Category Archives: OBD OBDII Error Codes

OBD OBDII Error Codes

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 »

3 Causes and Fixes Jeep P0456 Code

A Jeep with a P0456 error code points to a problem with the EVAP system. The EVAP system is a part of the emissions which help to stop gas vapors from venting into the atmosphere. What is a P0456 Jeep Code? A Jeep P0456 OBDII error code is a Small Leak Detected in the EVAP… Read More »