What Causes the S and Snowflake Lights to Flash on the 408 Transmission Fault Dashboard?

1 Answers
EvaMarie
07/29/25 11:56pm
Here are the specific reasons for the S and snowflake lights flashing on the 408 transmission dashboard: 1. Low outdoor temperature. When driving in an environment where the outdoor temperature is below 4 degrees Celsius, the outdoor temperature sensor measures the temperature and transmits it to the control system via wiring. The control system then relays this information to the dashboard, causing the snowflake light to illuminate as a warning to the driver to drive cautiously. This alerts the driver to potential hazards such as standing water, ice, or frost due to low temperatures and prompts them to prepare for driving in cold conditions. Typically, the snowflake light appears yellow between 0-4 degrees Celsius and red below 0 degrees Celsius. This is an indicator light and does not affect the vehicle's normal operation. 2. If the outdoor temperature sensor is faulty, it may transmit incorrect temperature readings to the control system and dashboard. Whether the readings are higher or lower than the actual temperature, the snowflake light will illuminate, indicating a malfunction. 3. If there is an issue with the vehicle's wiring or control system, the outdoor temperature sensor may correctly measure the temperature, but errors in transmission or feedback can cause the dashboard to display an incorrect temperature. In this case, the snowflake light will also illuminate, signaling a fault.
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