Acura ILX P0705: Meaning, Causes, & Diagnosis

P0705 is a very common transmission-related trouble code that can occur in the Acura ILX. In layman’s terms, it means that your ILX can’t tell what gear you’ve selected, which can have some real consequences on how it drives. It’s most likely caused by a bad Transmission Range Sensor (TRS), but there are other causes … Read more

Acura ILX: DRL Warning Light On – Causes + Fix

Daytime running lights (or DRL) are specialized lights that come on when your Acura ILX’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 ILX’s DRL warning light is on, the powertrain control module (commonly … Read more

Acura ILX P2271: Meaning, Causes, + Diagnosis

P2271 is a generic DTC trouble code that can affect the Acura ILX. It indicates that the oxygen sensor located on bank 1 in the second position is continuously sending voltage with a value that is too rich. There are oxygen sensors on both sides of the catalytic converter. The “upstream” one is used for … Read more

Acura ILX P2279 Code: Meaning, Causes, and Diagnosis

P2279 is a generic OBD-II code. It indicates there is a vacuum leak coming from your Acura ILX’s air intake system. While P2279 is a generic code (it has the same definition for the ILX as it would any other vehicle made after 1996), repair steps will vary based on model year and engine. The … Read more

Acura ILX P0605: Meaning, Causes, + Fix

P0605 is a relatively rare OBD-II trouble code that can occur in the Acura ILX. It indicates that PCM (powertrain control module) is not passing its ROM (read-only memory) self-test when you turn the ignition on. While P0605 is a generic code (it has the same meaning for any car or truck), it is most … Read more

Acura ILX P0116: Meaning, Causes, + Diagnosis

P0116 indicates that your Acura ILX’s engine coolant temperature sensor is sending a signal to the PCM (powertrain control module) that is outside of its normal operating range (in terms of voltage). While P0116 is a generic OBD2 code (it has the same definition for any car or truck), it has the same basic causes … Read more

Acura ILX P0117 Code: Meaning, Causes, and Diagnosis

P0117 is a generic OBD2 code.  It indicates that your Acura ILX’s PCM (powertrain control module) has detected the signal coming from the engine coolant temp (ECT) sensor has a voltage level below its normal operating range. With the ECT sensor, as the voltage level drops, it will appear that your ILX is overheating. While … Read more

Acura ILX P3497 Code: Meaning, Causes, & Diagnosis

P3497 is a generic OBD2 trouble code. It indicates that your Acura ILX’s cylinder deactivation system has a performance issue on the bank 2 side (we cover what a bank is below if you don’t know). It is a very common code to see in Honda-made cars, vans, and trucks. P3497 by itself is not … Read more

Acura ILX P3400: Meaning, Causes, & Diagnosis

P3400 is a generic OBD2 trouble code. It indicates that your Acura ILX’s cylinder deactivation system has a performance issue. It is a very common code to see in Honda-made cars, vans, and trucks. P3400 by itself is not a breakdown risk. Your ILX’s engine will run just fine on all of its cylinders. The … Read more

Acura ILX P0743: Meaning, Causes, + Diagnosis

P0743 is a generic OBD2 code that can occur in the Acura ILX. It indicates that your ECU/TCM has found an issue with the torque converter clutch solenoid. It is a generic code (meaning it has the same definition for all cars and trucks). Repair steps are going to vary depending on your ILX’s model … Read more