Buick Terraza P2A00:  Meaning, Diagnosis, & Causes

P2A00 is a somewhat common DTC trouble code.  It is a general code, which means it has the same definition for the Buick Terraza as it would any other vehicle.  P2A00 indicates that the Bank 1 Sensor 1 O2 sensor is operating outside of its normal voltage range. If your Buick Terraza has DTC P2A00, … Read more

Buick Terraza P2007: Causes + Diagnosis

P2007 is a general DTC trouble code.  It is not a very common code.  If your Buick Terraza has P2007 it’s usually pretty easy to diagnose, although there are a few different common causes. The most common causes of P2007 are wiring problems with IMRC Actuator, carbon deposits on the IMRC butterfly flaps, or a … Read more

Buick Terraza P2006: Causes + Diagnosis

P2006 is a general diagnostic code.  It is applicable to all vehicles made after the 1996 model year, including the Buick Terraza. The most common causes of P2006 are wiring problems with IMRC Actuator, carbon deposits on the IMRC butterfly flaps, or a bad intake manifold runner position sensor. P2006 Definition: IMRC – Stuck Closed … Read more

Buick Terraza P2005: IMRC Stuck Open (Bank 2)

P2005 is a rare diagnostic trouble (DTC) code.  It indicates that your Buick Terraza’s intake manifold runner control (IMRC) on the bank 2 side is stuck open.  The IMRC system is a relatively new technology, which means three things: This code is typically only seen on newer vehicles. It will only get more popular as … Read more

Buick Terraza: P2004 Meaning + Diagnosis

P2004 is a somewhat rare diagnostic trouble (DTC) code.  It indicates that your Buick Terraza’s intake manifold runner control (IMRC) is stuck open.  The IMRC system is a relatively new technology, which means three things: This code is typically only seen on newer vehicles. It will only get more popular as IMRC technology is used … Read more

Buick Terraza P2122:  Symptoms, Causes + Diagnosis

P2122 is a generic OBD-II code, meaning that it has the same definition for all makes and models of vehicles, including your Buick Terraza. P2122 indicates that the voltage coming from your Terraza’s throttle position sensor “D” is below the normal operating range.  The most common cause of this code is a bad TPS, a … Read more

Buick Terraza P2104: Meaning, Causes & Diagnosis

2104 is a relatively rare OBD-II trouble code. It indicates that your Buick Terraza’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 Terraza: P2101 Meaning, Causes + Diagnosis

P2101 is a general OBD2 trouble code. It has the same meaning for the Buick Terraza 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 Terraza 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 Terraza 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