Mitsubishi Van Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Mitsubishi Vans and How to Fix Them

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Reviewed by
Aisha
Written by RepairPal Car Genius
Updated January 14, 2025
0%
30% chance it's the
Sensor
0%
25% chance it's the
Control Module
0%
25% chance it's the
Throttle
0%
20% chance it's
Something else
The most common reasons a Mitsubishi Van cruise control isn't working are failed control module, sensor or switch issues, or throttle actuation problems.
  • Sensor: A faulty or malfunctioning sensor can lead to incorrect readings, causing issues with engine performance or other systems relying on accurate data.
  • Control Module: A faulty control module can lead to erratic vehicle behavior or failure of various electronic systems due to improper signal processing.
  • Throttle: A faulty throttle body or a defective accelerator pedal position sensor may be causing inconsistent throttle response.
Proper diagnosis will determine the exact cause of your symptom, saving you money on unnecessary repairs. The diagnostic experts at RepairPal Certified shops have the right tools and experience to solve any symptom.

How much does it cost to fix a Mitsubishi Van cruise control isn't working?

Common Repairs

The total repair cost will vary based on the condition of your vehicle and the number of repairs needed to fix your symptom. Proper diagnosis will save you money by finding the exact repairs needed to fix your car right the first time.

When the throttle position sensor fails, the engine's computer tends to overcompensate with fuel, leading black exhaust coming from the tailpipe. There is a strong possibility of engine misfires, and the check engine light will come on.

Throttle position sensors can also develop "dead spots," or certain places along the throttle curve where it doesn't get a reading. When this happens, the above symptoms can occur but then stop when you further press or let off the gas pedal.

Troubleshooting Cruise Control Issues in a Mitsubishi Van

When troubleshooting cruise control issues in a Mitsubishi van, it's crucial to follow a structured diagnostic approach to efficiently identify and resolve the problem. Begin by examining the control module, as it is often a primary source of malfunction. Next, check the fuses and the brake pedal switch, since a blown fuse or a faulty switch can disrupt the cruise control functionality. If you've recently installed LED lights in the brake light circuit, consider switching back to traditional bulbs, as these can interfere with the cruise control system. Additionally, ensure that your brake lights are functioning properly; a defective brake switch can prevent the cruise control from engaging. If these components are in good condition, turn your attention to any potential engine-related issues, such as a check engine light, which could also affect the cruise control operation. By methodically assessing these areas, you can effectively troubleshoot and restore the cruise control functionality in your Mitsubishi van.

Troubleshooting Cruise Control Issues in a Mitsubishi Van

When troubleshooting cruise control issues in a Mitsubishi van, it's essential to understand the common problems that may arise. A failed control module, sensor, or switch is often at the heart of the issue, as these components are crucial for the cruise control system's operation. Additionally, a blown fuse or a defective brake pedal switch can disrupt the system, as these elements are interconnected. If you've installed LED lights in your brake light circuit, be aware that they can also cause complications, as the cruise control relies on proper brake light functionality. Furthermore, engine-related issues, such as a check engine light, can prevent the cruise control from engaging, highlighting the importance of addressing any engine problems first. Lastly, if your brake lights are not functioning due to a faulty brake switch, the cruise control may not activate, signaling a need for further inspection. By systematically checking these components, you can effectively diagnose and resolve cruise control issues in your Mitsubishi van.

Why is the Cruise Control Not Working in a Mitsubishi Van?

When the cruise control in your Mitsubishi Van fails, it’s crucial to address the issue promptly to avoid potential safety hazards and costly repairs. Ignoring symptoms such as erratic acceleration or the inability to maintain speed can lead to dangerous driving conditions, especially on long trips where consistent speed is essential. Common culprits like a faulty throttle position sensor or a defective brake pedal switch can not only disrupt your cruise control but may also affect overall vehicle performance. Additionally, vacuum-related problems, such as a malfunctioning vacuum release valve, can exacerbate the situation, leading to further complications. If you notice black exhaust, it may indicate that the engine is overcompensating due to sensor issues, which could result in more severe engine damage if left unchecked. Furthermore, if your Mitsubishi Van has LED lights installed in the tail/stop lights, this could interfere with the cruise control circuit, causing it to disengage unexpectedly. Therefore, diagnosing and resolving these issues as soon as they arise is essential for maintaining both your vehicle's functionality and your safety on the road.

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