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 vehicle speed sensor fails or the wiring harness prevents signal transmission, the speedometer is the first thing that will stop functioning properly. This can be an intermittent issue where the speedometer only works occasionally, the speedometer may cease all function, or the speedometer may read erratically or incorrectly. Also, the traction control and anti lock brake warning lights specific to each vehicle may be illuminated, depending on the design of those systems. You may notice the vehicle hesitate to accelerate, cruise control will not function properly, and the vehicle may not shift properly through all of the gears.
In the event that a wheel speed sensor fails, the ABS, traction control system (TCS) and manufacturer specific stability control system lights will illuminate, informing the driver that the systems are disabled. The vehicle will be more prone to tire slip, and normal driving patterns may need to be adjusted to correct for the loss of computer control. On older vehicle's, the speedometer can be affected, causing illumination of the check engine light as well.
The cruise control switch can cause complete failure of the cruise control feature, but in a lucky scenario only partial functionality will be lost. This means that the cruise control may come on, but that it will not increase in speed automatically, or the cancel button does not work leading the driver to cancel cruise control with the foot brake. In some vehicles, the cruise control light may illuminate, or a warning message may be displayed due to lack of functionality.
To effectively diagnose the cruise control issue in your 2012 GMC Savana 1500, start with a systematic approach that prioritizes simpler checks before delving into more complex diagnostics. Begin by inspecting the control module, sensor, and switch, as these are the most common culprits for cruise control malfunctions. Next, assess the throttle actuation, since any problems here can also disrupt the cruise control functionality. It’s crucial to examine the brake and clutch switches for any failures, as well as checking for broken wires that may stem from the switch. Additionally, don’t overlook the fuse box; blown fuses can often be the reason behind a non-operational cruise control system. Lastly, consider external factors that might interfere with the system, such as audio equipment that produces heavy bass. By following this structured diagnostic approach, you can efficiently identify and resolve the cruise control issues in your vehicle.
When troubleshooting cruise control issues in a 2012 GMC Savana 1500, it's essential to consider several common problems that could be at play. One of the primary culprits is a faulty brake pedal switch, which can either prevent the cruise control from engaging or cause it to disengage unexpectedly. Additionally, a blown fuse in the vehicle's electrical system can disrupt the cruise control function, making it crucial to check the fuse box for any issues. Another potential problem is a defective speed sensor, which can lead to inaccurate speed readings and, consequently, cruise control malfunctions. It's also important to inspect for vacuum leaks in the engine system, as these can hinder the cruise control's ability to maintain speed effectively. Lastly, a malfunctioning cruise control module may result in the system not responding to commands or failing to engage altogether. By systematically addressing these common issues, DIYers can effectively diagnose and resolve cruise control problems in their GMC Savana 1500.
Addressing the non-functioning cruise control in a 2012 GMC Savana 1500 is crucial due to the immediate safety risks it poses. A malfunctioning system can lead to erratic speed control, increasing the likelihood of accidents, especially on highways where maintaining a steady speed is essential. Additionally, the comfort and convenience that cruise control provides during long drives cannot be overlooked; without it, drivers may experience fatigue from constant acceleration adjustments. Moreover, neglecting this issue could indicate deeper mechanical or electrical problems that may worsen over time, leading to more significant repairs and costs. Lastly, keeping all vehicle systems in working order is vital for preserving resale value; potential buyers are more inclined to purchase a vehicle that demonstrates proper maintenance and functionality. Therefore, it is imperative to address any cruise control issues promptly to ensure a safe, comfortable, and valuable driving experience.
See what others are asking about their GMC Savana 1500. Get answers from RepairPal's community of auto experts and enthusiasts.
Read about related problems experienced by other GMC Savana 1500 drivers like you.
