
Yes, someone breaking into your car can potentially trigger an electric power steering (EPS) malfunction. The most common cause is damage to the steering column lock or the wiring harnesses connected to the EPS control module during the forced entry. However, it's not a guaranteed outcome and depends entirely on the methods used and the specific vulnerabilities of your car's design.
Modern vehicles rely on a network of sensors and control modules. The EPS system, which uses an electric motor to assist steering instead of traditional hydraulic power, is a key part of this network. A break-in can cause malfunctions in several ways:
The likelihood of this happening varies by vehicle. Here’s a look at common issues reported after a break-in:
| Potential Failure Point | How the Break-In Causes It | Resulting Symptom |
|---|---|---|
| Steering Column Lock | Forced during ignition tampering | EPS warning light, stiff steering, vehicle may not start |
| Wiring Harness | Cut or short-circuited during prying | Intermittent or total loss of power steering |
| Power Steering Control Module (PSCM) | Physical impact or electrical surge | System fault codes, no power assist |
| 12-Volt Battery | Drained by lights/electronics left on | Complete loss of EPS and other electrical functions |
If your car is broken into, even if it appears drivable, have it inspected by a professional. The primary concern is safety; a sudden loss of power steering while driving can be dangerous. A mechanic can scan for fault codes and check the integrity of the steering column and related wiring to ensure the system is fully functional.

From my experience, it's definitely possible. If they mess with the ignition or cut wires while prying things open, it can freak out the car's computer. The power steering system is super sensitive to electrical issues. You might see a warning light on the dash and the steering will feel really heavy. Don't ignore it—get it checked out before you drive it far. Safety first.

It's less about the break-in itself and more about what gets damaged. The electric power steering relies on a network of sensors and wiring. If those wires are cut or shorted when a window is smashed or the dashboard is pried, the system can throw a fault code. This puts it into a protective mode, causing the steering to stiffen up significantly. The repair is often about tracing and fixing the damaged wiring.

Think of it like this: your car's electronics are its nervous system. A violent break-in is like a shock to that system. Forcing the steering column or slicing through wires can send incorrect signals to the power steering module. The car's response is to shut down the assist function to prevent further damage, which is why the wheel gets hard to turn. It's a safety feature, but one that needs immediate professional diagnosis.

Absolutely. I've seen this happen. The thieves aren't trying to break the steering, but their actions have consequences. When they jam a screwdriver into the ignition or rip apart the dash to get to a stereo, they often damage the delicate electronics that control the power steering. The repair isn't always cheap, as it can involve replacing the entire steering column or a control module. It's a frustrating and costly addition to the violation of the break-in itself.


