Chevy Monte Carlo U0101:  Meaning, Causes, + Diagnosis

U0101 is a generic powertrain code, which means it has the same definition for the Chevy Monte Carlo as it would any other vehicle.  It means that your Monte Carlo’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 … Read more

Chevy Monte Carlo P219B: Causes, Diagnosis, + Symptoms

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

Chevy Monte Carlo: P219A Meaning, Causes, & Diagnosis

P219A is a generic OBDII code.  The code indicates that your Chevy Monte Carlo’s air/fuel ratio is out of balance (too rich or too lean). Your Monte Carlo 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 … Read more

P2097 Chevy Monte Carlo

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

Chevy Monte Carlo 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 Chevy Monte Carlo, 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 … Read more

Chevy Monte Carlo P1133:  Meaning, Causes, and Diagnosis

P1133 can have different definitions depending on the vehicle manufacturer in question.  In the case of the Chevy Monte Carlo 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 … Read more