P2A01 is a rare DTC trouble code. It is a general code, which means it has the same definition for the GMC Sierra as it would any other vehicle. P2A01 indicates that the first oxygen on the bank 2 side of the engine is sending a signal to the PCM that is outside of its … Read more
P2A00 is a somewhat common DTC trouble code. It is a general code, which means it has the same definition for the GMC Sierra 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 GMC Sierra has DTC P2A00, … Read more
P2007 is a general DTC trouble code. It is not a very common code. If your GMC Sierra 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
P2006 is a general diagnostic code. It is applicable to all vehicles made after the 1996 model year, including the GMC Sierra. 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
P2005 is a rare diagnostic trouble (DTC) code. It indicates that your GMC Sierra’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
P2004 is a somewhat rare diagnostic trouble (DTC) code. It indicates that your GMC Sierra’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
P2122 is a generic OBD-II code, meaning that it has the same definition for all makes and models of vehicles, including your GMC Sierra. P2122 indicates that the voltage coming from your Sierra’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
2104 is a relatively rare OBD-II trouble code. It indicates that your GMC Sierra’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
P2101 is a general OBD2 trouble code. It has the same meaning for the GMC Sierra 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
P2106 is a somewhat uncommon OBD-II code. It is not manufacturer-specific, so it has the same meaning for your GMC Sierra 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