Category: Chevrolet

P0129 Chevrolet Barometric Pressure Out Of Range Low Possible causes – Faulty Manifold Absolute Pressure (MAP) sensor– Manifold Absolute Pressure (MAP) sensor harness open or shorted– Manifold Absolute Pressure (MAP) sensor circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P0129 Chevrolet Description The Engine Control Module (ECM) has…

P0121 Chevrolet Throttle Position Sensor 1 Performance Possible causes – Faulty throttle position sensor– Throttle position sensor harness is open or shorted– Throttle position sensor circuit poor electrical connection– Faulty Powertrain Control Module (PCM) What about the obd code? Sensor input voltage does not fall within a valid range based on engine speed and load…

P0122 Chevrolet Throttle Position Sensor/Accelerator Position Pedal Circuit Low Input Possible causes – Faulty throttle position sensor– Throttle position sensor harness is open or shorted– Throttle position sensor circuit poor electrical connection– Faulty Powertrain Control Module (PCM) What about the obd code? The P0122 Chevrolet code will set if Throttle Position Sensor (TPS) voltage drops…

P0123 Chevrolet Throttle Position Sensor/Accelerator Position Pedal Circuit High Input Possible causes – Faulty throttle position sensor– Throttle position sensor harness is open or shorted– Throttle position sensor circuit poor electrical connection– Faulty Powertrain Control Module (PCM) What about the obd code? The P0122 Chevrolet code will set if Throttle Position Sensor (TPS) voltage drops…

P0124 Chevrolet Throttle Position Sensor/Accelerator Position Pedal Circuit Intermittent Possible causes – Faulty throttle position sensor.– Throttle position sensor harness is open or shorted– Throttle position sensor circuit poor electrical connection What about the obd code? The P0124 Chevrolet code will set if the monitored TPS has an open or short circuit condition Symptoms –…

P0120 Chevrolet Throttle Pedal Position Sensor/Switch A Circuit Malfunction Possible causes – Faulty Throttle Position Sensor– Throttle Position Sensor circuit is open or shorted– Throttle Position Sensor poor electrical connection What about the obd code? Malfunction is detected when an excessively low or high voltage from the sensor is sent to Engine Control Module (ECM)….

P0116 Chevrolet Engine Coolant Temperature Sensor 1 Circuit Range/Performance Problem Possible causes – Low engine coolant level– Faulty Engine Coolant Temperature (ECT) sensor– Faulty engine coolant thermostat– Engine Coolant Temperature (ECT) sensor harness is open or shorted– Engine Coolant Temperature (ECT) sensor circuit poor electrical connection What about the obd code? Coolant temperature signal sent…

P0117 Chevrolet Engine Coolant Temperature Circuit Low Possible causes – Low engine coolant level– Faulty Engine Coolant Temperature (ECT) sensor– Faulty engine coolant thermostat– Engine Coolant Temperature (ECT) sensor harness is open or shorted– Engine Coolant Temperature (ECT) sensor circuit poor electrical connection What about the obd code? An excessively low voltage from the sensor…

P0118 Chevrolet Engine Coolant Temperature Sensor Circuit High Possible causes – Low engine coolant level– Faulty Engine Coolant Temperature (ECT) sensor– Faulty engine coolant thermostat– Engine Coolant Temperature (ECT) sensor harness is open or shorted– Engine Coolant Temperature (ECT) sensor electrical circuit poor connection What about the obd code? An excessively high voltage from the…

P0119 Chevrolet Engine Coolant Temperature Circuit Intermittent Possible causes – Low engine coolant level– Faulty Engine Coolant Temperature (ECT) sensor– Faulty engine coolant thermostat– Engine Coolant Temperature (ECT) sensor harness is open or shorted– Engine Coolant Temperature (ECT) sensor electrical circuit poor connection What about the obd code? The Engine Control Module (ECM) detected an…

P0111 Chevrolet Intake Air Temperature Circuit Range/Performance Problem Possible causes – Faulty Intake Air Temperature (IAT) sensor– Dirty air filter– Intake Air Temperature (IAT) sensor harness is open or shorted– Intake Air Temperature (IAT) sensor circuit poor electrical connection What about the obd code? An excessively low or high voltage from the sensor is sent…

P0112 Chevrolet Intake Air Temperature Circuit Low Input Possible causes – Faulty Intake Air Temperature (IAT) sensor– Dirty air filter– Intake Air Temperature (IAT) sensor harness is open or shorted– Intake Air Temperature (IAT) sensor circuit poor electrical connection What about the obd code? An excessively low voltage from the sensor is sent to ECM….

P0113 Chevrolet Intake Air Temperature Sensor Circuit High Possible causes – Faulty Intake Air Temperature (IAT) sensor– Dirty air filter– Intake Air Temperature (IAT) sensor harness is open or shorted– Intake Air Temperature (IAT) sensor circuit poor electrical connection What about the obd code? – An excessively high voltage from the sensor is sent to…

P0114 Chevrolet Intake Air Temperature Sensor 1 Intermittent or Erratic Possible causes – Faulty Intake Air Temperature (IAT) sensor– Dirty air filter– Intake Air Temperature (IAT) sensor harness is open or shorted– Intake Air Temperature (IAT) sensor circuit poor electrical connection What about the obd code? The Engine Control Module (ECM) detected an erratic signal…

P0115 Chevrolet Engine Coolant Temperature Sensor Performance Possible causes – Low engine coolant level– Faulty Engine Coolant Temperature (ECT) sensor– Faulty engine coolant thermostat– Engine Coolant Temperature (ECT) sensor harness is open or shorted– Engine Coolant Temperature (ECT) sensor circuit poor electrical connection What about the obd code? An excessively low or high voltage from…