P1253 ACURA VTEC System Malfunction

Possible causes – Engine oil level low– Low engine oil pressure– Blocked oil passage– Faulty VCT oil control valve Tech description If the P1253 is present, start by checking the engine oil level and condition. Change engine oil and filter if necessary with factory recommended oil weight. Symptoms – Engine Light ON (or Service Engine…

P0406 ACURA Exhaust Gas Recirculation Valve Position Sensor Circuit High Voltage

Possible causes – EGR Valve clogged, dirty or leaky– EGR valve damaged/defective– EGR volume control solenoid valve– EGR temperature sensor and circuit– EGR volume control solenoid valve harness is open or shorted– EGR volume control solenoid valve circuit poor electrical connection When is the obd code mean? An improper voltage signal is sent to ECM…

P0404 ACURA Exhaust Gas Recirculation Valve Circuit Range/Performance

Possible causes – EGR volume control solenoid valve– EGR volume control solenoid valve harness is open or shorted– EGR volume control solenoid valve circuit poor electrical connection– EGR temperature sensor and circuit When is the obd code mean? An improper voltage signal is sent to ECM through the valve Symptoms – Engine Light ON (or…

P0606 ACURA ECM Processor Failure

Possible causes – Engine Control Module (ECM) Harness power supply circuit is open or shorted– Engine Control Module (ECM) Programming– Faulty Engine Control Module (ECM) Tech description Check the ECM fuse, if fuse is OK try erasing the code first and if the code comes back you may have to reprogram or replaced the ECM….

P2227 ACURA Barometric Pressure Sensor Range/Performance Problem

Possible causes – Engine Control Module (ECM) outdated or incorrect software – Faulty Engine Control Module (ECM) Symptoms – Engine Light ON (or Service Engine Soon Warning Light) – Engine rough idle – Engine hesitation P2227 ACURA OBD Code Description The Barometric Pressure (BARO) sensor is inside the Engine Control Module (ECM). The BARO sensor…

P2648 ACURA VTEC Solenoid Valve Circuit Low Voltage

Possible causes – Check engine oil level and pressure– Faulty VTEC Solenoid Valve– VTEC Solenoid Valve harness is open or shorted– VTEC Solenoid Valve circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P2648 ACURA OBD Code Description The VTEC system activates the rocker arm oil control solenoid (VTEC…

P2649 ACURA VTEC Solenoid Valve Circuit High Voltage

Possible causes – Check engine oil level and pressure– Faulty VTEC Solenoid Valve– VTEC Solenoid Valve harness is open or shorted– VTEC Solenoid Valve circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P2649 ACURA OBD Code Description The VTEC system activates the rocker arm oil control solenoid (VTEC…

P1768 ACURA A/T Clutch Pressure Control Solenoid Valve Circuit

Possible causes – Clutch Pressure Control Solenoid Valve harness is open or shorted– Clutch Pressure Control Solenoid Valve circuit poor electrical connection– Faulty Clutch Pressure Control Solenoid Valve Tech description The Clutch Pressure Control Solenoid Valve is located inside the transmission. Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1768 ACURA OBD…

P1382 ACURA Cylinder Position Sensor 1 No Signal

Possible causes – Cylinder Position Sensor harness is open or shorted– Cylinder Position Sensor circuit poor electrical connection– Faulty Cylinder Position Sensor Tech description The Cylinder Position (CYP) Sensor, Crankshaft Position Sensor (CKP) and Top Dead Center (TDC) Sensor are all built into the distributor. When is the obd code mean? If no cylinder position…

P0457 ACURA EVAP System Leak Detected/Fuel Fill Cap Loose Or Missing

Possible causes – Damaged, missing or loosely installed fuel filler cap Tech description Check for a loose, missing or damage fuel filler the cap. When is the obd code mean? EVAP control system has a very large leak such as fuel filler cap fell off Symptoms – Engine Light ON (or Service Engine Soon Warning…