Definition of Error Code P0152 High voltage O2 sensor circuit (sensor 1 in Bank 2) What does the code P0152 mean? P0152 is a generic OBD-II code that indicates that the O2 sensor in bank 2 sensor 1 has no output voltage below 1.2 volts for more than 10 seconds, indicating a lack of oxygen…
Definition of the P0150 code O2 sensor circuit failure (bank 2 sensor 1) What does the code P0150 mean? P0150 is a generic OBD-II code that indicates that the O2 1 sensor in bank 2 does not meet the minimum or maximum voltage limits calibrated in the engine control module (ECM). What causes the P0150…
Definition of the code P0141 O2 sensor heating circuit failure (Bank 1, sensor 2) What does code P0141 mean? P0141 is a generic OBD-II code that indicates that the engine control module (ECM) has tested the O2 sensor heater circuit and detected a problem with the oxygen sensor heater circuit Bank 1, Sensor 2. What…
Code definition P0138 O2 high voltage sensor circuit (Bank 1, sensor 2) What code P0138 means P0138 is a generic OBD-II code that indicates that the O2 sensor in Bank 1, Sensor 2 has no output voltage less than 1.2 volts for more than 10 seconds, indicating a lack of oxygen in the exhaust stream….
P0134 Code Definition. Diagnostic trouble code P0134 is an indication that there is a problem with the oxygen sensor located in front of the catalytic converter and on the engine seat that houses the #1 bottle. What does the P0134 code mean The oxygen sensor reads the amount of oxygen and fuel coming out of…
P0133 Error code definition P0133 O2 sensor circuit – slow response What does P0133 mean Bank 1 Sensor 1 is a sensor that is used by the computer (ECM) to monitor the amount of oxygen leaving the engine. The ECM uses the signal from the O2 sensor to adjust the engine’s fuel/air ratio. The air/fuel…
Definition of the P0131 code The P0131 code is a low oxygen sensor voltage in bank 1 or an incorrect air/fuel ratio. What does the P0131 code mean The P0131 code indicates that there is a malfunction in the oxygen sensor, located in sensor bank 1 of the vehicle. This is also referred to as…
Definition of the P0130 code The P0130 code is associated with seat 1, sensor 1, oxygen sensor. There can be up to five oxygen sensors in a vehicle. It can also be associated with other codes, such as P0131, P0132, P0133, P0134, P0135, P0171 or P0175. What does P0130 mean P0130 is a generic OBD-II…
Definition of the P0128 code Cooling thermostat (coolant temperature below thermostat setting temperature) What code P0128 means The P0128 code means that the engine coolant is not heating up fast enough. In other words, there is a problem in that the engine’s operating temperature is not reached within a certain time. The engine control module…
Code definition P0122 Throttle pedal position sensor (TPS) / switch (TPS) Circuit A low input. What does code P0122 mean? P0122 is a generic OBD-II code that indicates that the Engine Control Module (ECM) has noticed that the output voltage of circuit A of the TPS sensor is below the sensor’s expected range. What causes…
Definition of the code P0310 The P0310 code is a general powertrain code related to the ignition system or ignition fault. In this case, the ignition failure was identified specifically in cylinder #10. Codes associated with P0310 include: P0300: Accidental/multiple fires in a cylinder detected. P0301: Fire detected on cylinder 1. P0302: Ignition mismatch detected…
Definition of error code P0309 The appearance of fault code P0309 means that the powertrain control module has detected an ignition fault on cylinder number 9. What the P0309 code means The appearance of this code means that the vehicle’s computer has determined that one of the engine cylinders is not firing correctly. What causes…
P0308 code definition Ignition interruption detection on cylinder 8 What code P0308 means The P0308 fault code means that the Powertrain Control Module (PCM) has detected a problem with the ignition of the fuel delivered to cylinder 8. This usually has to happen several times before the fault code is stored and the Check Engine…
P0307 code definition Cylinder 7 detected with misfire What code P0307 means When the diagnostic trouble code P0307 is recorded by the Powertrain Control Module (PCM), it means that an ignition fault has been detected in cylinder 7. More specifically, the PCM detects an increase or decrease in crankshaft revolutions per minute (RPM) that exceeds…
P0306 code definition Cylinder 6 detected with ignition error What does the code P0306 mean? P0306 is a generic OBD-II code that indicates that the engine control module (ECM) has detected an ignition error in cylinder number 6 of the engine. What causes the P0306 code? The spark plug will not ignite on cylinder #6…
P0305 Code Definition Cylinder fire fault detected 5 What does code P0305 mean? P0305 is a generic OBD-II code that indicates that the engine control module (ECM) has detected an ignition error in cylinder number 5 of the engine. What causes the P0305 code to occur? The spark plug will not ignite on cylinder #5…
Definition of the P0304 code P0304 is a diagnostic trouble code that appears when an ignition error is detected on cylinder 4. This code can be seen with other ignition error codes and poor/deficient codes. What the P0304 code means The P0304 code will be seen on cars where the ECU has detected that cylinder…
P0303 Code Definition P0303 is a general diagnostic trouble code (DTC) that indicates an ignition problem on cylinder 3. This code can be seen with other ignition fault codes, as well as with faulty/deficient status codes. What the P0303 code means DTC code P0303 is set when the ECU detects multiple misfires in cylinder 3….
P0302 code definition No fire detected on cylinder 2 What code P0302 means Most vehicles have 4 or 6 cylinders. Each cylinder fires one spark plug after another. There is a spark plug at the top of each cylinder. The spark plug uses an electric spark to ignite the flammable fuel-air mixture, producing energy. The…
Diagnostic Trouble Code (DTC): P0301 P0301 Code Definition. A misfire was detected on cylinder 1. What code P0301 means In most vehicles, there are 4-6 cylinders. In order, each cylinder fires the spark plug smoothly and steadily. The spark plug ignites the fuel using a flammable mixture of fuel and air. The crankshaft is driven…
Definition of the code P0175 P0175 System too rich (Bank 2) What does the P0175 code mean P0175 indicates that the engine control module (ECM) is detecting too much fuel and not enough oxygen in the fuel/air ratio (AFR). This code is set when the ECM cannot compensate for the amount of air or fuel…
Definition of the P0174 code System too poor (Bank 2) What does code P0174 mean The P0174 code indicates that there is a lean condition detected by the engine control module (ECM). A lean condition occurs when there is too much air in the air/fuel ratio (AFR) and not enough fuel. The ECM is designed…
P0172 code definition P0172 is a fault code that is set when the ECU detects that there may be too much gasoline in the engine’s air-fuel mixture. A correct air/fuel ratio of about 14.7:1 is essential for maximum engine power and fuel economy. What the P0172 code means The P0172 code indicates that too much…
Definition of the code P0171 System too poor (Bank 1) What does code P0171 mean OBD-II code P0171 means that the fuel system is malfunctioning on the first bank of the engine or there is a vacuum leak near that side of the engine. A lean condition occurs when the engine gets too little fuel…
Definition of error code P0161 Fault code P0161 identifies a problem with the heater control circuitry in oxygen sensor bank 2. What the P0161 code means This code indicates that the oxygen sensor in seat 2 is not heating properly due to a problem in the oxygen sensor heater circuit. Vehicle emissions may increase due…
Definition of error code P0158 High voltage oxygen sensor circuit (Bank 2 sensor 2) What does fault code P0158 mean? The P0158 fault code occurs when the sensor is under high voltage for too long. This oxygen sensor is located downstream of the catalytic converter. It sends information to the power control module (PCM) about…
Code definition P0157 Low voltage oxygen sensor circuit (sensor 2 bank 2) What code P0157 means The oxygen sensor referred to in error code P0157 is located at the rear of the exhaust system, behind the catalytic converter. Its main task is to regulate the amount of oxygen leaving the catalytic converter. An oxygen-poor gas…
Definition of error code P0156 Fault in oxygen sensor circuit (bank 2 sensor) What code P0156 means The function of the oxygen sensor is to monitor the amount of oxygen present in the exhaust gases and transmit this information to the power control module (PCM). When the amount of oxygen increases or decreases, the oxygen…
Definition of error code P0155 Fault in oxygen sensor O2 heating circuit (bank 2 sensor 1) What does code P0155 mean? When a P0155 code appears, it means that the oxygen sensor heating element is taking longer than usual to heat up. The Power Control Module (PCM) will register the P0155 trouble code and the…
Definition of error code P0154 Sensor circuit 02 no activity detected (Bank 2 sensor 1) What does P0154 mean? The function of the oxygen sensor is to send information to the power control module (PCM) about the amount of oxygen in the exhaust gas. The PCM uses this information to regulate the amount of fuel…
