Chevrolet Volt engine light remains on without resolution on Chevrolet Volt

Some Chevrolet Volt owners report experiencing persistent check engine light issues, which can be attributed to several common causes such as a loose gas cap, a malfunctioning oxygen sensor, failing spark plugs, problems with the catalytic converter, or a faulty mass airflow sensor. To address the check engine light, some owners suggest using an onboard diagnostics (OBD) scanner to read trouble codes and reset the light. Additionally, contacting OnStar for an on-demand diagnostic may help, especially if there are concerns about the gas engine starting or battery warning indicators on the dashboard. Other reported issues include fogging windows in winter, transmission not recognizing park mode, steering wheel vibrations at highway speeds, charge door malfunctions, and difficulties charging at level 2 chargers. Specific diagnostic trouble codes related to the check engine light include P1E00 and P1E69, which pertain to electrical system and hybrid battery issues. Furthermore, a flashing check engine light may signal a misfire condition linked to the Fuel Management System. It is advisable for owners to consider these factors and take appropriate steps to resolve the check engine light concerns in their Chevrolet Volt.