Category: OBDii Powertrain Codes

P0557 Brake Booster Pressure Sensor Circuit Low Voltage Possible causes – Faulty Brake Booster Pressure Sensor– Brake Booster Pressure Sensor harness is open or shorted– Brake Booster Pressure Sensor circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P0557 Description Brake booster pressure sensor is connected to brake booster…

P0558 Brake Booster Pressure Sensor Circuit High Voltage Possible causes – Faulty Brake Booster Pressure Sensor– Brake Booster Pressure Sensor harness is open or shorted– Brake Booster Pressure Sensor circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P0558 Description Brake booster pressure sensor is connected to brake booster…

P0559 Brake Booster Pressure Sensor Circuit Intermittent Possible causes – Faulty Brake Booster Pressure Sensor– Brake Booster Pressure Sensor harness is open or shorted– Brake Booster Pressure Sensor circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P0559 Description Brake booster pressure sensor is connected to brake booster by…

P0560 ECM Power Source Circuit Unexpected Voltage Possible causes – Low battery charge– Battery defective– Loose or missing alternator drive belt– Faulty alternator– Open or short system voltage circuit Tech description Start by recharging or replacing the battery. What about the obd code? The P0560 code is detected when the Engine Control Module (ECM) voltage…

P0561 Battery System Voltage Possible causes – Low battery charge– Battery defective– Loose or missing alternator drive belt– Faulty alternator– Open or short system voltage circuit Tech description Start by recharging or replacing the battery. What about the obd code? The electrical system voltage level is monitored for intended voltage level Symptoms – Engine Light…

P0562 Charging System Low Voltage Possible causes – Low battery charge– Battery defective– Loose or missing alternator drive belt– Faulty alternator– Open or short system voltage circuit Tech description Start by recharging or replacing the battery. What about the obd code? The Engine Control Module (ECM) has detected that the electrical system voltage level is…

P0548 Exhaust Gas Temperature Sensor Circuit Low Bank 2 Sensor 1 Possible causes – Faulty Exhaust Gas Temperature Sensor– Exhaust Gas Temperature Sensor harness is open or shorted– Exhaust Gas Temperature Sensor circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light)

P0549 Exhaust Gas Temperature Sensor Circuit High Bank 2 Sensor 1 Possible causes – Faulty Exhaust Gas Temperature Sensor– Exhaust Gas Temperature Sensor harness is open or shorted– Exhaust Gas Temperature Sensor circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light)

P0550 Power Steering Pressure Sensor Circuit Malfunction Possible causes – Faulty Power Steering Pressure Sensor– Power Steering Pressure Sensor harness is open or shorted– Power Steering Pressure Sensor circuit poor electrical connection What about the obd code? An excessively low or high voltage from the Power Steering Pressure Sensor is sent to Engine Control Module…

P0551 Power Steering Pressure Sensor Circuit Range/Performance Possible causes – Faulty Power Steering Pressure Sensor– Power Steering Pressure Sensor harness is open or shorted– Power Steering Pressure Sensor circuit poor electrical connection What about the obd code? An out of range voltage from the Power Steering Pressure Sensor is sent to Engine Control Module (ECM)….

P0552 Power Steering Pressure Sensor Circuit Low Input Possible causes – Faulty Power Steering Pressure Sensor– Power Steering Pressure Sensor harness is open or shorted– Power Steering Pressure Sensor circuit poor electrical connection What about the obd code? A low voltage from the Power Steering Pressure Sensor is sent to Engine Control Module (ECM). Symptoms…

P0553 Power Steering Pressure Sensor Circuit High Input Possible causes – Faulty Power Steering Pressure Sensor– Power Steering Pressure Sensor harness is open or shorted– Power Steering Pressure Sensor circuit poor electrical connection What about the obd code? A low voltage from the Power Steering Pressure Sensor is sent to Engine Control Module (ECM). Symptoms…

P0544 Exhaust Gas Temperature Sensor Circuit Bank 1 Sensor 1 Possible causes – Faulty Turbocharger Intake Temperature Sensor– Turbocharger Intake Temperature Sensor harness is open or shorted– Turbocharger Intake Temperature Sensor circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light)

P0545 Exhaust Gas Temperature Sensor Circuit Low Bank 1 Sensor 1 Possible causes – Faulty Exhaust Gas Temperature Sensor– Exhaust Gas Temperature Sensor harness is open or shorted– Exhaust Gas Temperature Sensor circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light)

P0546 Exhaust Gas Temperature Sensor Circuit High Bank 1 Sensor 1 Possible causes – Faulty Exhaust Gas Temperature Sensor– Exhaust Gas Temperature Sensor harness is open or shorted– Exhaust Gas Temperature Sensor circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light)

P0547 Exhaust Gas Temperature Sensor Circuit Bank 2 Sensor 1 Possible causes – Faulty Exhaust Gas Temperature Sensor– Exhaust Gas Temperature Sensor harness is open or shorted– Exhaust Gas Temperature Sensor circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light)

P0538 A/C Evaporator Temperature Circuit High Input Possible causes – Faulty A/C Evaporator Temperature Sensor– A/C Evaporator Temperature Sensor harness is open or shorted– A/C Evaporator Temperature Sensor circuit poor electrical connection What about the obd code? When the A/C Evaporator Temperature (ACET) sensor signal is high the Powertrain Control Module (PCM) will triggered the…

P0539 A/C Evaporator Temperature Circuit Intermittent Possible causes – Faulty A/C Evaporator Temperature Sensor– A/C Evaporator Temperature Sensor harness is open or shorted– A/C Evaporator Temperature Sensor circuit poor electrical connection What about the obd code? When the A/C Evaporator Temperature (ACET) sensor signal is intermittent the Powertrain Control Module (PCM) will triggered the P0539…