Buick Enclave P2104: Meaning, Causes & Diagnosis

2104 is a relatively rare OBD-II trouble code. It indicates that your Buick Enclave’s PCM has disabled the gas pedal, leaving the engine stuck at idle.  It’s a generic code, so it has the same definition no matter what type of vehicle has the code. P2104 Definition:  Throttle Actuator Control System – Forced Idle There … Read more

Buick Enclave: P2101 Meaning, Causes + Diagnosis

P2101 is a general OBD2 trouble code. It has the same meaning for the Buick Enclave as it would any other vehicle. It is typically caused by wiring issues at the throttle actuator, or a bad throttle actuator itself. P2101 Definition: Throttle Actuator “A” Control Motor  – Circuit Range/Performance Throttle Actuator “A” Control Motor Circuit … Read more

Buick Enclave P2106:  Meaning, Causes + Diagnosis

P2106 is a somewhat uncommon OBD-II code.  It is not manufacturer-specific, so it has the same meaning for your Buick Enclave as it would any other vehicle. It is an indication that limp mode/failsafe mode has been activated.  There is a myriad of problems that can cause P2106.  The throttle actuator itself is rarely the … Read more

Buick Enclave:  Bad Knock Sensor Symptoms

Modern vehicles use knock sensors to detect engine detonation.  This allows the PCM (powertrain control module) to run very aggressive spark timing.  If you are concerned that your Buick Enclave has a bad knock sensor, we’ve listed them out below. A knock sensor works by listening to your engine and determining if your Enclave is … Read more

Buick Enclave: AC Compressor Not Turning On – Diagnosis

No matter where you live if your Buick Enclave’s AC compressor is not turning on, it can turn a pleasant commute into a nightmare (particularly if you have kids that are riding with you). The AC compressor pulley is always being turned by either the serpentine belt or a dedicated belt (it’s going to depend … Read more

Buick Enclave U0101:  Meaning, Causes, + Diagnosis

U0101 is a generic powertrain code, which means it has the same definition for the Buick Enclave as it would any other vehicle.  It means that your Enclave’s TCM (Transmission Control Module) can’t communicate with the rest of the vehicle, usually due to a bad wiring harness or an issue with the  TCM itself. U0101 … Read more

Buick Enclave P219B: Causes, Diagnosis, + Symptoms

P219B is a generic OBD2 trouble code.  This code indicates that your Buick Enclave’s air/fuel ratio is out of balance (too rich or too lean) on the bank 2 side of the engine in question. Your Enclave is equipped with oxygen sensors that measure the air-fuel ratio of your engine. It’s these sensors that are … Read more

Buick Enclave: P219A Meaning, Causes, & Diagnosis

P219A is a generic OBDII code.  The code indicates that your Buick Enclave’s air/fuel ratio is out of balance (too rich or too lean). Your Enclave is equipped with oxygen sensors that measure the air-fuel ratio of your engine. It’s these sensors that are reporting the problem with the air-fuel ratio.   With P219A are … Read more

Buick Enclave U0100:  Lost Communication with ECM/PCM “A”

U0100 is a generic diagnostic trouble code, meaning it has the same definition for any vehicle made in the 1996 model year or newer (including the Buick Enclave).  This code tells you that communication has been lost between the ECM/PCM (main computer) and a particular control module has been completely lost. When a vehicle has … Read more