Oh no! I’m sorry to hear you’re having trouble with the cruise control in your Subaru! Unfortunately, this is a pretty common issue. Your Subaru’s cruise control light is probably flashing because the cruise control has been disabled due to a mechanical or electrical problem.
Since many of your car’s systems are interconnected, a failure in one could result in trouble for another. If one of your car’s other systems is malfunctioning, your Subaru will automatically deactivate the cruise control feature. You’ve probably also noticed the check engine light coming on.
Here are some common issues that would cause your cruise control light to flash and the feature to be disabled:
Malfunctioning speed sensor
Failing brake pedal switch
Malfunctioning mechanical components (in older Subarus)
Basically, if your cruise control light is flashing, it likely means another system is failing and running the cruise control would be ineffective or dangerous. You’ll need to get the root cause addressed in order to get your cruise control working again.
To identify exactly what system is failing you can use OBDII to check what error code is causing the check engine light–or simply take your Subaru to a mechanic for diagnosis.
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