Category Archives: OBD OBDII Error Codes

OBD OBDII Error Codes

What is a P0443 OBDII Engine Code?

If your engine light comes on and using an OBDII scan tool, you get a P0443 code; it can be diagnosed and fixed in several steps. A P0443 OBDII engine code means the computer sees a malfunction with the EVAP (Evaporative Emission) Control System Purge Valve Circuit. The EVAP system sends fumes from the gas… Read More »

What is a Honda P1399 OBDII Engine Code?

If you own a Honda and get an OBDII code P1399, it is a notorious error for “Random Cylinder Misfire Detected.” It is an OBDII code specific to Honda vehicles including the Accord, CRV, Odyssey, Civic, and more. The most common fix is a bad injector or spark plug wire, but it can also be… Read More »

8 Causes and Fixes for P2181 Code Dodge

If you have a Dodge with a P2181 OBDII code, there is a problem with the coolant temperature. The onboard computer (ECM/PCM) is seeing a temperature out of range problem with the engine. What is a Dodge P2181 OBDII Code? A P2181 OBDII code is a “Cooling System Performance ” error. When the onboard computer… Read More »

4 Causes and Fixes P0017 Error Code GMC Acadia

If you have a GMC Acadia with a P0017 OBDII error code, there is a problem with the timing. An OBDII scan tool will give the error P0017 Crankshaft Position (CKP) – Exhaust Camshaft Position (CMP) Correlation Bank 1. Several failed components can cause a P0017 OBDII error code with the GMC Acadia, including sensors… Read More »

Causes and Fixes P0053 OBDII Engine Code

If you have a vehicle with a P0053 error code, the onboard computer (ECM) is seeing a problem with an oxygen sensor. The official definition is “Heated O2 Sensor (HO2S) Heater Resistance (Bank 1, Sensor 1).” There are usually four oxygen sensors on a V6 or V8 engine and two on a four-cylinder engine. What… Read More »

Causes and Fixes P0430 Jeep Wrangler

If you have a Jeep Wrangler and are getting a P0430 error code, there is a problem with a catalytic converter not operating to efficiency. The official definition is a “PO430: Catalyst System Efficiency Below Threshold (Bank 2)“. Several things can cause this error, including Oxygen Sensor, Exhaust Leak, and Catalytic Converter. Since the Catalytic… Read More »