Acura RLX P1153: Causes, Meaning, and Diagnosis

P1153 is not a very common diagnostic trouble code.  It can have different meanings depending on the manufacturer in question. For the Acura RLX, it means: P1153:HO2S Insufficient Switching (Bank 2, Sensor 1) As long as your scanner confirms that the code is for insufficient switching of the heated oxygen sensor, you’re good to go.  … Read more

Acura RLX P1133:  Meaning, Causes, and Diagnosis

P1133 can have different definitions depending on the vehicle manufacturer in question.  In the case of the Acura RLX it means: HO2S Insufficient Switching (Bank 1, Sensor 1) It is typically caused by a failure of the heated oxygen sensor.  But, there can be a few other causes as well.  They are all addressed below. … Read more

Acura RLX U0073: Meaning, Symptoms, + Diagnosis

U0073 Definition: Control Module Communication Bus”A” Off U0073 is a fairly common trouble code.  It is generic, so it has the same meaning for your Acura RLX as it would any other.  This code appears when something has interrupted the communication between two of your RLX’s control modules. The most common causes of U0073 are … Read more

Acura RLX P2276: B2S3 O2 Sensor Stuck Lean

P2276 is a general diagnostic trouble code.  It means that your Acura RLX’s third (from the exhaust manifold) “bank 2” downstream oxygen sensor (behind the catalytic converter) is continuously sending voltage that indicates a lean air/fuel mixture.   Having this code does not necessarily mean that the vehicle is running lean (although it can, but … Read more

Acura RLX P2274:  B1S3 O2 Sensor – Stuck Lean

P2274 in the Acura RLX is a general diagnostic trouble code.  It means that the “bank 1” oxygen sensor (third oxygen sensor from the exhaust manifold, behind a catalytic converter) is continuously sending voltage that indicates a lean air/fuel mixture.   This does not necessarily mean that the vehicle is running lean (although it can, … Read more

Acura RLX P2018:  Meaning + Diagnosis

P2018 is a generic diagnostic trouble code (DTC) that indicates an issue with your Acura RLX’s intake manifold runner position sensor/valve (from here on out, we will be referring to this sensor by its common abbreviation of IMRC). P2018 Definition: IMRC – Switch Circuit Intermittent (Bank 1) IMRC The IMRC’s job is to help your RLX’s … Read more

Acura RLX P0356: Coil Pack “F” Malfunctioning – Diagnosis

P0356 is a generic OBD II diagnostic code that indicates an issue with the ignition coil “F” (the sixth cylinder). Specifically with the primary or secondary wiring circuits. If your Acura RLX has thrown this code, it will usually be accompanied by P0306.  Addressing P0356 should take care of P0306 on its own. P0356 is a … Read more

P0355-Acura-RLX

P0355 is a generic OBD II diagnostic code that indicates an issue with the ignition coil “E”. Specifically with the primary or secondary wiring circuits. If your Acura RLX has thrown this code, it may be accompanied by P0305.  P0355 is a relatively straightforward diagnosis and is typically caused by a bad coil pack or wiring harness issue, although … Read more

Acura RLX P2198: Meaning, Symptoms, Causes + Diagnosis

P2198 is a generic diagnostic trouble code that indicates that your Acura RLX’s B2S1 O2 sensor signal is stuck rich. It does not necessarily mean that the vehicle itself is running rich (although it very well could). DTC P2198 is most likely caused by a bad oxygen sensor, although there are many potential secondary causes. … Read more