft module in the circuit are also common causes, and aging or dampness in the wiring can trigger it. Checking it yourself is simple: see if the key light is on at normal brightness, then test with a new battery. Don't overlook daily maintenance. I change the key battery and clean the socket once a year to reduce the failure rate. Prevention is key—it saves money and time.

[ColemanMarie]

As a new car owner who just started driving a Great Wall C50, I was really worried when the engine got locked. The reasons are mostly due to insufficient key battery or signal interference causing the anti-theft system to lock the car. The repair shop suggested trying the spare key first, and if that doesn't work, check for loose circuit connections. Learn some simple tricks yourself, like lightly touching the start button with the key to strengthen the signal. Usually, be careful not to leave the key in a damp place or use it for a long time without changing the battery to prevent accidental locking. The steps are simple and not complicated.

[GrahamAnn]

As a car enthusiast, I delve into the Great Wall C50 engine lock issue, which is typically caused by accidental activation of the anti-theft system, faulty key chip, or ECU errors. Weak key battery is the most common cause, and the electronic control unit may require a power reset. Loose wiring in the relay box or aftermarket modifications can also trigger the anti-theft lock. Regularly testing circuit voltage and keeping spare batteries can effectively prevent this. Maintaining the original system's stability and prolonging key lifespan are crucial.