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DTC B1249 - Ambient Air Temperature Sensor Circuit Low Input
The Engine Control Module (ECM) has detected a low voltage input from the Ambient Air Temperature (AAT) sensor circuit, indicating a possible short to ground...
P0700 - Transmission Control System Malfunction
The Powertrain Control Module (PCM) has detected a fault in the Transmission Control Module (TCM) or the transmission control system and has set the P0700 code.
Vehicle Speed Sensor (VSS) Malfunction
The vehicle's speed sensor is not sending a proper signal to the engine control module, indicating a problem with speed measurement.
Evaporative Emission Control System Vent Control Circuit Malfunction
The vehicle's onboard computer has detected a problem with the vent control circuit in the evaporative emission control system (EVAP). This system prevents f...
Evaporative Emission Control System Malfunction
The vehicle's onboard diagnostic system has detected a problem in the evaporative emission control system (EVAP), which is responsible for preventing fuel va...
O2 Sensor Heater Circuit Malfunction (Bank 2, Sensor 1)
The oxygen sensor heater circuit for the sensor located before the catalytic converter on bank 2 is not functioning properly.
O2 Sensor Heater Circuit Malfunction (Bank 1 Sensor 2)
The oxygen sensor heater circuit for the sensor located after the catalytic converter on bank 1 is not functioning properly, causing the sensor to not reach ...
O2 Sensor Heater Circuit Malfunction (Bank 1, Sensor 1)
The engine control module (ECM) has detected a problem with the heater circuit of the oxygen sensor located before the catalytic converter on bank 1. This he...
Intake Air Temperature Sensor 1 Circuit High Input
The engine control module (ECM) has detected a high voltage signal from the intake air temperature (IAT) sensor, indicating that the sensor is reporting an a...
Mass or Volume Air Flow Circuit Range/Performance Problem
The engine control module (ECM) has detected that the mass air flow (MAF) sensor signal is outside the expected range or is inconsistent with other sensor in...
P0012 - Camshaft Position 'B' Timing Over-Retarded (Bank 1)
The engine control module (ECM) has detected that the camshaft timing for the exhaust camshaft on bank 1 is more retarded than expected.
P0011 - Camshaft Position 'A' Timing Over-Advanced or System Performance (Bank 1)
The engine control module (ECM) has detected that the timing of the intake camshaft on bank 1 is more advanced than the expected range.
P0010 - Camshaft Position Actuator Circuit (Bank 1)
The engine control module (ECM) has detected a problem with the camshaft position actuator circuit on bank 1, which controls the variable valve timing system.
P0401 - Exhaust Gas Recirculation (EGR) Flow Insufficient Detected
The engine control module (ECM) has detected that the flow of exhaust gases through the EGR system is less than expected during operation.
Coolant Thermostat (Coolant Temperature Below Regulating Temperature)
The engine coolant temperature is not reaching the expected operating temperature within a specified time after starting the engine.
Evaporative Emission Control System Leak Detected (Very Small Leak)
The vehicle's onboard diagnostic system has detected a very small leak in the evaporative emission control (EVAP) system, which is responsible for capturing ...
P0455 - Evaporative Emission Control System Leak Detected (Large Leak)
This code indicates that the vehicle's onboard diagnostic system has detected a large leak in the evaporative emission control (EVAP) system, which is design...
Evaporative Emission Control System Leak Detected (Small Leak)
The vehicle's onboard diagnostics system has detected a small leak in the evaporative emission control (EVAP) system, which is responsible for capturing fuel...
Cylinder 4 Misfire Detected
The engine control module (ECM) has detected a misfire in cylinder number 4, meaning that cylinder 4 is not firing properly during engine operation.
Cylinder 3 Misfire Detected
The engine control module (ECM) has detected that cylinder number 3 is misfiring, meaning it is not firing properly or at the correct time.
Cylinder 2 Misfire Detected
The engine control module (ECM) has detected a misfire in cylinder number 2, indicating that the fuel-air mixture in that cylinder is not igniting properly.
P0301 - Cylinder 1 Misfire Detected
The engine control module (ECM) has detected a misfire in cylinder number 1.
P0174 - System Too Lean (Bank 2)
The engine control module (ECM) has detected that the air-fuel mixture on bank 2 is too lean, meaning there is too much air and not enough fuel.
P0420 - Catalyst System Efficiency Below Threshold (Bank 1)
The vehicle's engine control module (ECM) has detected that the catalytic converter on bank 1 is not working as efficiently as expected.
P0300 - Random/Multiple Cylinder Misfire Detected
The engine control module (ECM) has detected random or multiple cylinder misfires occurring in the engine.
System Too Lean (Bank 1)
The engine control module (ECM) has detected that the air-fuel mixture on bank 1 is too lean, meaning there is too much air or not enough fuel.
