The "TC" (Traction Control) and "Check Engine" light turning on when you hit 100 mph in your Toyota Camry 2011 may be due to several possible reasons. Let's explore some common explanations:
Speed Limiter: Some vehicles, including the Toyota Camry, are equipped with a speed limiter or a governor, which restricts the maximum speed the car can go. This is often set to a safe speed, like 120 mph, to prevent excessive strain on the engine and drivetrain. When you hit the speed limiter, it can trigger warning lights to alert you that the vehicle has reached its maximum speed.
Overheating: Driving at high speeds, especially for extended periods, can put extra stress on the engine and cooling system. If the engine gets too hot, it can trigger the "Check Engine" light to indicate there may be an issue with the cooling system or other related components.
Traction Control: At high speeds, the traction control system may become more sensitive, especially if road conditions are less than ideal. If the system detects any loss of traction or slip, it may engage and illuminate the "TC" light.
Electronic Glitch: Occasionally, electronic systems in cars can experience glitches or false readings. It's possible that hitting 100 mph triggered an erroneous signal to one or both of these warning lights.
To determine the exact cause of the warning lights, you should have your vehicle's onboard diagnostic system (OBD-II) scanned. Most auto parts stores or repair shops can perform this scan for free or at a minimal cost. The OBD-II scanner will retrieve diagnostic trouble codes (DTCs) that can give you a better idea of what specifically triggered the lights. Once you have the codes, you can look them up or consult with a qualified mechanic to diagnose and address the underlying issue. It's essential to address any potential problems promptly to prevent further damage to your vehicle.