P0073 Code – Ambient Air Temperature Sensor Circuit High
The P0073 diagnostic trouble code (DTC) indicates that the ambient air temperature sensor circuit is reporting a voltage that is higher than expected. The ambient air temperature (AAT) sensor measures…
P0072 Code – Ambient Air Temperature Sensor Circuit Low
The P0072 diagnostic trouble code (DTC) indicates that the ambient air temperature sensor circuit is reporting a low voltage signal to the engine control unit (ECU). The ambient air temperature…
P0071 Code – Ambient Air Temperature Sensor
The P0071 diagnostic trouble code (DTC) indicates that the ambient air temperature sensor is sending values that are outside the expected range or behaving inconsistently. The ambient air temperature sensor…
P0070 Code – Ambient Air Temperature Sensor Circuit
What Does the P0070 Code Mean The P0070 diagnostic trouble code (DTC) indicates a malfunction in the ambient air temperature sensor circuit. The ambient air temperature (AAT) sensor measures the…
P0069 Code – MAP / Barometric Pressure Correlation
What Does the P0069 Code Mean The P0069 diagnostic trouble code (DTC) indicates that the engine control unit (ECU) has detected a disagreement between the readings of the MAP sensor…
P0068 Code – MAP/MAF Throttle Position Correlation
What Does the P0068 Code Mean The P0068 diagnostic trouble code (DTC) indicates that the engine control unit (ECU) has detected a mismatch between the readings of several sensors responsible…
P0149 Code – Fuel Timing Error
The P0149 diagnostic trouble code (DTC) indicates that the Engine Control Unit (ECU) has detected a fuel timing error. This code is most commonly associated with diesel engines, where precise…
P0148 Code – Fuel Delivery Error
The P0148 diagnostic trouble code (DTC) indicates that the Engine Control Unit (ECU) has detected a fuel delivery error. This code is most commonly found in diesel engines, where the…
P0147 Code – O2 Sensor Heater Circuit Malfunction
The P0147 diagnostic trouble code (DTC) indicates a malfunction in the oxygen sensor heater circuit for Bank 1 Sensor 3. Some vehicles use three oxygen sensors on the same bank…
P0138 Code – O2 Sensor Circuit High Voltage
The P0138 diagnostic trouble code (DTC) indicates that the Engine Control Unit (ECU) has detected a high voltage signal from the oxygen sensor on Bank 1 Sensor 2. This sensor…
