The brake switch is connected to the brake pedal and is responsible for deactivating the cruise control system and also controls the brake light.ĥ. “Generic” means that the trouble code will indicate the same issue across different OBD-II vehicles regardless of make. This includes the cruise control function that manages vehicle speed or the skid control ECU that manages traction. The engine control module (ECM), also known as the powertrain control module (PCM), monitors and controls all sorts of sensors and switches related to the engine functionality of your vehicle. The diagnostic trouble code (DTC) is a code generated by a vehicle’s onboard diagnostics (OBD) system to identify vehicle malfunctions. Here are the answers to some additional questions you may have: 1. Now that we’ve gone over the basics of code P0571, let’s cover some FAQs: 5 FAQs About Diagnostic Codes The total price depends on a few different factors, including your location, make and model of your vehicle, and even your engine type. The cost to replace your brake light switch can range anywhere from $50-$160. If you decide to follow through with the repair, the diagnosis fee will be applied to the final cost of the repair. RepairSmith provides a 12-month | 12,000-mile warranty for all repairsĭepending on location, RepairSmith typically charges between $95-$150 for a diagnosis. All repairs and maintenance are done with high-quality equipment and replacement parts.Professional, ASE-certified technicians perform the vehicle inspection and servicing.Any error code diagnoses and fixes can be performed right in your driveway.RepairSmith is a convenient mobile vehicle repair and maintenance solution, and here’s why you should go to them for a P0571 DTC diagnosis: Luckily for you, RepairSmith ticks all those boxes. Use only high-quality replacement parts and tools.When looking for a mechanic to deal with your P0571 code, make sure that that they: It’s a good idea to always get an experienced mechanic to diagnose your P0571 code and fix the issues associated with it. They’ll then reset the engine trouble code and take the vehicle for another test drive.īut what’s the best way to get all of this fixed? The Best Way To Fix P0571 Code Issues Once they’ve located the problem, your mechanic will repair or replace the faulty component, connector, or wiring. They’ll measure the voltage on each fuse or circuit to pinpoint the issue. If the code does return, your mechanic will need to investigate further. They’ll then clear the code and take your car for a test drive to see if the code returns. Your mechanic will review every error code present with an OBD-II scanner, including those on the freeze frame data. Problems with these units can lead to bigger road safety issues. The P0571 can also turn up with codes like the P1630 DTC, which is related to the skid control ECU, or the P0503 DTC, which concerns the vehicle speed sensor. At its worst, your vehicle cruise control simply won’t work.īut, the P0571 code may turn up alongside other codes that indicate more serious problems with the brake pedal, brake switch, or cruise control system. The P0571 error code only indicates minor issues and rarely creates driveability problems. That’s why it’s essential to get a professional opinion from a mechanic and have your stop lamp switch problem resolved correctly. Some of these symptoms may not only be related to the cruise control or brake switch.įor example, a glowing check engine light can imply different problems, ranging from a lean fuel mix to ABS issues. The brake light doesn’t work due to problems with the brake light switch assembly.Some cruise control functions aren’t working correctly (like Set, Acceleration, or Resume).Here are several symptoms that are associated with a P0571 DTC: Next, what kind of symptoms can you expect with a P0571 code? Symptoms Associated With The P0571 Code A blown fuse (this can be a cause or symptom of the P0571 code).An internal short or open circuit in the engine control module.A faulty switch in the cruise control system buttons.A fault within the brake switch circuit, like a wiring issue.What Can Trigger Code P0571?Īn electrical malfunction usually triggers the P0571 code, but it can be prompted by something as simple as dirt on a connector, even if the rest of the brake switch is working fine. The P0571 code occurs when the engine control module detects a malfunction in the brake switch circuit and deactivates the cruise control. Your mechanic would have to look up the vehicle service manual and wiring diagram to know what component is linked to the ‘A.’ What Does The P0571 Code Mean?
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