Is your Acura’s check engine light illuminating your dashboard? Don’t panic. Your Acura is equipped with an On-Board Diagnostic (OBD-II) system that helps pinpoint the issue. This system generates specific Acura Obd2 Scanner Codes that provide valuable insights into the problem. Understanding these codes can empower you to address minor issues or, at the very least, have an informed conversation with your mechanic.
Common Acura OBD2 Scanner Codes and Their Meanings
Below is a table outlining some frequent Acura OBD2 codes and their potential causes. Keep in mind that this is not an exhaustive list, and a proper diagnosis should always be performed by a qualified technician using an Acura OBD2 scanner.
| Code | Potential Problems |
|---|---|
| P0010 | Powertrain Control Module (PCM) failure, Variable valve timing actuator malfunction, Wiring problems |
| P0011 | Camshaft variable timing solenoid issues, Low engine oil, Incorrect engine timing, Incorrect engine oil viscosity, Variable valve timing actuator malfunction, Worn timing chain |
| P0101 | Large vacuum leaks, Damaged intake air boot or PCV hose, Faulty intake manifold gaskets, Mass Airflow Sensor (MAF) problems, MAF sensor circuit issues, Faulty Barometric Pressure Sensor, Contaminated MAF sensor wire or filament, Outdated PCM software |
| P0128 | Faulty engine thermostat, Faulty Engine Coolant Temperature Sensor, Faulty Intake Air Temperature Sensor, Cooling system issues, Low engine coolant, Contaminated engine coolant, Malfunctioning engine cooling fan(s) |
| P0135 | Faulty Oxygen Sensor/Air Fuel Ratio Sensor, Faulty Oxygen Sensor heater circuit, Exhaust leaks, Intake air leaks, Low fuel pressure, Faulty Engine Coolant Temperature Sensor, Sensor wiring/circuit problems, Outdated PCM software, Faulty PCM |
| P0300 | Worn spark plugs, Faulty ignition wires, Faulty ignition coil(s), Faulty distributor cap and rotor, Incorrect ignition timing, Vacuum leaks, Low fuel pressure, Malfunctioning EGR system, Faulty MAF sensor, Faulty Crankshaft/Camshaft sensor, Faulty Throttle Position Sensor, Mechanical engine problems (low compression, leaking head gasket) |
| P0401 | Restricted EGR passages (carbon buildup), Faulty EGR valve, Insufficient vacuum or electrical signal to EGR valve, Malfunctioning EGR Vacuum supply solenoid, Faulty EGR system feedback from MAP, DPFE, EVP, or EGR Temperature Sensor |
| P0420 | Inefficient catalytic converter(s), Faulty oxygen sensor(s), Engine misfires |
| P0440 | Missing or faulty fuel cap, Damaged fuel tank filler neck, Damaged evaporative system hoses, Faulty fuel tank sending unit gasket/seal, Damaged carbon canister, Faulty evaporative vent valve/purge valve, Damaged fuel tank |
| Code | Potential Problems |
|---|---|
| P0700 | Faulty shift solenoids, Faulty Engine Coolant Temperature Sensor, Faulty valve body, Dirty transmission fluid |
| P2181 | Engine coolant heater failure, Low engine coolant, Thermostat failure |
| U0100 | Faulty PCM, PCM circuit problems, CAN bus problems |
Acura-Specific OBD2 Codes and Professional Diagnosis
The codes listed above represent a fraction of the possible Acura OBD2 codes. Codes beginning with “P1” are specific to Acura vehicles. These, along with any code you can’t find information on, require diagnosis by a certified Acura technician. They possess specialized knowledge and access to advanced Acura OBD2 scan tools and diagnostic equipment, ensuring accurate repairs that meet Acura’s standards.
Need Help with Your Acura OBD2 Codes?
If you’re experiencing car trouble and need assistance interpreting your Acura OBD2 scanner codes, consult a qualified professional. A proper diagnosis is crucial for effective repairs. Contact a trusted Acura service center or mechanic for expert assistance and ensure your Acura receives the care it deserves.
