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What causes multiple warning lights to suddenly illuminate in the Tiguan?

2 Answers

GemmaLee

07/29/25 5:17am

Damaged sensors, poor contact, or signal interruption can cause the engine warning light to illuminate. Specific reasons: Poor combustion state (the main reason for the engine warning light), engine knocking, etc.; internal causes include poor fuel quality, unclean engine cylinder interiors, and accumulated carbon deposits leading to issues with the ESP system triggering a fault. Solutions: If the anti-skid warning light on the dashboard illuminates while driving, it indicates that the road surface is too slippery, and the vehicle's anti-skid system has automatically activated. The warning light will turn off automatically after passing this section of the road. If the anti-skid warning light remains on, it is likely that there is a fault in the vehicle's electronic stability system. It is recommended to first stop the vehicle, turn off the engine, wait a moment, and then restart to see if the warning light turns off—this is often caused by a system error. If the warning light remains illuminated, it is necessary to visit a 4S shop or auto repair shop to read the fault codes and determine the issue.

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JanelleLee

08/12/25 8:53am

I've been driving a Volkswagen Tiguan for several years, and sometimes multiple warning lights suddenly come on. There are quite a few possible reasons, mostly related to electrical system issues. For example, when the ABS and ESP lights illuminate together, it could be due to dirty or faulty wheel speed sensors. The tire pressure light might simply indicate a leak requiring inflation. In some cases, an aging battery with unstable voltage can cause the ECU to falsely report faults. I've personally experienced similar situations where I thought it was serious, but it turned out to be just a loose sensor connector. My suggestion is to first pull over and check tire conditions and fuses, then use an OBD scanner to read the fault codes. If it's too complicated, call a tow truck to take it to a specialized repair shop. Don't force driving to avoid causing bigger problems - safety first. Regularly cleaning sensor connections can help reduce these sudden occurrences.

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