Possible causes – Low engine coolant level– Leaking or stuck open thermostat– Faulty Engine Coolant Temperature (ECT) sensor– Engine Coolant Temperature (ECT) sensor harness is open or shorted– Engine Coolant Temperature (ECT) sensor electrical circuit poor connection When is the obd code mean? The voltage sent to Engine Control Module (ECM) from the Engine Coolant…
Tag: HONDA
P2652 HONDA Rocker Arm Oil Pressure Switch B Circuit High Voltage
Possible causes – Low engine oil level – Faulty Rocker Arm Oil Control Solenoid – Faulty EOP (Engine Oil Pressure) sensor – Incorrect oil type used – Engine mechanical condition Tech description The most common problem that can set the P2652 code is the engine oil. Before replacing any parts change the engine oil with…
P1259 HONDA VTEC System Malfunction
Possible causes – Low engine oil pressure or level– Open or short circuit condition– Faulty VTEC oil pressure switch– Faulty VTEC solenoid When is the obd code mean? The P1259 is set when there is a problem in the VTEC Oil Pressure Switch circuit or VTEC Solenoid Valve circuit Symptoms – Engine Light ON (or…
P0522 HONDA 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 When is the obd code mean? The P0522 is detected when the signal sent from oil pressure sensor to PCM goes below specifications. Symptoms – Engine…
P0523 HONDA 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 When is the obd code mean? The P0523 is detected when the signal sent from oil pressure sensor to PCM goes above specifications. Symptoms – Engine…
P0193 HONDA Fuel Rail Pressure Sensor High Voltage
Possible causes – Low or no fuel– Faulty Fuel Rail Pressure Sensor– Fuel Rail Pressure Sensor harness is open or shorted– Fuel Rail Pressure Sensor circuit poor electrical connection– Faulty Fuel Pump Symptoms – Engine Light ON (or Service Engine Soon Warning Light)– Engine will not start P0193 HONDA OBD Code Description The Fuel Rail…
P0171 HONDA Fuel Injection System Too Lean Bank 1
Possible causes – Intake air leaks– Faulty front heated oxygen sensor– Ignition misfiring– Faulty fuel injectors– Exhaust gas leaks– Incorrect fuel pressure– Lack of fuel– Faulty Mass Air Flow (MAF) sensor– Incorrect Positive Crankcase Ventilation (PCV) hose connection Tech description If the P0171 is combined with the P0174 code, it’s very likely that the problem…
P0128 HONDA Coolant System Malfunction
Possible causes – Leaking or stuck open thermostat– Low engine coolant level– Insufficient warm up time– Faulty engine coolant temperature sensor– Engine coolant temperature sensor harness is open or shorted– Engine coolant temperature sensor circuit poor electrical connection Tech description If cooling system is not leaking and the fluid level is OK, replacing the thermostat…
P0603 HONDA ECM Internal Keep Alive Memory Error
Possible causes – Loose or poor battery terminal connection– Low battery charge– ECM power supply circuit is open or shorted– ECM Programing– Faulty ECM Tech description Start by charging the vehicles battery and clean terminal, once the battery is charged and the terminals are clean and secure, erase code. If the code comes back ON…
P0562 HONDA 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. When is the obd code mean? The Engine Control Module (ECM) has detected that the electrical system voltage level is out of range. Symptoms…