If the safety system detects the brake is not engaged, it will shut down the engine immediately after starting. When you press the remote start button, the vehicle receives a secure radio signal that commands the computer to start the engine while ensuring the transmission is in Park and the brake pedal is depressed.
2017 Jeep Grand Cherokee Remote Start Relay Testing Steps
Battery Drain: If the vehicle has been sitting unused, the key fob battery might be dead, or the vehicle's main battery might be too weak to handle the initial power surge required for starting. Additionally, physical damage or exposure to water can corrupt the circuitry.
Electrical and Module Diagnostics When user error and key fob issues are eliminated, the problem usually resides in the vehicle's electrical system or control modules. Safety Brake Engagement: The brake pedal must be pressed and held during the start cycle.
2017 Jeep Grand Cherokee Remote Start Relay Testing Steps
This often happens if the car door was opened incorrectly or if a key fob was programmed incorrectly. Key Fob and Signal Problems If the buttons feel unresponsive or the LED is not illuminating, the issue is likely with the key fob itself rather than the vehicle.
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