Honda Ridgeline: P219A Meaning, Causes, & Diagnosis

P219A is a generic OBDII code.  The code indicates that your Honda Ridgeline’s air/fuel ratio is out of balance (too rich or too lean). Your Ridgeline is equipped with oxygen sensors that measure the air-fuel ratio of your engine. It’s these sensors that are reporting the problem with the air-fuel ratio.   With P219A are … Read more

P2097 Honda Ridgeline

P2097 is a generic OBD II code, which means that it has the same meaning for the Honda Ridgeline as it would any other vehicle.  It specifically indicates that your Ridgeline detected that air-fuel mixture reading as the exhaust gas exits the catalytic converter is too rich. (too much fuel for the amount of fuel … Read more

Honda Ridgeline 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 Honda Ridgeline, 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

Honda Ridgeline P1133:  Meaning, Causes, and Diagnosis

P1133 can have different definitions depending on the vehicle manufacturer in question.  In the case of the Honda Ridgeline 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

Honda Ridgeline 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 Honda Ridgeline as it would any other.  This code appears when something has interrupted the communication between two of your Ridgeline’s control modules. The most common causes of U0073 are … Read more

Honda Ridgeline P2276: B2S3 O2 Sensor Stuck Lean

P2276 is a general diagnostic trouble code.  It means that your Honda Ridgeline’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

Honda Ridgeline P2274:  B1S3 O2 Sensor – Stuck Lean

P2274 in the Honda Ridgeline 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