Kia Rio U0101:  Meaning, Causes, + Diagnosis

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

Kia Rio P219B: Causes, Diagnosis, + Symptoms

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

Kia Rio: P219A Meaning, Causes, & Diagnosis

P219A is a generic OBDII code.  The code indicates that your Kia Rio’s air/fuel ratio is out of balance (too rich or too lean). Your Rio 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

Kia Rio U0100:  Lost Communication with ECM/PCM “A”

U0100 is a generic diagnostic trouble code, meaning it has the same definition for any vehicle made in the 1996 model year or newer (including the Kia Rio).  This code tells you that communication has been lost between the ECM/PCM (main computer) and a particular control module has been completely lost. When a vehicle has … Read more

P2097 Kia Rio

P2097 is a generic OBD II code, which means that it has the same meaning for the Kia Rio as it would any other vehicle.  It specifically indicates that your Rio 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

Kia Rio P2098: Post Catalyst Fuel Trim System – Too Lean- Bank 2

P2098 is a generic OBD II code. It specifically indicates that your Rio detected a lean condition after the catalytic converter (too much air for the amount of fuel present). P2098 Definition This particular code is generic, so it has the same meaning for your Kia Rio as any other vehicle.  There are three parts … Read more

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

Kia Rio P2276: B2S3 O2 Sensor Stuck Lean

P2276 is a general diagnostic trouble code.  It means that your Kia Rio’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

Kia Rio P2274:  B1S3 O2 Sensor – Stuck Lean

P2274 in the Kia Rio 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