Diagnostic Trouble Code Descriptions

DTC 13 - Oxygen Sensor (O2S) Circuit (Open Circuit)
DTC 14 - Engine Coolant Temperature (ECT) Circuit (High/Low Temp.)
DTC 21 - Throttle Position Sensor (TPS) Circuit (High/Low Voltage)
DTC 23 - Intake Air Temperature (IAT) Circuit (High/Low Voltage)
DTC 24 - Vehicle Speed Sensor (VSS) Circuit
DTC 33 - Manifold Absolute Pressure (MAP) Sensor Circuit (High/Low Voltage)
DTC 42 - Ignition Control (IC) Circuit Error
DTC 44 - Oxygen Sensor Circuit (Lean Exhaust)
DTC 45 - Oxygen Sensor Circuit (Rich Exhaust)
DTC 51 - ECM Failure (ECM failed or EEPROM Failure)