Honda Ridgeline P2005: IMRC Stuck Open (Bank 2)

P2005 is a rare diagnostic trouble (DTC) code.  It indicates that your Honda Ridgeline’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

Honda Ridgeline: P2004 Meaning + Diagnosis

P2004 is a somewhat rare diagnostic trouble (DTC) code.  It indicates that your Honda Ridgeline’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

Honda Ridgeline 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 Honda Ridgeline. P2122 indicates that the voltage coming from your Ridgeline’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

Honda Ridgeline P2104: Meaning, Causes & Diagnosis

2104 is a relatively rare OBD-II trouble code. It indicates that your Honda Ridgeline’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

Honda Ridgeline: P2101 Meaning, Causes + Diagnosis

P2101 is a general OBD2 trouble code. It has the same meaning for the Honda Ridgeline 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

Honda Ridgeline 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 Honda Ridgeline 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

Honda Ridgeline:  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 Honda Ridgeline has a bad knock sensor, we’ve listed them out below. A knock sensor works by listening to your engine and determining if your Ridgeline is … Read more

Honda Ridgeline U0101:  Meaning, Causes, + Diagnosis

U0101 is a generic powertrain code, which means it has the same definition for the Honda Ridgeline as it would any other vehicle.  It means that your Ridgeline’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

Honda Ridgeline P219B: Causes, Diagnosis, + Symptoms

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