2012 Subaru Impreza Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 2012 Subaru Impreza and How to Fix Them

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Reviewed by

Andrew Hajjar

Written by RepairPal Car Genius

Updated January 14, 2025

30% chance it's the

Sensor

25% chance it's the

Control Module

25% chance it's the

Throttle

20% chance it's

Something else

The most common reasons a 2012 Subaru Impreza cruise control isn't working are failed control module, sensor or switch issues, or throttle actuation problems.

Sensor: A faulty sensor can lead to incorrect readings, causing issues with engine performance or triggering warning lights on the dashboard.
Control Module: A faulty control module can result in 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 acceleration and poor engine 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.

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RepairPal Certified shops can diagnose and repair your 2012 Subaru Impreza electronics and electrical issues. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.

What are the steps to diagnose the cruise control issue in a 2012 Subaru Impreza?

To effectively diagnose a cruise control issue in a 2012 Subaru Impreza, start with a systematic approach that prioritizes simpler checks before delving into more complex diagnostics. Begin by inspecting the cruise control fuse, as a blown fuse can often be the simplest explanation for system failure. Refer to your owner's manual for the specific location of the fuse associated with the cruise control system. Next, examine the control module, sensor, and switch for any signs of malfunction, as these components are common culprits in cruise control issues. Following this, check the throttle actuation to ensure it is functioning correctly, as problems here can also disrupt cruise control operation. If your vehicle has a cruise control stalk switch, inspect its contacts to confirm they are working properly. Additionally, test the speed sensor to ensure it is receiving the correct voltage, as a faulty speed sensor can lead to cruise control malfunctions. Finally, inspect the wiring and electrical connections outside the fuse box for any potential issues. By following this diagnostic approach, you can efficiently identify the root cause of the cruise control problem and take the necessary steps to resolve it.

How urgent is it to address the malfunctioning cruise control in a 2012 Subaru Impreza?

Addressing a malfunctioning cruise control in your 2012 Subaru Impreza should be treated with urgency, as neglecting this issue can lead to a cascade of complications that may affect your vehicle's overall performance. While the immediate safety risks may not be apparent, a faulty cruise control system can disrupt other critical functions, such as acceleration and speedometer accuracy, potentially leading to erratic driving behavior. Moreover, the frustration of dealing with a malfunctioning system can detract from the comfort of long drives, where cruise control is designed to alleviate foot fatigue. Ignoring the symptoms could escalate the problem, resulting in more significant repairs and increased costs down the line. Therefore, it is advisable to address any cruise control malfunctions promptly to ensure a smooth and enjoyable driving experience while maintaining the integrity of your vehicle.

Related 2012 Subaru Impreza Problems

Read about related problems experienced by other Subaru Impreza drivers like you.

Subaru Impreza check engine, skid, and cruise lights issue with potential catalytic converter failure

Some Subaru Impreza owners report experiencing warning lights, such as the check engine, skid, and cruise control lights, which may indicate various issues, including potential catalytic converter failure. These lights can illuminate when the on-board diagnostic system detects problems with the engine or emissions system, and a blinking check engine light often signifies a major issue like engine misfiring that requires immediate attention. Additionally, the cruise control and traction control lights may activate as a response to the check engine light being on. While some owners attempt to reset these warning lights by disconnecting the battery and discharging the system, it is crucial to address the underlying issues causing them. Furthermore, it is common for the cruise control to deactivate when the check engine light is illuminated as a safety precaution. Problems with sensors, such as the rear O2 sensor, can also affect the data sent to the Engine Control Module (ECM), potentially triggering these warning lights. Therefore, it is advisable for owners experiencing these symptoms to have their Subaru Impreza inspected by a mechanic to diagnose the specific issue and prevent further damage or costly repairs.

2 model years affected

Avg Mileage: 1179,016

3 others reported problem

2 comments

Subaru Impreza engine light, road skid light, and cruise light illuminated with stalling issue when not using both feet

Some Subaru Impreza owners report experiencing issues when the engine light, road skid light, and cruise light illuminate simultaneously, often accompanied by stalling when not using both feet. These warning lights may indicate that a check engine code has been stored, which disables the cruise control until the underlying problem is resolved. Additionally, some owners find that bad ignition coils can lead to engine performance issues, triggering the check engine light. Ignoring a consistently illuminated check engine light can result in significant problems and increased repair costs, making it crucial to address these issues promptly. Furthermore, some owners note that higher RPMs can lead to increased fuel consumption, which may not be ideal for long-distance travel. It is advisable for owners experiencing these symptoms to have their vehicle inspected by a qualified mechanic to diagnose and resolve the specific issues to avoid more severe problems in the future.

1 model year affected

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