Cadillac CT6: Bad Thermostat Symptoms + Diagnosis

The thermostat in your Cadillac CT6’s engine plays a crucial role in regulating its temperature. A malfunctioning thermostat may lead to various issues and should be dealt with immediately. Some of the most common symptoms of a bad thermostat are no heat, a spiked temp gauge, a blown head gasket, and more. A thermostat failure … Read more

Cadillac CT6 Parking Brake Stuck: Causes + How to Fix

There’s nothing worse than finding out your Cadillac CT6’s parking brake is stuck, especially when you’re ready for the day. The good news is this problem can be easily fixed with some simple steps. In this article, we’ll discuss the causes of a stuck parking brake in the Cadillac CT6 and how to get your … Read more

Cadillac CT6 Heater Only Works While Driving: 5 Common Causes

If your Cadillac CT6’s heat only works when driving, there are five leading causes you should check.  They are low coolant, air pockets, a bad heater core, an airlocked cooling system, and a malfunctioning thermostat. We’ll start with the easy-to-check common problems and work our way to the harder-to-deal-with rarer issues that could be affecting … Read more

Cadillac CT6 Flashing Check Engine Light: Diagnosis

The check engine light indicates that you need to service a vehicle soon. If your Cadillac CT6 has a flashing check engine light means that there is a catalyst damaging misfire (it can damage the catalytic converter and O2 sensors). If your car has a flashing check engine light, it means you need to service … Read more

Cadillac CT6 Check Engine Light On: Why and What to Do

The check engine is the most common warning light that appears in the Cadillac CT6’s instrument cluster.  Well over half of this site’s content is related to solving the various reasons why the check engine light comes on. The good news is that the check engine light indicates that there are Diagnostic Trouble Codes (DTCs) … Read more

Cadillac CT6 Soft Brake Pedal Causes

If your Cadillac CT6 has a soft brake pedal, it is a sign of a serious brake system issue. It’s usually caused by air entering the system in some way through a leak.  This article covers the six most common causes of a soft brake pedal as well as a solid diagnostic order if you … Read more

Cadillac CT6 Service Theft Deterrent System: Causes + Reset Procedure

Most GM vehicles built in the last 20+ years have a theft deterrent system, that includes the Cadillac CT6.  Depending on the model year, your car’s theft deterrent system disables the fuel pump, ignitions system, or starter if unauthorized access is detected.   When your vehicle CT6 theft deterrent system message, the system will not let … Read more

Cadillac CT6 Alarm Keeps Going Off: Causes + How to Fix

Your Cadillac CT6’s alarm system is designed to detect potential intruders, keep its contents safe, and keep them from driving your car away. However, it is not uncommon for a car alarm to go off, or keep going off, for no apparent reason– also known as false or “nuisance alarms”.  This article will discuss some … Read more