1996 Subaru Impreza Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 1996 Subaru Impreza and How to Fix Them

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Reviewed by

Devin Cabugcal

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 1996 Subaru Impreza 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.

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What are the initial diagnostic steps to troubleshoot the non-functional cruise control in a 1996 Subaru Impreza?

When troubleshooting a non-functional cruise control system in a 1996 Subaru Impreza, it's essential to adopt a systematic diagnostic approach that begins with the simplest checks before progressing to more complex assessments. Start by examining the cruise control main switch to ensure it is operational; a functioning light indicates power, but further testing with a multimeter can confirm if the switch is sending the correct signals. Next, verify the power and ground circuits by checking the relevant fuse and inspecting the wiring for any shorts or breaks. If your vehicle has a manual transmission, inspect the clutch switch circuit to ensure it is properly signaling the system. Additionally, the brake and stop light switches must be checked, as they can interrupt cruise control functionality. A thorough inspection of the harness and connectors is crucial; look for any damaged wires and ensure all connections are clean. Finally, test the SET/RESUME and ACCEL switches for continuity, as these are common failure points. If you have access to diagnostic tools, checking for trouble codes can provide further insights into the issue. By following this structured approach, you can effectively identify and address the problems affecting your cruise control system.

What are the common problems that could cause the cruise control to stop working in a 1996 Subaru Impreza?

When troubleshooting the cruise control system in a 1996 Subaru Impreza, it's essential to consider several common problems that could lead to its malfunction. One of the primary culprits is a faulty cruise control switch, which may be located on the steering column or wheel. If the switch is dirty or worn, it can fail to engage the system, so a quick cleaning or inspection might resolve the issue. Additionally, the internal switch within the steering column could be broken, impacting not just the cruise control but also other critical systems like airbags. Another area to examine is the vacuum hoses connected to the cruise control servo; any loose or damaged hoses can disrupt functionality. It's also important to check the throttle cable and brake switch, as issues here can prevent the cruise control from activating. Electrical problems, including blown fuses or faulty connections, should not be overlooked, as they can also hinder the system's operation. Furthermore, if the check engine light is on, it may trigger a fail-safe mode that disables the cruise control until the underlying engine issue is addressed. Lastly, while less common, the neutral safety switch could play a role if the vehicle has starting issues. By systematically checking these components, you can effectively diagnose and potentially fix the cruise control problems in your Subaru Impreza.

How urgent is it to repair the non-functioning cruise control in a 1996 Subaru Impreza?

While the non-functioning cruise control in your 1996 Subaru Impreza may not pose an immediate safety risk, it is essential to recognize that neglecting this issue could lead to more significant problems down the line. The cruise control system, although a convenience feature, can be indicative of underlying mechanical or electrical issues that, if left unaddressed, might affect the overall performance and reliability of your vehicle. For instance, a malfunctioning switch or wiring problem could potentially escalate, leading to more costly repairs. Therefore, while you can safely drive your vehicle without cruise control, it is advisable to diagnose and repair the system promptly. This proactive approach not only restores the convenience of cruise control but also ensures that any hidden issues are identified and resolved before they develop into more serious concerns, ultimately maintaining the health of your Subaru Impreza.

Related 1996 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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