If your Buick Lucerne’s AC system is not working, it can be uncomfortable and downright dangerous on a hot day. There are A LOT of issues that can cause your car’s air conditioner to fail. This article is broken down into these three sections to help save you time repairing …
Read More »Buick Lucerne Dash Light Flicker and No Start: How to Fix
Dash lights flickering and failure to start is a very common issue that can happen to the Buick Lucerne. While your first impulse may be to think that there is something wrong with your car’s starter (and it is possible), it’s usually caused by an issue with the battery or …
Read More »Buick Lucerne P0073: Meaning, Causes, & How to Fix
P0073 is a common OBD2 trouble code that can affect the Buick Lucerne. OBD2 trouble codes. In layman’s terms, it indicates that there is an issue with your car’s ambient air sensor. The ambient air temperature sensor (or AAT for short) is responsible for monitoring outside air temperature and regulating …
Read More »Buick Lucerne P0324: Meaning, Causes, + Likely Fix
P0324 is a common OBD2 trouble code. It indicates that there is an issue with your Buick Lucerne’s knock control system. While P0324 is a generic code, repair steps will vary depending on your Lucerne’s engine type and model year. However, some basic steps can be followed to help diagnose …
Read More »Buick Lucerne P0026: Symptoms, Causes, + Common Fixes
P0026 is a code that signals an issue with your Buick Lucerne’s intake valve control solenoid circuit. In layman’s terms, the circuit is not complying with the Powertrain Control Module’s commands. It sent a signal to the intake valve control solenoid, and it, for whatever reason, failed. P0026 is a …
Read More »Buick Lucerne P0725 Code: Meaning, Causes, + Diagnosis
P0725 is a common OBD2 code that can occur in the Buick Lucerne. It indicates an issue with the engine speed sensor input circuit (which measures the engine speed at the input shaft and helps the PCM determine when and how hard to shift the transmission). It’s a generic code, …
Read More »Buick Lucerne C0040: Meaning, Causes, + Likely Fix
C0040 is a chassis trouble code that occurs in the Buick Lucerne. GM designated C0040 to indicate an issue with the right front wheel speed sensor. Replacing your Lucerne’s right front wheel speed sensor is the most common repair for C0040, but it’s not the only one. Wiring harness issues …
Read More »Buick Lucerne P0523: Meaning, Causes, + Likely Fixes
P0523 is a standard OBD2 trouble code that can occur in the Buick Lucerne. In layman’s terms, it indicates the signal from the oil pressure sensor is higher than its normal operating range (in terms of voltage). P0523 is generic (it has the same definition for all vehicles), repair steps …
Read More »Buick Lucerne P015B: Meaning, Causes, & Diagnosis
P015B is a generic trouble code, which means it has the same meaning any vehicle. In the case of the Buick Lucerne, It indicates that the Oxygen (O2) sensor on bank 1 is not cycling from lean to rich as fast as it should be. P015B is usually caused by …
Read More »Buick Lucerne: DRL Warning Light On – Causes + Fix
Daytime running lights (or DRL) are specialized lights that come on when your Buick Lucerne’s regular headlights are turned off. Their purpose is to make it easier for other drivers to see you, theoretically decreasing the odds of getting into an accident. If your Lucerne’s DRL warning light is on, …
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