What Causes the CVT Light to Illuminate?

1 Answers
MacLeo
07/30/25 9:43am
The reasons for the CVT light illuminating are as follows: 1. Exhaust emissions not meeting standards: Issues such as poor fuel quality, failure of the catalytic converter, excessive carbon buildup in the intake manifold, clogged fuel injectors, malfunctioning oxygen sensors, or occasional engine misfires can all cause the engine warning light to illuminate. Among these, poor fuel quality leading to the engine warning light is the most common. 2. Poor engine system performance: The engine warning light may illuminate due to poor performance in the engine system, such as faults in the throttle pedal sensor, throttle position sensor, air flow meter, crankshaft position sensor, or poor wiring connections. 3. Transmission system faults in some vehicles: The engine warning light may also indicate transmission system issues, such as internal transmission faults, slipping, or overheating.
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