P053B Positive Crankcase Ventilation Heater Control Circuit Low OBD Code: System: Subsystem: P053B – (ASE) Powertrain Vehicle Speed Control, Idle Controls, and Auxiliary Inputs Trouble Code Description: Positive Crankcase Ventilation Heater Control Circuit Low Location: Analysis: Possible Causes: End of Range – Circuit Lower Than Expected Tech description:
Category: OBDii Powertrain Codes
P053C Positive Crankcase Ventilation Heater Control Circuit High
P053C Positive Crankcase Ventilation Heater Control Circuit High OBD Code: System: Subsystem: P053C – (ASE) Powertrain Vehicle Speed Control, Idle Controls, and Auxiliary Inputs Trouble Code Description: Positive Crankcase Ventilation Heater Control Circuit High Location: Analysis: Possible Causes: End of Range – Circuit Higher Than Expected Tech description:
P0540 Intake Air Heater Feedback Circuit
P0540 Intake Air Heater Feedback Circuit Possible causes – Intake air heater relay Tech description The most common problem that sets code p0540 is the air intake relay Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P0540 Description The Engine Control Module (ECM) uses an Intake Air Heater (IAH) to warm the…
P0541 Intake Air Heater Relay 1 Low
P0541 Intake Air Heater Relay 1 Low Possible causes – Faulty Intake Air Heater Relay– Intake Air Heater Relay harness is open or shorted– Intake Air Heater Relay circuit poor electrical connection Tech description Dfuser P0541 AIH Code Eliminator What about the obd code? The Engine Control Module (ECM) sends a bias voltage on diagnostic…
P0542 Intake Air Heater Relay 1 High
P0542 Intake Air Heater Relay 1 High Possible causes – Faulty Intake Air Heater Relay– Intake Air Heater Relay harness is open or shorted– Intake Air Heater Relay circuit poor electrical connection What about the obd code? The Engine Control Module (ECM) sends a bias voltage on diagnostic circuits one and two. If this voltage…
P0530 Air Conditioning Refrigerant Pressure Sensor Circuit
P0530 Air Conditioning Refrigerant Pressure Sensor Circuit Possible causes – A/C system low or over charged with refrigerant– Faulty A/C Refrigerant Pressure Sensor– Cooling fans in-operative– A/C Refrigerant Pressure Sensor harness is open or shorted– A/C Refrigerant Pressure Sensor circuit poor electrical connection What about the obd code? The P0530 code is detected when the…
P0531 Air Conditioning (A/C) Refrigerant Pressure (Sensor A) Circuit Range / Performance
P0531 Air Conditioning (A/C) Refrigerant Pressure (Sensor A) Circuit Range / Performance Possible causes – A/C system low or over charge with refrigerant– Faulty A/C refrigerant pressure sensor– Cooling fans in-operative– A/C refrigerant pressure sensor circuit open or shorted– A/C refrigerant pressure sensor circuit poor electrical connection What about the obd code? The P0531 code…
P0532 Air Conditioning (A/C) Refrigerant Pressure (Sensor A) Circuit Low
P0532 Air Conditioning (A/C) Refrigerant Pressure (Sensor A) Circuit Low Possible causes – A/C system low or over charge with refrigerant– Faulty A/C refrigerant pressure sensor– Cooling fans in-operative– A/C refrigerant pressure sensor circuit open or shorted– A/C refrigerant pressure sensor circuit poor electrical connection What about the obd code? The P0532 code is detected…
P0533 A/C Refrigerant Pressure Sensor Circuit High Input
P0533 A/C Refrigerant Pressure Sensor Circuit High Input Possible causes – A/C system low or over charge with refrigerant– Faulty A/C refrigerant pressure sensor– Cooling fans in-operative– A/C refrigerant pressure sensor circuit open or shorted– A/C refrigerant pressure sensor circuit poor electrical connection What about the obd code? The P0533 code is detected when the…
P0534 Air Conditioning (A/C) Refrigerant Charge Loss
P0534 Air Conditioning (A/C) Refrigerant Charge Loss Possible causes – A/C system low or over charge with refrigerant– Faulty A/C refrigerant pressure sensor– Cooling fans in-operative– A/C refrigerant pressure sensor circuit open or shorted– A/C refrigerant pressure sensor circuit poor electrical connection What about the obd code? The ECM has detected that the AC compressor…
P0535 A/C Evaporator Temperature Sensor Circuit
P0535 A/C Evaporator Temperature Sensor Circuit Possible causes – Faulty Evaporator Temperature sensor– A/C evaporator temperature sensor harness is open or short– A/C evaporator temperature sensor circuit poor electrical connection What about the obd code? The Powertrain Control Moduel (PCM) has detected a fault in the temperature sensor circuit Symptoms – Engine Light ON (or…
P0536 A/C Evaporator Temperature Circuit Range/Performance
P0536 A/C Evaporator Temperature Circuit Range/Performance 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 out of range the Powertrain Control Module (PCM) will triggered…
P0537 A/C Evaporator Temperature Circuit Low Input
P0537 A/C Evaporator Temperature Circuit Low 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 low the Powertrain Control Module (PCM) will triggered the…
P0528 Fan Speed Sensor Circuit No Signal
P0528 Fan Speed Sensor Circuit No Signal Possible causes – Faulty Fan Speed Sensor– Fan Speed Sensor harness is open or shorted– Fan Speed Sensor circuit poor electrical connection– Faulty fan clutch– Faulty PCM Symptoms – Engine Light ON (or Service Engine Soon Warning Light)– Engine overheating P0528 Description The PCM has detected an incorrect…
P0529 Fan Speed Sensor Circuit Intermittent
P0529 Fan Speed Sensor Circuit Intermittent OBD Code: System: Subsystem: P0529 – (ASE) Powertrain Vehicle Speed Control, Idle Controls, and Auxiliary Inputs Trouble Code Description: Fan Speed Sensor Circuit Intermittent Location: Analysis: Possible Causes: Circuit Sporatic / Not Continuous Tech description:
P0519 Idle Control System Malfunction
P0519 Idle Control System Malfunction Possible causes – Faulty Idle Air Control Valve– Vacuum leak– Idle Air Control Valve harness is open or shorted– Idle Air Control Valve circuit poor electrical connection Tech description Clean Idle Air Control Valve (IACV) – Warm up Engine– Remove the intercooler and set aside– Disconnect the Mass Airflow sensor…
P0520 Engine Oil Pressure Sensor/Switch Circuit Malfunction
P0520 Engine Oil Pressure Sensor/Switch Circuit Malfunction Possible causes – Low oil level or motor mechanical fault– Faulty oil pressure sensor– Oil Pressure Sensor harness is open or shorted– Oil Pressure Sensor circuit poor electrical connection What about the obd code? The P0520 is detected when the circuit from oil pressure sensor to PCM is…
P0521 Engine Oil Pressure Sensor/Switch Circuit Range/Performance
P0521 Engine Oil Pressure Sensor/Switch Circuit Range/Performance Possible causes – Low oil level or motor mechanical fault– Faulty oil pressure sensor– Oil Pressure Sensor harness is open or shorted– Oil Pressure Sensor circuit poor electrical connection What about the obd code? The P0521 is detected when the signal sent from oil pressure sensor to PCM…
P0522 Engine Oil Pressure Sensor Circuit Low Voltage
P0522 Engine Oil Pressure Sensor Circuit Low Voltage Possible causes – Low oil level or motor mechanical fault– Faulty Oil Pressure sensor– Oil Pressure Sensor harness is open or shorted– Oil Pressure Sensor circuit poor electrical connection What about the obd code? The P0522 is set when the Powertrain Control Module (PCM) senses a signal…
P0523 Engine Oil Pressure Sensor/Switch Circuit High Voltage
P0523 Engine Oil Pressure Sensor/Switch Circuit High Voltage Possible causes – Low oil level or motor mechanical fault– Faulty Oil Pressure sensor– Oil Pressure Sensor harness is open or shorted– Oil Pressure Sensor circuit poor electrical connection What about the obd code? The P0523 is detected when the signal sent from oil pressure sensor to…